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From: <hag...@us...> - 2006-12-14 10:17:18
|
Revision: 2919
http://jnode.svn.sourceforge.net/jnode/?rev=2919&view=rev
Author: hagar-wize
Date: 2006-12-14 02:17:15 -0800 (Thu, 14 Dec 2006)
Log Message:
-----------
Classpath patches
Modified Paths:
--------------
trunk/core/src/classpath/gnu/gnu/java/net/PlainDatagramSocketImpl.java
trunk/core/src/classpath/gnu/gnu/java/net/PlainSocketImpl.java
trunk/core/src/classpath/gnu/gnu/java/nio/charset/ISO_8859_1.java
trunk/core/src/classpath/gnu/gnu/java/nio/charset/US_ASCII.java
trunk/core/src/classpath/gnu/gnu/java/nio/charset/iconv/IconvEncoder.java
Modified: trunk/core/src/classpath/gnu/gnu/java/net/PlainDatagramSocketImpl.java
===================================================================
--- trunk/core/src/classpath/gnu/gnu/java/net/PlainDatagramSocketImpl.java 2006-12-14 10:15:31 UTC (rev 2918)
+++ trunk/core/src/classpath/gnu/gnu/java/net/PlainDatagramSocketImpl.java 2006-12-14 10:17:15 UTC (rev 2919)
@@ -1,5 +1,5 @@
/* PlainDatagramSocketImpl.java -- Default DatagramSocket implementation
- Copyright (C) 1998, 1999, 2001, 2003, 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1998, 1999, 2001, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of GNU Classpath.
@@ -38,7 +38,10 @@
package gnu.java.net;
+import gnu.java.nio.VMChannel;
+
import java.io.IOException;
+import java.io.InterruptedIOException;
import java.net.DatagramPacket;
import java.net.DatagramSocketImpl;
import java.net.InetAddress;
@@ -46,8 +49,8 @@
import java.net.NetworkInterface;
import java.net.SocketAddress;
import java.net.SocketException;
-import java.net.SocketOptions;
-import gnu.classpath.Configuration;
+import java.net.SocketTimeoutException;
+import java.nio.ByteBuffer;
/**
* Written using on-line Java Platform 1.2 API Specification, as well
@@ -65,17 +68,12 @@
*/
public final class PlainDatagramSocketImpl extends DatagramSocketImpl
{
- // @vm-specific removed System.loadLibrary
-
+ private final VMChannel channel;
+
/**
- * Option id for the IP_TTL (time to live) value.
+ * The platform-specific socket implementation.
*/
- private static final int IP_TTL = 0x1E61; // 7777
-
- /**
- * This is the actual underlying file descriptor
- */
- int native_fd = -1;
+ private final VMPlainSocketImpl impl;
/**
* Lock object to serialize threads wanting to receive
@@ -90,24 +88,26 @@
/**
* Default do nothing constructor
*/
- public PlainDatagramSocketImpl()
+ public PlainDatagramSocketImpl() throws IOException
{
+ channel = new VMChannel();
+ impl = new VMPlainSocketImpl(channel);
}
- protected void finalize() throws Throwable
+ /*protected void finalize() throws Throwable
{
synchronized (this)
{
- if (native_fd != -1)
+ if (channel.getState().isValid())
close();
}
super.finalize();
- }
+ }*/
- public int getNativeFD()
+ /*public int getNativeFD()
{
return native_fd;
- }
+ }*/
/**
* Binds this socket to a particular port and interface
@@ -120,9 +120,20 @@
protected synchronized void bind(int port, InetAddress addr)
throws SocketException
{
- // @vm-specific no natives
- //TODO implement me
- throw new SocketException("Not implemented");
+ try
+ {
+ impl.bind(new InetSocketAddress(addr, port));
+ }
+ catch (SocketException se)
+ {
+ throw se;
+ }
+ catch (IOException ioe)
+ {
+ SocketException se = new SocketException();
+ se.initCause(ioe);
+ throw se;
+ }
}
/**
@@ -130,13 +141,58 @@
*
* @exception SocketException If an error occurs
*/
- protected synchronized void create() throws SocketException {
- // @vm-specific no natives
- //TODO implement me
- throw new SocketException("Not implemented");
+ protected synchronized void create() throws SocketException
+ {
+ try
+ {
+ channel.initSocket(false);
+ }
+ catch (SocketException se)
+ {
+ throw se;
+ }
+ catch (IOException ioe)
+ {
+ SocketException se = new SocketException();
+ se.initCause(ioe);
+ throw se;
+ }
}
/**
+ * Connects to the remote address and port specified as arguments.
+ *
+ * @param addr The remote address to connect to
+ * @param port The remote port to connect to
+ *
+ * @exception SocketException If an error occurs
+ */
+ protected void connect(InetAddress addr, int port) throws SocketException
+ {
+ channel.connect(new InetSocketAddress(addr, port), 0);
+ }
+
+ /**
+ * Disconnects the socket.
+ *
+ * @since 1.4
+ */
+ protected void disconnect()
+ {
+ synchronized (this)
+ {
+ try
+ {
+ if (channel.getState().isValid())
+ channel.disconnect();
+ }
+ catch (IOException ioe)
+ {
+ }
+ }
+ }
+
+ /**
* Sets the Time to Live value for the socket
*
* @param ttl The new TTL value
@@ -145,7 +201,7 @@
*/
protected synchronized void setTimeToLive(int ttl) throws IOException
{
- setOption(IP_TTL, new Integer(ttl));
+ impl.setTimeToLive(ttl);
}
/**
@@ -157,48 +213,60 @@
*/
protected synchronized int getTimeToLive() throws IOException
{
- Object obj = getOption(IP_TTL);
+ return impl.getTimeToLive();
+ }
- if (! (obj instanceof Integer))
- throw new IOException("Internal Error");
+ protected int getLocalPort()
+ {
+ if (channel == null)
+ return -1;
- return ((Integer) obj).intValue();
+ try
+ {
+ InetSocketAddress local = channel.getLocalAddress();
+ if (local == null)
+ return -1;
+ return local.getPort();
+ }
+ catch (IOException ioe)
+ {
+ return -1;
+ }
}
/**
* Sends a packet of data to a remote host
*
- * @param addr The address to send to
- * @param port The port to send to
- * @param buf The buffer to send
- * @param offset The offset of the data in the buffer to send
- * @param len The length of the data to send
- *
- * @exception IOException If an error occurs
- */
- private void sendto (InetAddress addr, int port,
- byte[] buf, int offset, int len)
- throws IOException {
- // @vm-specific no natives
- //TODO implement me
- throw new SocketException("Not implemented");
- }
-
- /**
- * Sends a packet of data to a remote host
- *
* @param packet The packet to send
*
* @exception IOException If an error occurs
*/
protected void send(DatagramPacket packet) throws IOException
{
- synchronized(SEND_LOCK)
+ synchronized (SEND_LOCK)
{
- sendto(packet.getAddress(), packet.getPort(), packet.getData(),
- packet.getOffset(), packet.getLength());
+ ByteBuffer buf = ByteBuffer.wrap(packet.getData(),
+ packet.getOffset(),
+ packet.getLength());
+ InetAddress remote = packet.getAddress();
+ int port = packet.getPort();
+ if (remote == null)
+ throw new NullPointerException();
+ if (port <= 0)
+ throw new SocketException("invalid port " + port);
+ while (true)
+ {
+ try
+ {
+ channel.send(buf, new InetSocketAddress(remote, port));
+ break;
+ }
+ catch (InterruptedIOException ioe)
+ {
+ // Ignore; interrupted system call.
+ }
+ }
}
-
}
/**
@@ -211,63 +279,123 @@
protected void receive(DatagramPacket packet)
throws IOException
{
- synchronized(RECEIVE_LOCK)
- {
- receive0(packet);
- }
+ synchronized(RECEIVE_LOCK)
+ {
+ ByteBuffer buf = ByteBuffer.wrap(packet.getData(),
+ packet.getOffset(),
+ packet.getLength());
+ SocketAddress addr = null;
+ while (true)
+ {
+ try
+ {
+ addr = channel.receive(buf);
+ break;
+ }
+ catch (SocketTimeoutException ste)
+ {
+ throw ste;
+ }
+ catch (InterruptedIOException iioe)
+ {
+ // Ignore. Loop.
+ }
+ }
+ if (addr != null)
+ packet.setSocketAddress(addr);
+ packet.setLength(buf.position() - packet.getOffset());
+ }
}
- /**
- * Native call to receive a UDP packet from the network
- *
- * @param packet The packet to fill in with the data received
- *
- * @exception IOException IOException If an error occurs
- */
- private void receive0(DatagramPacket packet) throws IOException {
- // @vm-specific no natives
- //TODO implement me
- throw new SocketException("Not implemented");
- }
/**
* Sets the value of an option on the socket
*
- * @param option_id The identifier of the option to set
- * @param val The value of the option to set
+ * @param optionId The identifier of the option to set
+ * @param value The value of the option to set
*
* @exception SocketException If an error occurs
*/
- public synchronized void setOption(int option_id, Object val)
- throws SocketException {
- // @vm-specific no natives
- //TODO implement me
- throw new SocketException("Not implemented");
+ public synchronized void setOption(int optionId, Object value)
+ throws SocketException
+ {
+ switch (optionId)
+ {
+ case IP_MULTICAST_IF:
+ case IP_MULTICAST_IF2:
+ impl.setMulticastInterface(optionId, (InetAddress) value);
+ break;
+
+ case IP_MULTICAST_LOOP:
+ case SO_BROADCAST:
+ case SO_KEEPALIVE:
+ case SO_OOBINLINE:
+ case TCP_NODELAY:
+ case IP_TOS:
+ case SO_LINGER:
+ case SO_RCVBUF:
+ case SO_SNDBUF:
+ case SO_TIMEOUT:
+ case SO_REUSEADDR:
+ impl.setOption(optionId, value);
+ return;
+
+ default:
+ throw new SocketException("cannot set option " + optionId);
+ }
}
/**
* Retrieves the value of an option on the socket
*
- * @param option_id The identifier of the option to retrieve
+ * @param optionId The identifier of the option to retrieve
*
* @return The value of the option
*
* @exception SocketException If an error occurs
*/
- public synchronized Object getOption(int option_id)
- throws SocketException {
- // @vm-specific no natives
- //TODO implement me
- throw new SocketException("Not implemented");
+ public synchronized Object getOption(int optionId)
+ throws SocketException
+ {
+ if (optionId == SO_BINDADDR)
+ {
+ try
+ {
+ InetSocketAddress local = channel.getLocalAddress();
+ if (local == null)
+ return null;
+ return local.getAddress();
+ }
+ catch (SocketException se)
+ {
+ throw se;
+ }
+ catch (IOException ioe)
+ {
+ SocketException se = new SocketException();
+ se.initCause(ioe);
+ throw se;
+ }
+ }
+ if (optionId == IP_MULTICAST_IF || optionId == IP_MULTICAST_IF2)
+ return impl.getMulticastInterface(optionId);
+
+ return impl.getOption(optionId);
}
/**
* Closes the socket
*/
- protected synchronized void close() {
- // @vm-specific no natives
- //TODO implement me
- throw new RuntimeException("Not implemented");
+ protected synchronized void close()
+ {
+ try
+ {
+ if (channel.getState().isValid())
+ channel.close();
+ }
+ catch (IOException ioe)
+ {
+ }
}
/**
@@ -305,9 +433,9 @@
*
* @exception IOException If an error occurs
*/
- protected synchronized void join(InetAddress addr) throws IOException {
- // @vm-specific no natives
- throw new SocketException("Not implemented");
+ protected synchronized void join(InetAddress addr) throws IOException
+ {
+ impl.join(addr);
}
/**
@@ -317,10 +445,9 @@
*
* @exception IOException If an error occurs
*/
- protected synchronized void leave(InetAddress addr) throws IOException {
- // @vm-specific no natives
- //TODO implement me
- throw new SocketException("Not implemented");
+ protected synchronized void leave(InetAddress addr) throws IOException
+ {
+ impl.leave(addr);
}
/**
@@ -338,14 +465,22 @@
}
public void joinGroup(SocketAddress address, NetworkInterface netIf)
+ throws IOException
{
- throw new InternalError
- ("PlainDatagramSocketImpl::joinGroup is not implemented");
+ if (address == null)
+ throw new NullPointerException();
+ if (!(address instanceof InetSocketAddress))
+ throw new SocketException("unknown address type");
+ impl.joinGroup((InetSocketAddress) address, netIf);
}
public void leaveGroup(SocketAddress address, NetworkInterface netIf)
+ throws IOException
{
- throw new InternalError
- ("PlainDatagramSocketImpl::leaveGroup is not implemented");
+ if (address == null)
+ throw new NullPointerException();
+ if (!(address instanceof InetSocketAddress))
+ throw new SocketException("unknown address type");
+ impl.leaveGroup((InetSocketAddress) address, netIf);
}
}
Modified: trunk/core/src/classpath/gnu/gnu/java/net/PlainSocketImpl.java
===================================================================
--- trunk/core/src/classpath/gnu/gnu/java/net/PlainSocketImpl.java 2006-12-14 10:15:31 UTC (rev 2918)
+++ trunk/core/src/classpath/gnu/gnu/java/net/PlainSocketImpl.java 2006-12-14 10:17:15 UTC (rev 2919)
@@ -39,16 +39,20 @@
package gnu.java.net;
+import gnu.java.nio.SocketChannelImpl;
+import gnu.java.nio.VMChannel;
+
import java.io.InputStream;
import java.io.IOException;
+import java.io.InterruptedIOException;
import java.io.OutputStream;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.net.SocketException;
import java.net.SocketImpl;
-import java.net.SocketOptions;
-import gnu.classpath.Configuration;
+import java.net.SocketTimeoutException;
+import java.nio.ByteBuffer;
/**
* Written using on-line Java Platform 1.2 API Specification, as well
@@ -66,25 +70,13 @@
* @author Nic Ferrier (nfe...@ta...)
* @author Aaron M. Renn (ar...@ur...)
*/
-public final class PlainSocketImpl extends SocketImpl
+public class PlainSocketImpl extends SocketImpl
{
- // Static initializer to load native library.
- static
- {
- if (Configuration.INIT_LOAD_LIBRARY)
- {
- System.loadLibrary("javanet");
- }
- }
/**
- * The OS file handle representing the socket.
- * This is used for reads and writes to/from the socket and
- * to close it.
- *
- * When the socket is closed this is reset to -1.
+ * The underlying plain socket VM implementation.
*/
- int native_fd = -1;
+ protected VMPlainSocketImpl impl;
/**
* A cached copy of the in stream for reading from the socket.
@@ -101,8 +93,14 @@
* is being invoked on this socket.
*/
private boolean inChannelOperation;
-
+
/**
+ * The socket channel we use for IO operation. Package-private for
+ * use by inner classes.
+ */
+ SocketChannelImpl channel;
+
+ /**
* Indicates whether we should ignore whether any associated
* channel is set to non-blocking mode. Certain operations
* throw an <code>IllegalBlockingModeException</code> if the
@@ -124,48 +122,44 @@
}
/**
- * Default do nothing constructor
+ * Default do nothing constructor.
*/
public PlainSocketImpl()
{
+ this.impl = new VMPlainSocketImpl();
}
-
- protected void finalize() throws Throwable
- {
- synchronized (this)
- {
- if (native_fd != -1)
- try
- {
- close();
- }
- catch (IOException ex)
- {
- }
- }
- super.finalize();
- }
- public int getNativeFD()
- {
- return native_fd;
- }
-
/**
* Sets the specified option on a socket to the passed in object. For
* options that take an integer argument, the passed in object is an
* Integer. The option_id parameter is one of the defined constants in
* this interface.
*
- * @param option_id The identifier of the option
- * @param val The value to set the option to
+ * @param optionId The identifier of the option
+ * @param value The value to set the option to
*
- * @exception SocketException If an error occurs
+ * @throws SocketException if an error occurs
*/
- public void setOption(int optID, Object value) throws SocketException {
- // @vm-specific no natives
- //TODO implement me
- throw new SocketException("Not implemented");
+ public void setOption(int optionId, Object value) throws SocketException
+ {
+ switch (optionId)
+ {
+ case SO_LINGER:
+ case IP_MULTICAST_LOOP:
+ case SO_BROADCAST:
+ case SO_KEEPALIVE:
+ case SO_OOBINLINE:
+ case TCP_NODELAY:
+ case IP_TOS:
+ case SO_RCVBUF:
+ case SO_SNDBUF:
+ case SO_TIMEOUT:
+ case SO_REUSEADDR:
+ impl.setOption(optionId, value);
+ return;
+ default:
+ throw new SocketException("Unrecognized TCP option: " + optionId);
+ }
}
/**
@@ -173,133 +167,144 @@
* will be an Integer for options that have integer values. The option_id
* is one of the defined constants in this interface.
*
- * @param option_id The option identifier
+ * @param optionId the option identifier
*
- * @return The current value of the option
+ * @return the current value of the option
*
- * @exception SocketException If an error occurs
+ * @throws SocketException if an error occurs
*/
- public Object getOption(int optID) throws SocketException {
- // @vm-specific no natives
- //TODO implement me
- throw new SocketException("Not implemented");
+ public Object getOption(int optionId) throws SocketException
+ {
+ if (optionId == SO_BINDADDR)
+ {
+ try
+ {
+ return channel.getVMChannel().getLocalAddress().getAddress();
+ }
+ catch (IOException ioe)
+ {
+ SocketException se = new SocketException();
+ se.initCause(ioe);
+ throw se;
+ }
+ }
+
+ // This filters options which are invalid for TCP.
+ switch (optionId)
+ {
+ case SO_LINGER:
+ case IP_MULTICAST_LOOP:
+ case SO_BROADCAST:
+ case SO_KEEPALIVE:
+ case SO_OOBINLINE:
+ case TCP_NODELAY:
+ case IP_TOS:
+ case SO_RCVBUF:
+ case SO_SNDBUF:
+ case SO_TIMEOUT:
+ case SO_REUSEADDR:
+ return impl.getOption(optionId);
+ default:
+ throw new SocketException("Unrecognized TCP option: " + optionId);
+ }
+
}
- /**
- * Flushes the input stream and closes it. If you read from the input stream
- * after calling this method a <code>IOException</code> will be thrown.
- *
- * @throws IOException if an error occurs
- */
- public void shutdownInput()
+ public void shutdownInput() throws IOException
{
- // @vm-specific no natives
- //TODO implement me
- throw new InternalError ("PlainSocketImpl::shutdownInput not implemented");
+ impl.shutdownInput();
}
- /**
- * Flushes the output stream and closes it. If you write to the output stream
- * after calling this method a <code>IOException</code> will be thrown.
- *
- * @throws IOException if an error occurs
- */
public void shutdownOutput() throws IOException
{
- // @vm-specific no natives
- //TODO implement me
- throw new InternalError ("PlainSocketImpl::shutdownOutput not implemented");
+ impl.shutdownOutput();
}
/**
* Creates a new socket that is not bound to any local address/port and
- * is not connected to any remote address/port. This will be created as
- * a stream socket if the stream parameter is true, or a datagram socket
- * if the stream parameter is false.
+ * is not connected to any remote address/port. The stream parameter will be
+ * ignored since PlainSocketImpl always is a stream socket. Datagram sockets
+ * are handled by PlainDatagramSocketImpl.
*
- * @param stream true for a stream socket, false for a datagram socket
+ * @param stream <code>true</code> for stream sockets, <code>false</code> for
+ * datagram sockets
*/
- protected synchronized void create(boolean stream) throws IOException {
- // @vm-specific no natives
- //TODO implement me
- throw new SocketException("Not implemented");
+ protected synchronized void create(boolean stream) throws IOException
+ {
+ channel = new SocketChannelImpl(false);
+ VMChannel vmchannel = channel.getVMChannel();
+ vmchannel.initSocket(stream);
+ channel.configureBlocking(true);
+ impl.getState().setChannelFD(vmchannel.getState());
}
/**
* Connects to the remote hostname and port specified as arguments.
*
- * @param hostname The remote hostname to connect to
- * @param port The remote port to connect to
+ * @param hostname the remote hostname to connect to
+ * @param port the remote port to connect to
*
- * @exception IOException If an error occurs
+ * @throws IOException If an error occurs
*/
- protected synchronized void connect(String host, int port) throws IOException
+ protected synchronized void connect(String hostname, int port)
+ throws IOException
{
- connect(InetAddress.getByName(host), port);
+ connect(InetAddress.getByName(hostname), port);
}
/**
* Connects to the remote address and port specified as arguments.
*
- * @param addr The remote address to connect to
- * @param port The remote port to connect to
+ * @param addr the remote address to connect to
+ * @param port the remote port to connect to
*
- * @exception IOException If an error occurs
+ * @throws IOException If an error occurs
*/
- protected void connect(InetAddress addr, int port) throws IOException {
- // @vm-specific no natives
- //TODO implement me
- throw new SocketException("Not implemented");
+ protected void connect(InetAddress addr, int port) throws IOException
+ {
+ connect(new InetSocketAddress(addr, port), 0);
}
/**
* Connects to the remote socket address with a specified timeout.
*
- * @param timeout The timeout to use for this connect, 0 means infinite.
+ * @param address the remote address to connect to
+ * @param timeout the timeout to use for this connect, 0 means infinite.
*
- * @exception IOException If an error occurs
+ * @throws IOException If an error occurs
*/
- protected synchronized void connect(SocketAddress address, int timeout) throws IOException
+ protected synchronized void connect(SocketAddress address, int timeout)
+ throws IOException
{
- InetSocketAddress sockAddr = (InetSocketAddress) address;
- InetAddress addr = sockAddr.getAddress();
-
- if (addr == null)
- throw new IllegalArgumentException("address is unresolved: " + sockAddr);
-
- int port = sockAddr.getPort();
+ if (channel == null)
+ create(true);
+ boolean connected = channel.connect(address, timeout);
+ if (!connected)
+ throw new SocketTimeoutException("connect timed out");
- if (timeout < 0)
- throw new IllegalArgumentException("negative timeout");
-
- Object oldTimeoutObj = null;
-
- try
- {
- oldTimeoutObj = this.getOption (SocketOptions.SO_TIMEOUT);
- this.setOption (SocketOptions.SO_TIMEOUT, new Integer (timeout));
- connect (addr, port);
- }
- finally
- {
- if (oldTimeoutObj != null)
- this.setOption (SocketOptions.SO_TIMEOUT, oldTimeoutObj);
- }
+ // Using the given SocketAddress is important to preserve
+ // hostnames given by the caller.
+ InetSocketAddress addr = (InetSocketAddress) address;
+ this.address = addr.getAddress();
+ this.port = addr.getPort();
}
/**
* Binds to the specified port on the specified addr. Note that this addr
* must represent a local IP address. **** How bind to INADDR_ANY? ****
*
- * @param addr The address to bind to
- * @param port The port number to bind to
+ * @param addr the address to bind to
+ * @param port the port number to bind to
*
- * @exception IOException If an error occurs
+ * @throws IOException if an error occurs
*/
protected synchronized void bind(InetAddress addr, int port)
- throws IOException {
- // @vm-specific no natives
- throw new SocketException("Not implemented");
+ throws IOException
+ {
+ if (channel == null)
+ create(true);
+ impl.bind(new InetSocketAddress(addr, port));
+ localport = channel.getVMChannel().getLocalAddress().getPort();
}
/**
@@ -310,13 +315,12 @@
*
* @param queuelen The length of the pending connection queue
*
- * @exception IOException If an error occurs
+ * @throws IOException If an error occurs
*/
protected synchronized void listen(int queuelen)
- throws IOException {
- // @vm-specific no natives
- //TODO implement me
- throw new SocketException("Not implemented");
+ throws IOException
+ {
+ impl.listen(queuelen);
}
/**
@@ -326,78 +330,64 @@
* @param impl The SocketImpl object to accept this connection.
*/
protected synchronized void accept(SocketImpl impl)
- throws IOException {
- // @vm-specific no natives
- //TODO implement me
- throw new SocketException("Not implemented");
+ throws IOException
+ {
+ if (channel == null)
+ create(true);
+ if (!(impl instanceof PlainSocketImpl))
+ throw new IOException("incompatible SocketImpl: "
+ + impl.getClass().getName());
+ PlainSocketImpl that = (PlainSocketImpl) impl;
+ VMChannel c = channel.getVMChannel().accept();
+ that.impl.getState().setChannelFD(c.getState());
+ that.channel = new SocketChannelImpl(c);
+ that.setOption(SO_REUSEADDR, Boolean.TRUE);
+ // Reset the inherited timeout.
+ that.setOption(SO_TIMEOUT, Integer.valueOf(0));
+
}
/**
* Returns the number of bytes that the caller can read from this socket
* without blocking.
*
- * @return The number of readable bytes before blocking
+ * @return the number of readable bytes before blocking
*
- * @exception IOException If an error occurs
+ * @throws IOException if an error occurs
*/
- protected int available() throws IOException {
- // @vm-specific no natives
- //TODO implement me
- throw new SocketException("Not implemented");
+ protected int available() throws IOException
+ {
+ if (channel == null)
+ throw new SocketException("not connected");
+ return channel.getVMChannel().available();
}
/**
* Closes the socket. This will cause any InputStream or OutputStream
* objects for this Socket to be closed as well.
+ *
* <p>
* Note that if the SO_LINGER option is set on this socket, then the
* operation could block.
+ * </p>
*
- * @exception IOException If an error occurs
+ * @throws IOException if an error occurs
*/
- protected void close() throws IOException {
- // @vm-specific no natives
- //TODO implement me
- throw new SocketException("Not implemented");
+ protected void close() throws IOException
+ {
+ if (impl.getState().isValid())
+ impl.close();
+
+ address = null;
+ port = -1;
}
- public void sendUrgentData(int data)
+ public void sendUrgentData(int data) throws IOException
{
- throw new InternalError ("PlainSocketImpl::sendUrgentData not implemented");
+ impl.sendUrgentData(data);
}
/**
- * Internal method used by SocketInputStream for reading data from
- * the connection. Reads up to len bytes of data into the buffer
- * buf starting at offset bytes into the buffer.
- *
- * @return The actual number of bytes read or -1 if end of stream.
- *
- * @exception IOException If an error occurs
- */
- protected int read(byte[] buf, int offset, int len)
- throws IOException {
- // @vm-specific no natives
- //TODO implement me
- throw new SocketException("Not implemented");
-
- }
-
- /**
- * Internal method used by SocketOuputStream for writing data to
- * the connection. Writes up to len bytes of data from the buffer
- * buf starting at offset bytes into the buffer.
- *
- * @exception IOException If an error occurs
- */
- protected void write(byte[] buf, int offset, int len)
- throws IOException {
- // @vm-specific no natives
- //TODO implement me
- throw new SocketException("Not implemented");
- }
-
- /**
* Returns an InputStream object for reading from this socket. This will
* be an instance of SocketInputStream.
*
@@ -409,7 +399,7 @@
{
if (in == null)
in = new SocketInputStream();
-
+
return in;
}
@@ -425,15 +415,104 @@
{
if (out == null)
out = new SocketOutputStream();
-
+
return out;
}
+
+ public VMChannel getVMChannel()
+ {
+ if (channel == null)
+ return null;
+ return channel.getVMChannel();
+ }
+ /* (non-Javadoc)
+ * @see java.net.SocketImpl#getInetAddress()
+ */
+ protected InetAddress getInetAddress()
+ {
+ if (channel == null)
+ return null;
+
+ try
+ {
+ InetSocketAddress remote = channel.getVMChannel().getPeerAddress();
+ if (remote == null)
+ return null;
+ // To mimic behavior of the RI the InetAddress instance which was
+ // used to establish the connection is returned instead of one that
+ // was created by the native layer (this preserves exact hostnames).
+ if (address != null)
+ return address;
+
+ return remote.getAddress();
+ }
+ catch (IOException ioe)
+ {
+ return null;
+ }
+ }
+
+ /* (non-Javadoc)
+ * @see java.net.SocketImpl#getLocalPort()
+ */
+ protected int getLocalPort()
+ {
+ if (channel == null)
+ return -1;
+ try
+ {
+ InetSocketAddress local = channel.getVMChannel().getLocalAddress();
+ if (local == null)
+ return -1;
+ return local.getPort();
+ }
+ catch (IOException ioe)
+ {
+ return -1;
+ }
+ }
+
+ public InetSocketAddress getLocalAddress()
+ {
+ if (channel == null)
+ return null;
+ try
+ {
+ return channel.getVMChannel().getLocalAddress();
+ }
+ catch (IOException ioe)
+ {
+ return null;
+ }
+ }
+
+ /* (non-Javadoc)
+ * @see java.net.SocketImpl#getPort()
+ */
+ protected int getPort()
+ {
+ if (channel == null)
+ return -1;
+
+ try
+ {
+ InetSocketAddress remote = channel.getVMChannel().getPeerAddress();
+ if (remote == null)
+ return -1;
+ return remote.getPort();
+ }
+ catch (IOException ioe)
+ {
+ return -1;
+ }
+ }
+
/**
* This class contains an implementation of <code>InputStream</code> for
* sockets. It in an internal only class used by <code>PlainSocketImpl</code>.
*
- * @author Nic Ferrier (nfe...@ta...)
+ * @author Nic Ferrier <nfe...@ta...>
*/
final class SocketInputStream
extends InputStream
@@ -465,13 +544,23 @@
*/
public int read() throws IOException
{
- byte buf[] = new byte [1];
- int bytes_read = read(buf, 0, 1);
-
- if (bytes_read == -1)
- return -1;
-
- return buf[0] & 0xFF;
+ if (channel == null)
+ throw new SocketException("not connected");
+ while (true)
+ {
+ try
+ {
+ return channel.getVMChannel().read();
+ }
+ catch (SocketTimeoutException ste)
+ {
+ throw ste;
+ }
+ catch (InterruptedIOException iioe)
+ {
+ // Ignore; NIO may throw this; net io shouldn't
+ }
+ }
}
/**
@@ -488,12 +577,24 @@
*/
public int read (byte[] buf, int offset, int len) throws IOException
{
- int bytes_read = PlainSocketImpl.this.read (buf, offset, len);
-
- if (bytes_read == 0)
- return -1;
-
- return bytes_read;
+ if (channel == null)
+ throw new SocketException("not connected");
+ ByteBuffer b = ByteBuffer.wrap(buf, offset, len);
+ while (true)
+ {
+ try
+ {
+ return channel.read(b);
+ }
+ catch (SocketTimeoutException ste)
+ {
+ throw ste;
+ }
+ catch (InterruptedIOException iioe)
+ {
+ // Ignored; NIO may throw this; net IO not.
+ }
+ }
}
}
@@ -503,7 +604,7 @@
* <code>getOutputStream method</code>. It expects only to be used in that
* context.
*
- * @author Nic Ferrier (nfe...@ta...)
+ * @author Nic Ferrier <nfe...@ta...>
*/
final class SocketOutputStream
extends OutputStream
@@ -529,8 +630,20 @@
*/
public void write(int b) throws IOException
{
- byte buf[] = { (byte) b };
- write(buf, 0, 1);
+ if (channel == null)
+ throw new SocketException("not connected");
+ while (true)
+ {
+ try
+ {
+ channel.getVMChannel().write(b);
+ return;
+ }
+ catch (InterruptedIOException iioe)
+ {
+ // Ignored.
+ }
+ }
}
/**
@@ -545,7 +658,21 @@
*/
public void write (byte[] buf, int offset, int len) throws IOException
{
- PlainSocketImpl.this.write (buf, offset, len);
+ if (channel == null)
+ throw new SocketException("not connected");
+ ByteBuffer b = ByteBuffer.wrap(buf, offset, len);
+ while (b.hasRemaining())
+ {
+ try
+ {
+ if (channel.write(b) == -1)
+ throw new IOException("channel has been closed");
+ }
+ catch (InterruptedIOException iioe)
+ {
+ // Ignored.
+ }
+ }
}
}
}
Modified: trunk/core/src/classpath/gnu/gnu/java/nio/charset/ISO_8859_1.java
===================================================================
--- trunk/core/src/classpath/gnu/gnu/java/nio/charset/ISO_8859_1.java 2006-12-14 10:15:31 UTC (rev 2918)
+++ trunk/core/src/classpath/gnu/gnu/java/nio/charset/ISO_8859_1.java 2006-12-14 10:17:15 UTC (rev 2919)
@@ -128,6 +128,19 @@
super (cs, 1.0f, 1.0f);
}
+ public boolean canEncode(char c)
+ {
+ return c <= 0xff;
+ }
+
+ public boolean canEncode(CharSequence cs)
+ {
+ for (int i = 0; i < cs.length(); ++i)
+ if (! canEncode(cs.charAt(i)))
+ return false;
+ return true;
+ }
+
protected CoderResult encodeLoop (CharBuffer in, ByteBuffer out)
{
// TODO: Optimize this in the case in.hasArray() / out.hasArray()
Modified: trunk/core/src/classpath/gnu/gnu/java/nio/charset/US_ASCII.java
===================================================================
--- trunk/core/src/classpath/gnu/gnu/java/nio/charset/US_ASCII.java 2006-12-14 10:15:31 UTC (rev 2918)
+++ trunk/core/src/classpath/gnu/gnu/java/nio/charset/US_ASCII.java 2006-12-14 10:17:15 UTC (rev 2919)
@@ -134,6 +134,19 @@
super (cs, 1.0f, 1.0f);
}
+ public boolean canEncode(char c)
+ {
+ return c <= 0x7f;
+ }
+
+ public boolean canEncode(CharSequence cs)
+ {
+ for (int i = 0; i < cs.length(); ++i)
+ if (! canEncode(cs.charAt(i)))
+ return false;
+ return true;
+ }
+
protected CoderResult encodeLoop (CharBuffer in, ByteBuffer out)
{
// TODO: Optimize this in the case in.hasArray() / out.hasArray()
@@ -141,7 +154,7 @@
{
char c = in.get ();
- if (c > Byte.MAX_VALUE)
+ if (c > 0x7f)
{
in.position (in.position () - 1);
return CoderResult.unmappableForLength (1);
Modified: trunk/core/src/classpath/gnu/gnu/java/nio/charset/iconv/IconvEncoder.java
===================================================================
--- trunk/core/src/classpath/gnu/gnu/java/nio/charset/iconv/IconvEncoder.java 2006-12-14 10:15:31 UTC (rev 2918)
+++ trunk/core/src/classpath/gnu/gnu/java/nio/charset/iconv/IconvEncoder.java 2006-12-14 10:17:15 UTC (rev 2919)
@@ -43,7 +43,6 @@
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.charset.Charset;
-import java.nio.charset.CharsetDecoder;
import java.nio.charset.CharsetEncoder;
import java.nio.charset.CoderResult;
This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.
|
|
From: <hag...@us...> - 2006-12-14 10:15:32
|
Revision: 2918
http://jnode.svn.sourceforge.net/jnode/?rev=2918&view=rev
Author: hagar-wize
Date: 2006-12-14 02:15:31 -0800 (Thu, 14 Dec 2006)
Log Message:
-----------
Classpath patches
Modified Paths:
--------------
trunk/core/src/classpath/gnu/gnu/java/nio/charset/iconv/IconvDecoder.java
Modified: trunk/core/src/classpath/gnu/gnu/java/nio/charset/iconv/IconvDecoder.java
===================================================================
--- trunk/core/src/classpath/gnu/gnu/java/nio/charset/iconv/IconvDecoder.java 2006-12-14 10:15:03 UTC (rev 2917)
+++ trunk/core/src/classpath/gnu/gnu/java/nio/charset/iconv/IconvDecoder.java 2006-12-14 10:15:31 UTC (rev 2918)
@@ -44,7 +44,6 @@
import java.nio.CharBuffer;
import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
-import java.nio.charset.CharsetEncoder;
import java.nio.charset.CoderResult;
//todo jnode - native - remove it
This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.
|
|
From: <hag...@us...> - 2006-12-14 10:15:05
|
Revision: 2917
http://jnode.svn.sourceforge.net/jnode/?rev=2917&view=rev
Author: hagar-wize
Date: 2006-12-14 02:15:03 -0800 (Thu, 14 Dec 2006)
Log Message:
-----------
Classpath patches
Modified Paths:
--------------
trunk/core/src/classpath/gnu/gnu/java/nio/charset/ByteCharset.java
Modified: trunk/core/src/classpath/gnu/gnu/java/nio/charset/ByteCharset.java
===================================================================
--- trunk/core/src/classpath/gnu/gnu/java/nio/charset/ByteCharset.java 2006-12-14 10:09:53 UTC (rev 2916)
+++ trunk/core/src/classpath/gnu/gnu/java/nio/charset/ByteCharset.java 2006-12-14 10:15:03 UTC (rev 2917)
@@ -156,6 +156,22 @@
}
}
+ public boolean canEncode(char c)
+ {
+ byte b = (c < lookup.length) ? lookup[c] : 0;
+ return b != 0 || c == 0;
+ }
+
+ public boolean canEncode(CharSequence cs)
+ {
+ for (int i = 0; i < cs.length(); ++i)
+ {
+ if (! canEncode(cs.charAt(i)))
+ return false;
+ }
+ return true;
+ }
+
protected CoderResult encodeLoop (CharBuffer in, ByteBuffer out)
{
// TODO: Optimize this in the case in.hasArray() / out.hasArray()
This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.
|
|
From: <hag...@us...> - 2006-12-14 10:09:54
|
Revision: 2916
http://jnode.svn.sourceforge.net/jnode/?rev=2916&view=rev
Author: hagar-wize
Date: 2006-12-14 02:09:53 -0800 (Thu, 14 Dec 2006)
Log Message:
-----------
Classpath patches
Added Paths:
-----------
trunk/core/src/classpath/vm/java/net/VMPlainDatagramSocketImpl.java
trunk/core/src/classpath/vm/java/net/VMPlainSocketImpl.java
Added: trunk/core/src/classpath/vm/java/net/VMPlainDatagramSocketImpl.java
===================================================================
--- trunk/core/src/classpath/vm/java/net/VMPlainDatagramSocketImpl.java (rev 0)
+++ trunk/core/src/classpath/vm/java/net/VMPlainDatagramSocketImpl.java 2006-12-14 10:09:53 UTC (rev 2916)
@@ -0,0 +1,260 @@
+/* PlainDatagramSocketImpl.java -- VM interface for DatagramSocket impl
+ Copyright (C) 2005 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package gnu.java.net;
+
+import gnu.classpath.Configuration;
+
+import java.io.IOException;
+import java.net.DatagramPacket;
+import java.net.InetAddress;
+import java.net.NetworkInterface;
+import java.net.SocketAddress;
+import java.net.SocketException;
+
+/**
+ * The VM interface for {@link gnu.java.net.PlainDatagramSocketImpl}.
+ *
+ * @author Ingo Proetel (pr...@ai...)
+ * @author Roman Kennke (ke...@ai...)
+ */
+public final class VMPlainDatagramSocketImpl
+{
+ /**
+ * Option id for the IP_TTL (time to live) value.
+ */
+ static final int IP_TTL = 0x1E61; // 7777
+
+
+ // Static initializer to load native library
+ static
+ {
+ if (Configuration.INIT_LOAD_LIBRARY)
+ {
+ System.loadLibrary("javanet");
+ }
+ }
+
+ /**
+ * Binds this socket to a particular port and interface
+ *
+ * @param socket the socket object
+ * @param port the port to bind to
+ * @param addr the address to bind to
+ *
+ * @throws SocketException If an error occurs
+ */
+ static native void bind(PlainDatagramSocketImpl socket, int port,
+ InetAddress addr)
+ throws SocketException;
+
+ /**
+ * Creates a new datagram socket.
+ *
+ * @param socket the socket object
+ *
+ * @throws SocketException If an error occurs
+ */
+ static native void create(PlainDatagramSocketImpl socket)
+ throws SocketException;
+
+ /**
+ * Connects to the remote address and port specified as arguments.
+ *
+ * @param socket the socket object
+ * @param addr the remote address to connect to
+ * @param port the remote port to connect to
+ *
+ * @throws SocketException If an error occurs
+ */
+ static native void connect(PlainDatagramSocketImpl socket, InetAddress addr,
+ int port)
+ throws SocketException;
+
+ /**
+ * Sends a packet of data to a remote host.
+ *
+ * @param socket the socket object
+ * @param packet the packet to send
+ *
+ * @throws IOException If an error occurs
+ */
+ static void send(PlainDatagramSocketImpl socket, DatagramPacket packet)
+ throws IOException
+ {
+ nativeSendTo(socket, packet.getAddress(), packet.getPort(),
+ packet.getData(), packet.getOffset(), packet.getLength());
+ }
+
+
+ /**
+ * Sends a packet of data to a remote host.
+ *
+ * @param socket the socket object
+ * @param addr the address to send to
+ * @param port the port to send to
+ * @param buf the buffer to send
+ * @param offset the offset of the data in the buffer to send
+ * @param len the length of the data to send
+ *
+ * @throws IOException If an error occurs
+ */
+ private static native void nativeSendTo(PlainDatagramSocketImpl socket,
+ InetAddress addr, int port,
+ byte[] buf, int offset, int len)
+ throws IOException;
+
+ /**
+ * Receives a UDP packet from the network
+ *
+ * @param socket the socket object
+ * @param packet the packet to fill in with the data received
+ *
+ * @throws IOException IOException If an error occurs
+ */
+ static void receive(PlainDatagramSocketImpl socket, DatagramPacket packet)
+ throws IOException
+ {
+ byte[] receiveFromAddress = new byte[4];
+ int[] receiveFromPort = new int[1];
+ int[] receivedLength = new int[1];
+
+ nativeReceive(socket, packet.getData(), packet.getOffset(),
+ packet.getLength(),
+ receiveFromAddress, receiveFromPort, receivedLength);
+
+ packet.setAddress(InetAddress.getByAddress(receiveFromAddress));
+ packet.setPort(receiveFromPort[0]);
+ packet.setLength(receivedLength[0]);
+ }
+
+ private static native void nativeReceive(PlainDatagramSocketImpl socket,
+ byte[] buf, int offset, int len,
+ byte[] receiveFromAddress,
+ int[] receiveFromPort,
+ int[] receivedLength)
+ throws IOException;
+
+ /**
+ * Sets the value of an option on the socket
+ *
+ * @param socket the socket object
+ * @param optionId the identifier of the option to set
+ * @param value the value of the option to set
+ *
+ * @exception SocketException If an error occurs
+ */
+ static native void setOption(PlainDatagramSocketImpl socket, int optionId,
+ Object value)
+ throws SocketException;
+
+ /**
+ * Retrieves the value of an option on the socket.
+ *
+ * @param socket the socket object
+ * @param optionId the identifier of the option to retrieve
+ *
+ * @return the value of the option
+ *
+ * @throws SocketException if an error occurs
+ */
+ static native Object getOption(PlainDatagramSocketImpl socket, int optionId)
+ throws SocketException;
+
+ /**
+ * Closes the socket.
+ *
+ * @param socket the socket object
+ */
+ static native void close(PlainDatagramSocketImpl socket);
+
+ /**
+ * Joins a multicast group
+ *
+ * @param addr The group to join
+ *
+ * @exception IOException If an error occurs
+ */
+ static native void join(PlainDatagramSocketImpl socket, InetAddress addr)
+ throws IOException;
+
+ /**
+ * Leaves a multicast group
+ *
+ * @param addr The group to leave
+ *
+ * @exception IOException If an error occurs
+ */
+ static native void leave(PlainDatagramSocketImpl socket, InetAddress addr)
+ throws IOException;
+
+ /**
+ * Joins a multicast group.
+ *
+ * @param socket the socket object
+ * @param address the socket address
+ * @param netIf the network interface
+ *
+ * @throws IOException if I/O errors occur
+ */
+ static void joinGroup(PlainDatagramSocketImpl socket, SocketAddress address,
+ NetworkInterface netIf)
+ throws IOException
+ {
+ throw new InternalError
+ ("PlainDatagramSocketImpl::joinGroup is not implemented");
+ }
+
+ /**
+ * Leaves a multicast group.
+ *
+ * @param socket the socket object
+ * @param address the socket address
+ * @param netIf the network interface
+ *
+ * @throws IOException if I/O errors occur
+ */
+ static void leaveGroup(PlainDatagramSocketImpl socket, SocketAddress address,
+ NetworkInterface netIf)
+ throws IOException
+ {
+ throw new InternalError
+ ("PlainDatagramSocketImpl::leaveGroup is not implemented");
+ }
+
+}
Added: trunk/core/src/classpath/vm/java/net/VMPlainSocketImpl.java
===================================================================
--- trunk/core/src/classpath/vm/java/net/VMPlainSocketImpl.java (rev 0)
+++ trunk/core/src/classpath/vm/java/net/VMPlainSocketImpl.java 2006-12-14 10:09:53 UTC (rev 2916)
@@ -0,0 +1,512 @@
+/* VMPlainSocketImpl.java -- VM interface for default socket implementation
+ Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+package gnu.java.net;
+
+import java.io.IOException;
+import java.net.Inet4Address;
+import java.net.Inet6Address;
+import java.net.InetAddress;
+import java.net.InetSocketAddress;
+import java.net.NetworkInterface;
+import java.net.SocketException;
+import java.net.SocketOptions;
+
+import gnu.classpath.Configuration;
+import gnu.java.nio.VMChannel;
+
+/**
+ * The VM interface for {@link gnu.java.net.PlainSocketImpl}.
+ *
+ * @author Ingo Proetel (pr...@ai...)
+ * @author Roman Kennke (ke...@ai...)
+ */
+public final class VMPlainSocketImpl
+{
+ /** Option id for time to live
+ */
+ private static final int CP_IP_TTL = 0x1E61;
+
+ private final State nfd;
+
+ /**
+ * Static initializer to load native library.
+ */
+ static
+ {
+ if (Configuration.INIT_LOAD_LIBRARY)
+ {
+ System.loadLibrary("javanet");
+ }
+ }
+
+ public VMPlainSocketImpl()
+ {
+ // XXX consider adding security check here.
+ nfd = new State();
+ }
+
+ public VMPlainSocketImpl(VMChannel channel) throws IOException
+ {
+ this();
+ nfd.setChannelFD(channel.getState());
+ }
+
+ public State getState()
+ {
+ return nfd;
+ }
+
+ /** This method exists to hide the CP_IP_TTL value from
+ * higher levels.
+ *
+ * Always think of JNode ... :)
+ */
+ public void setTimeToLive(int ttl)
+ throws SocketException
+ {
+ try
+ {
+ setOption(nfd.getNativeFD(), CP_IP_TTL, ttl);
+ }
+ catch (IOException ioe)
+ {
+ SocketException se = new SocketException();
+ se.initCause(ioe);
+ throw se;
+ }
+ }
+
+ public int getTimeToLive()
+ throws SocketException
+ {
+ try
+ {
+ return getOption(nfd.getNativeFD(), CP_IP_TTL);
+ }
+ catch (IOException ioe)
+ {
+ SocketException se = new SocketException();
+ se.initCause(ioe);
+ throw se;
+ }
+ }
+
+ public void setOption(int optionId, Object optionValue)
+ throws SocketException
+ {
+ int value;
+ if (optionValue instanceof Integer)
+ value = ((Integer) optionValue).intValue();
+ else if (optionValue instanceof Boolean)
+ // Switching off the linger behavior is done by setting
+ // the value to -1. This is how the Java API interprets
+ // it.
+ value = ((Boolean) optionValue).booleanValue()
+ ? 1
+ : (optionId == SocketOptions.SO_LINGER)
+ ? -1
+ : 0;
+ else
+ throw new IllegalArgumentException("option value type "
+ + optionValue.getClass().getName());
+
+ try
+ {
+ setOption(nfd.getNativeFD(), optionId, value);
+ }
+ catch (IOException ioe)
+ {
+ SocketException se = new SocketException();
+ se.initCause(ioe);
+ throw se;
+ }
+ }
+
+ private static native void setOption(int fd, int id, int value)
+ throws SocketException;
+
+ public void setMulticastInterface(int optionId, InetAddress addr)
+ throws SocketException
+ {
+ try
+ {
+ if (addr instanceof Inet4Address)
+ setMulticastInterface(nfd.getNativeFD(), optionId, (Inet4Address) addr);
+ else if (addr instanceof Inet6Address)
+ {
+ NetworkInterface iface = NetworkInterface.getByInetAddress(addr);
+ setMulticastInterface6(nfd.getNativeFD(), optionId, iface.getName());
+ }
+ else
+ throw new SocketException("Unknown address format: " + addr);
+ }
+ catch (SocketException se)
+ {
+ throw se;
+ }
+ catch (IOException ioe)
+ {
+ SocketException se = new SocketException();
+ se.initCause(ioe);
+ throw se;
+ }
+ }
+
+ private static native void setMulticastInterface(int fd,
+ int optionId,
+ Inet4Address addr);
+
+ private static native void setMulticastInterface6(int fd,
+ int optionId,
+ String ifName);
+
+ /**
+ * Get a socket option. This implementation is only required to support
+ * socket options that are boolean values, which include:
+ *
+ * SocketOptions.IP_MULTICAST_LOOP
+ * SocketOptions.SO_BROADCAST
+ * SocketOptions.SO_KEEPALIVE
+ * SocketOptions.SO_OOBINLINE
+ * SocketOptions.SO_REUSEADDR
+ * SocketOptions.TCP_NODELAY
+ *
+ * and socket options that are integer values, which include:
+ *
+ * SocketOptions.IP_TOS
+ * SocketOptions.SO_LINGER
+ * SocketOptions.SO_RCVBUF
+ * SocketOptions.SO_SNDBUF
+ * SocketOptions.SO_TIMEOUT
+ *
+ * @param optionId The option ID to fetch.
+ * @return A {@link Boolean} or {@link Integer} containing the socket
+ * option.
+ * @throws SocketException
+ */
+ public Object getOption(int optionId) throws SocketException
+ {
+ int value;
+ try
+ {
+ value = getOption(nfd.getNativeFD(), optionId);
+ }
+ catch (IOException ioe)
+ {
+ SocketException se = new SocketException();
+ se.initCause(ioe);
+ throw se;
+ }
+
+ switch (optionId)
+ {
+ case SocketOptions.IP_MULTICAST_LOOP:
+ case SocketOptions.SO_BROADCAST:
+ case SocketOptions.SO_KEEPALIVE:
+ case SocketOptions.SO_OOBINLINE:
+ case SocketOptions.SO_REUSEADDR:
+ case SocketOptions.TCP_NODELAY:
+ return Boolean.valueOf(value != 0);
+
+ case SocketOptions.IP_TOS:
+ case SocketOptions.SO_LINGER:
+ case SocketOptions.SO_RCVBUF:
+ case SocketOptions.SO_SNDBUF:
+ case SocketOptions.SO_TIMEOUT:
+ return new Integer(value);
+
+ default:
+ throw new SocketException("getting option " + optionId +
+ " not supported here");
+ }
+ }
+
+ private static native int getOption(int fd, int id) throws SocketException;
+
+ /**
+ * Returns an Inet4Address or Inet6Address instance belonging to the
+ * interface which is set as the multicast interface.
+ *
+ * The optionId is provided to make it possible that the native
+ * implementation may do something different depending on whether
+ * the value is SocketOptions.IP_MULTICAST_IF or
+ * SocketOptions.IP_MULTICAST_IF2.
+ */
+ public InetAddress getMulticastInterface(int optionId)
+ throws SocketException
+ {
+ try
+ {
+ return getMulticastInterface(nfd.getNativeFD(), optionId);
+ }
+ catch (IOException ioe)
+ {
+ SocketException se = new SocketException();
+ se.initCause(ioe);
+ throw se;
+ }
+ }
+
+ private static native InetAddress getMulticastInterface(int fd,
+ int optionId);
+
+ /**
+ * Binds this socket to the given local address and port.
+ *
+ * @param address The address to bind to; the InetAddress is either
+ * an IPv4 or IPv6 address.
+ * @throws IOException If binding fails; for example, if the port
+ * in the given InetSocketAddress is privileged, and the current
+ * process has insufficient privileges.
+ */
+ public void bind(InetSocketAddress address) throws IOException
+ {
+ InetAddress addr = address.getAddress();
+ if (addr instanceof Inet4Address)
+ {
+ bind (nfd.getNativeFD(), addr.getAddress(), address.getPort());
+ }
+ else if (addr instanceof Inet6Address)
+ bind6 (nfd.getNativeFD(), addr.getAddress(), address.getPort());
+ else
+ throw new SocketException ("unsupported address type");
+ }
+
+ /**
+ * Native bind function for IPv4 addresses. The addr array must be
+ * exactly four bytes long.
+ *
+ * VMs without native support need not implement this.
+ *
+ * @param fd The native file descriptor integer.
+ * @param addr The IPv4 address, in network byte order.
+ * @param port The port to bind to.
+ * @throws IOException
+ */
+ private static native void bind(int fd, byte[] addr, int port)
+ throws IOException;
+
+ /**
+ * Native bind function for IPv6 addresses. The addr array must be
+ * exactly sixteen bytes long.
+ *
+ * VMs without native support need not implement this.
+ *
+ * @param fd The native file descriptor integer.
+ * @param addr The IPv6 address, in network byte order.
+ * @param port The port to bind to.
+ * @throws IOException
+ */
+ private static native void bind6(int fd, byte[] addr, int port)
+ throws IOException;
+
+ /**
+ * Listen on this socket for incoming connections.
+ *
+ * @param backlog The backlog of connections.
+ * @throws IOException If listening fails.
+ * @see gnu.java.nio.VMChannel#accept()
+ */
+ public void listen(int backlog) throws IOException
+ {
+ listen(nfd.getNativeFD(), backlog);
+ }
+
+ /**
+ * Native listen function. VMs without native support need not implement
+ * this.
+ *
+ * @param fd The file descriptor integer.
+ * @param backlog The listen backlog size.
+ * @throws IOException
+ */
+ private static native void listen(int fd, int backlog) throws IOException;
+
+ public void join(InetAddress group) throws IOException
+ {
+ if (group instanceof Inet4Address)
+ join(nfd.getNativeFD(), group.getAddress());
+ else if (group instanceof Inet6Address)
+ join6(nfd.getNativeFD(), group.getAddress());
+ else
+ throw new IllegalArgumentException("unknown address type");
+ }
+
+ private static native void join(int fd, byte[] addr) throws IOException;
+
+ private static native void join6(int fd, byte[] addr) throws IOException;
+
+ public void leave(InetAddress group) throws IOException
+ {
+ if (group instanceof Inet4Address)
+ leave(nfd.getNativeFD(), group.getAddress());
+ else if (group instanceof Inet6Address)
+ leave6(nfd.getNativeFD(), group.getAddress());
+ else
+ throw new IllegalArgumentException("unknown address type");
+ }
+
+ private static native void leave(int fd, byte[] addr) throws IOException;
+
+ private static native void leave6(int fd, byte[] addr) throws IOException;
+
+ public void joinGroup(InetSocketAddress addr, NetworkInterface netif)
+ throws IOException
+ {
+ InetAddress address = addr.getAddress();
+
+ if (address instanceof Inet4Address)
+ joinGroup(nfd.getNativeFD(), address.getAddress(),
+ netif != null ? netif.getName() : null);
+ else if (address instanceof Inet6Address)
+ joinGroup6(nfd.getNativeFD(), address.getAddress(),
+ netif != null ? netif.getName() : null);
+ else
+ throw new IllegalArgumentException("unknown address type");
+ }
+
+ private static native void joinGroup(int fd, byte[] addr, String ifname)
+ throws IOException;
+
+ private static native void joinGroup6(int fd, byte[] addr, String ifname)
+ throws IOException;
+
+ public void leaveGroup(InetSocketAddress addr, NetworkInterface netif)
+ throws IOException
+ {
+ InetAddress address = addr.getAddress();
+ if (address instanceof Inet4Address)
+ leaveGroup(nfd.getNativeFD(), address.getAddress(),
+ netif != null ? netif.getName() : null);
+ else if (address instanceof Inet6Address)
+ leaveGroup6(nfd.getNativeFD(), address.getAddress(),
+ netif != null ? netif.getName() : null);
+ else
+ throw new IllegalArgumentException("unknown address type");
+ }
+
+ private static native void leaveGroup(int fd, byte[] addr, String ifname)
+ throws IOException;
+
+ private static native void leaveGroup6(int fd, byte[] addr, String ifname)
+ throws IOException;
+
+
+ public void shutdownInput() throws IOException
+ {
+ shutdownInput(nfd.getNativeFD());
+ }
+
+ private static native void shutdownInput(int native_fd) throws IOException;
+
+ public void shutdownOutput() throws IOException
+ {
+ shutdownOutput(nfd.getNativeFD());
+ }
+
+ private static native void shutdownOutput(int native_fd) throws IOException;
+
+ public void sendUrgentData(int data) throws IOException
+ {
+ sendUrgentData(nfd.getNativeFD(), data);
+ }
+
+ private static native void sendUrgentData(int natfive_fd, int data) throws IOException;
+
+ public void close() throws IOException
+ {
+ nfd.close();
+ }
+
+ // Inner classes.
+
+ /**
+ * Our wrapper for the native file descriptor. In this implementation,
+ * it is a simple wrapper around {@link VMChannel.State}, to simplify
+ * management of the native state.
+ */
+ public final class State
+ {
+ private VMChannel.State channelFd;
+
+ State()
+ {
+ channelFd = null;
+ }
+
+ public boolean isValid()
+ {
+ if (channelFd != null)
+ return channelFd.isValid();
+ return false;
+ }
+
+ public int getNativeFD() throws IOException
+ {
+ return channelFd.getNativeFD();
+ }
+
+ public void setChannelFD(final VMChannel.State nfd) throws IOException
+ {
+ if (this.channelFd != null && this.channelFd.isValid())
+ throw new IOException("file descriptor already initialized");
+ this.channelFd = nfd;
+ }
+
+ public void close() throws IOException
+ {
+ if (channelFd == null)
+ throw new IOException("invalid file descriptor");
+ channelFd.close();
+ }
+
+ protected void finalize() throws Throwable
+ {
+ try
+ {
+ if (isValid())
+ close();
+ }
+ finally
+ {
+ super.finalize();
+ }
+ }
+ }
+}
+
This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.
|
|
From: <hag...@us...> - 2006-12-14 10:08:00
|
Revision: 2915
http://jnode.svn.sourceforge.net/jnode/?rev=2915&view=rev
Author: hagar-wize
Date: 2006-12-14 02:07:59 -0800 (Thu, 14 Dec 2006)
Log Message:
-----------
Classpath patches
Modified Paths:
--------------
trunk/core/src/classpath/vm/java/io/VMOpenMode.java
Modified: trunk/core/src/classpath/vm/java/io/VMOpenMode.java
===================================================================
--- trunk/core/src/classpath/vm/java/io/VMOpenMode.java 2006-12-14 10:06:39 UTC (rev 2914)
+++ trunk/core/src/classpath/vm/java/io/VMOpenMode.java 2006-12-14 10:07:59 UTC (rev 2915)
@@ -23,7 +23,7 @@
import org.apache.log4j.Logger;
-import gnu.java.nio.channels.FileChannelImpl;
+import gnu.java.nio.FileChannelImpl;
/**
* @author epr
This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.
|
|
From: <hag...@us...> - 2006-12-14 10:06:40
|
Revision: 2914
http://jnode.svn.sourceforge.net/jnode/?rev=2914&view=rev
Author: hagar-wize
Date: 2006-12-14 02:06:39 -0800 (Thu, 14 Dec 2006)
Log Message:
-----------
Classpath patches
Modified Paths:
--------------
trunk/core/src/classpath/java/java/io/FileDescriptor.java
trunk/core/src/classpath/java/java/io/FileInputStream.java
Modified: trunk/core/src/classpath/java/java/io/FileDescriptor.java
===================================================================
--- trunk/core/src/classpath/java/java/io/FileDescriptor.java 2006-12-14 10:05:45 UTC (rev 2913)
+++ trunk/core/src/classpath/java/java/io/FileDescriptor.java 2006-12-14 10:06:39 UTC (rev 2914)
@@ -134,6 +134,7 @@
*/
public boolean valid ()
{
- return channel != null && channel.isOpen();
+ ByteChannel c = channel;
+ return (c != null) && (c.isOpen());
}
}
Modified: trunk/core/src/classpath/java/java/io/FileInputStream.java
===================================================================
--- trunk/core/src/classpath/java/java/io/FileInputStream.java 2006-12-14 10:05:45 UTC (rev 2913)
+++ trunk/core/src/classpath/java/java/io/FileInputStream.java 2006-12-14 10:06:39 UTC (rev 2914)
@@ -38,8 +38,9 @@
package java.io;
-import gnu.java.nio.channels.FileChannelImpl;
+import gnu.java.nio.FileChannelImpl;
+import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
@@ -107,8 +108,21 @@
if (s != null)
s.checkRead(file.getPath());
+ try
+ {
ch = FileChannelImpl.create(file, FileChannelImpl.READ);
}
+ catch (FileNotFoundException fnfe)
+ {
+ throw fnfe;
+ }
+ catch (IOException ioe)
+ {
+ FileNotFoundException fnfe = new FileNotFoundException(file.getPath());
+ fnfe.initCause(ioe);
+ throw fnfe;
+ }
+ }
/**
* This method initializes a <code>FileInputStream</code> to read from the
@@ -266,7 +280,7 @@
|| offset + len > buf.length)
throw new ArrayIndexOutOfBoundsException();
- return ch.read(buf, offset, len);
+ return ch.read(ByteBuffer.wrap(buf, offset, len));
}
/**
This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.
|
|
From: <hag...@us...> - 2006-12-14 10:05:46
|
Revision: 2913
http://jnode.svn.sourceforge.net/jnode/?rev=2913&view=rev
Author: hagar-wize
Date: 2006-12-14 02:05:45 -0800 (Thu, 14 Dec 2006)
Log Message:
-----------
Classpath patches
Modified Paths:
--------------
trunk/core/src/classpath/vm/java/nio/channels/VMChannels.java
Modified: trunk/core/src/classpath/vm/java/nio/channels/VMChannels.java
===================================================================
--- trunk/core/src/classpath/vm/java/nio/channels/VMChannels.java 2006-12-14 10:04:53 UTC (rev 2912)
+++ trunk/core/src/classpath/vm/java/nio/channels/VMChannels.java 2006-12-14 10:05:45 UTC (rev 2913)
@@ -23,7 +23,7 @@
import gnu.java.nio.ChannelInputStream;
import gnu.java.nio.ChannelOutputStream;
-import gnu.java.nio.channels.FileChannelImpl;
+import gnu.java.nio.FileChannelImpl;
import java.io.FileInputStream;
import java.io.FileOutputStream;
This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.
|
|
From: <hag...@us...> - 2006-12-14 10:04:55
|
Revision: 2912
http://jnode.svn.sourceforge.net/jnode/?rev=2912&view=rev
Author: hagar-wize
Date: 2006-12-14 02:04:53 -0800 (Thu, 14 Dec 2006)
Log Message:
-----------
Classpath patches
Removed Paths:
-------------
trunk/core/src/classpath/gnu/gnu/java/nio/channels/FileChannelImpl.java
Deleted: trunk/core/src/classpath/gnu/gnu/java/nio/channels/FileChannelImpl.java
===================================================================
--- trunk/core/src/classpath/gnu/gnu/java/nio/channels/FileChannelImpl.java 2006-12-14 09:54:07 UTC (rev 2911)
+++ trunk/core/src/classpath/gnu/gnu/java/nio/channels/FileChannelImpl.java 2006-12-14 10:04:53 UTC (rev 2912)
@@ -1,583 +0,0 @@
-/* FileChannelImpl.java --
- Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc.
-
-This file is part of GNU Classpath.
-
-GNU Classpath is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU Classpath is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; see the file COPYING. If not, write to the
-Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library. Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module. An independent module is a module which is not derived from
-or based on this library. If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so. If you do not wish to do so, delete this
-exception statement from your version. */
-
-
-package gnu.java.nio.channels;
-
-import gnu.java.nio.FileLockImpl;
-
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.io.VMFile;
-import java.io.VMIOUtils;
-import java.io.VMOpenMode;
-import java.nio.ByteBuffer;
-import java.nio.MappedByteBuffer;
-import java.nio.channels.ClosedChannelException;
-import java.nio.channels.FileChannel;
-import java.nio.channels.FileLock;
-import java.nio.channels.NonReadableChannelException;
-import java.nio.channels.NonWritableChannelException;
-import java.nio.channels.ReadableByteChannel;
-import java.nio.channels.WritableByteChannel;
-
-import org.jnode.java.io.VMFileHandle;
-
-/**
- * This file is not user visible !
- * But alas, Java does not have a concept of friendly packages
- * so this class is public.
- * Instances of this class are created by invoking getChannel
- * Upon a Input/Output/RandomAccessFile object.
- */
-public final class FileChannelImpl extends FileChannel
-{
- // These are mode values for open().
- public static final int READ = 1;
- public static final int WRITE = 2;
- public static final int APPEND = 4;
-
- // EXCL is used only when making a temp file.
- public static final int EXCL = 8;
- public static final int SYNC = 16;
- public static final int DSYNC = 32;
-
- // System's notion of file descriptor. It might seem redundant to
- // initialize this given that it is reassigned in the constructors.
- // However, this is necessary because if open() throws an exception
- // we want to make sure this has the value -1. This is the most
- // efficient way to accomplish that.
- private VMFileHandle fh;
-
- private int mode;
-
- public FileChannelImpl ()
- {
- }
-
- /* Open a file. MODE is a combination of the above mode flags. */
- /* This is a static factory method, so that VM implementors can decide
- * substitute subclasses of FileChannelImpl. */
- public static FileChannelImpl create(File file, int mode)
- throws FileNotFoundException
- {
- return new FileChannelImpl(file, mode);
- }
-
- private FileChannelImpl(File file, int mode)
- throws FileNotFoundException
- {
- final String path = file.getPath();
- fh = open (path, mode);
- this.mode = mode;
-
- // First open the file and then check if it is a a directory
- // to avoid race condition.
- if (file.isDirectory())
- {
- try
- {
- close();
- }
- catch (IOException e)
- {
- /* ignore it */
- }
-
- throw new FileNotFoundException(path + " is a directory");
- }
- }
-
- public static FileChannelImpl in;
- public static FileChannelImpl out;
- public static FileChannelImpl err;
-
- private VMFileHandle open (String path, int mode) throws FileNotFoundException
- {
- try
- {
- return VMIOUtils.getAPI().open(VMFile.getNormalizedPath(path), VMOpenMode.valueOf(mode));
- }
- catch (IOException e)
- {
- FileNotFoundException fnf = new FileNotFoundException("can't find "+path);
- fnf.initCause(e);
- throw fnf;
- }
- }
-
- public int available () throws IOException
- {
- return fh.available();
- }
-
- private long implPosition () throws IOException
- {
- return fh.getPosition();
- }
-
- private void seek (long newPosition) throws IOException
- {
- fh.setPosition(newPosition);
- }
-
- private void implTruncate (long size) throws IOException
- {
- fh.setLength(size);
- }
-
- public void unlock (long pos, long len) throws IOException
- {
- fh.unlock(pos, len);
- }
-
- public long size () throws IOException
- {
- return fh.getLength();
- }
-
- protected void implCloseChannel() throws IOException
- {
- fh.close();
- }
-
- /**
- * Makes sure the Channel is properly closed.
- */
- protected void finalize() throws IOException
- {
- this.close();
- }
-
- public int read (ByteBuffer dst) throws IOException
- {
-// int result;
-// byte[] buffer = new byte [dst.remaining ()];
-//
-// result = read (buffer, 0, buffer.length);
-//
-// if (result > 0)
-// dst.put (buffer, 0, result);
-//
-// return result;
- return fh.read(dst);
- }
-
- public int read (ByteBuffer dst, long position)
- throws IOException
- {
- if (position < 0)
- throw new IllegalArgumentException ("position: " + position);
- long oldPosition = implPosition ();
- position (position);
- int result = read(dst);
- position (oldPosition);
-
- return result;
- }
-
- public int read ()
- throws IOException
- {
- return fh.read();
- }
-
- public int read (byte[] buffer, int offset, int length)
- throws IOException
- {
- ByteBuffer buf = ByteBuffer.wrap(buffer, offset, length);
- return fh.read(buf);
- }
-
- public long read (ByteBuffer[] dsts, int offset, int length)
- throws IOException
- {
- long result = 0;
-
- for (int i = offset; i < offset + length; i++)
- {
- result += read (dsts [i]);
- }
-
- return result;
- }
-
- public int write (ByteBuffer src) throws IOException
- {
- int len = src.remaining ();
- if (src.hasArray())
- {
- byte[] buffer = src.array();
- write(buffer, src.arrayOffset() + src.position(), len);
- src.position(src.position() + len);
- }
- else
- {
- // Use a more efficient method! FIXME!
- byte[] buffer = new byte [len];
- src.get (buffer, 0, len);
- write (buffer, 0, len);
- }
- return len;
- }
-
- public int write (ByteBuffer src, long position)
- throws IOException
- {
- if (position < 0)
- throw new IllegalArgumentException ("position: " + position);
-
- if (!isOpen ())
- throw new ClosedChannelException ();
-
- if ((mode & WRITE) == 0)
- throw new NonWritableChannelException ();
-
- int result;
- long oldPosition;
-
- oldPosition = implPosition ();
- seek (position);
- result = write(src);
- seek (oldPosition);
-
- return result;
- }
-
- public void write (byte[] buffer, int offset, int length)
- throws IOException
- {
- fh.write(ByteBuffer.wrap(buffer, offset, length));
- }
-
- public void write (int b) throws IOException
- {
- fh.write(b);
- }
-
- public long write(ByteBuffer[] srcs, int offset, int length)
- throws IOException
- {
- long result = 0;
-
- for (int i = offset;i < offset + length;i++)
- {
- result += write (srcs[i]);
- }
-
- return result;
- }
-
- public MappedByteBuffer mapImpl (char mode, long position, int size)
- throws IOException
- {
- return fh.mapImpl(mode, position, size);
- }
-
- public MappedByteBuffer map (FileChannel.MapMode mode,
- long position, long size)
- throws IOException
- {
- char nmode = 0;
- if (mode == MapMode.READ_ONLY)
- {
- nmode = 'r';
- if ((this.mode & READ) == 0)
- throw new NonReadableChannelException();
- }
- else if (mode == MapMode.READ_WRITE || mode == MapMode.PRIVATE)
- {
- nmode = mode == MapMode.READ_WRITE ? '+' : 'c';
- if ((this.mode & (READ|WRITE)) != (READ|WRITE))
- throw new NonWritableChannelException();
- }
- else
- throw new IllegalArgumentException ("mode: " + mode);
-
- if (position < 0 || size < 0 || size > Integer.MAX_VALUE)
- throw new IllegalArgumentException ("position: " + position
- + ", size: " + size);
- return mapImpl(nmode, position, (int) size);
- }
-
- /**
- * msync with the disk
- */
- public void force (boolean metaData) throws IOException
- {
- if (!isOpen ())
- throw new ClosedChannelException ();
-
- force ();
- }
-
- private void force ()
- {
- // @vm-specific
- //TODO implement me
- }
-
- // like transferTo, but with a count of less than 2Gbytes
- private int smallTransferTo (long position, int count,
- WritableByteChannel target)
- throws IOException
- {
- ByteBuffer buffer;
- try
- {
- // Try to use a mapped buffer if we can. If this fails for
- // any reason we'll fall back to using a ByteBuffer.
- buffer = map (MapMode.READ_ONLY, position, count);
- }
- catch (IOException e)
- {
- buffer = ByteBuffer.allocate (count);
- read (buffer, position);
- buffer.flip();
- }
-
- return target.write (buffer);
- }
-
- public long transferTo (long position, long count,
- WritableByteChannel target)
- throws IOException
- {
- if (position < 0
- || count < 0)
- throw new IllegalArgumentException ();
-
- if (!isOpen ())
- throw new ClosedChannelException ();
-
- if ((mode & READ) == 0)
- throw new NonReadableChannelException ();
-
- final int pageSize = 65536;
- long total = 0;
-
- while (count > 0)
- {
- int transferred
- = smallTransferTo (position, (int)Math.min (count, pageSize),
- target);
- if (transferred < 0)
- break;
- total += transferred;
- position += transferred;
- count -= transferred;
- }
-
- return total;
- }
-
- // like transferFrom, but with a count of less than 2Gbytes
- private int smallTransferFrom (ReadableByteChannel src, long position,
- int count)
- throws IOException
- {
- ByteBuffer buffer = null;
-
- if (src instanceof FileChannel)
- {
- try
- {
- // Try to use a mapped buffer if we can. If this fails
- // for any reason we'll fall back to using a ByteBuffer.
- buffer = ((FileChannel)src).map (MapMode.READ_ONLY, position,
- count);
- }
- catch (IOException e)
- {
- }
- }
-
- if (buffer == null)
- {
- buffer = ByteBuffer.allocate ((int) count);
- src.read (buffer);
- buffer.flip();
- }
-
- return write (buffer, position);
- }
-
- public long transferFrom (ReadableByteChannel src, long position,
- long count)
- throws IOException
- {
- if (position < 0
- || count < 0)
- throw new IllegalArgumentException ();
-
- if (!isOpen ())
- throw new ClosedChannelException ();
-
- if ((mode & WRITE) == 0)
- throw new NonWritableChannelException ();
-
- final int pageSize = 65536;
- long total = 0;
-
- while (count > 0)
- {
- int transferred = smallTransferFrom (src, position,
- (int)Math.min (count, pageSize));
- if (transferred < 0)
- break;
- total += transferred;
- position += transferred;
- count -= transferred;
- }
-
- return total;
- }
-
- public FileLock tryLock (long position, long size, boolean shared)
- throws IOException
- {
- if (position < 0
- || size < 0)
- throw new IllegalArgumentException ("position: " + position
- + ", size: " + size);
-
- if (!isOpen ())
- throw new ClosedChannelException ();
-
- if (shared && ((mode & READ) == 0))
- throw new NonReadableChannelException ();
-
- if (!shared && ((mode & WRITE) == 0))
- throw new NonWritableChannelException ();
-
- boolean completed = false;
-
- try
- {
- begin();
- boolean lockable = lock(position, size, shared, false);
- completed = true;
- return (lockable
- ? new FileLockImpl(this, position, size, shared)
- : null);
- }
- finally
- {
- end(completed);
- }
- }
-
- /** Try to acquire a lock at the given position and size.
- * On success return true.
- * If wait as specified, block until we can get it.
- * Otherwise return false.
- */
- private boolean lock(long position, long size,
- boolean shared, boolean wait) throws IOException
- {
- return fh.lock();
- }
-
- public FileLock lock (long position, long size, boolean shared)
- throws IOException
- {
- if (position < 0
- || size < 0)
- throw new IllegalArgumentException ();
-
- if (!isOpen ())
- throw new ClosedChannelException ();
-
- boolean completed = false;
-
- try
- {
- boolean lockable = lock(position, size, shared, true);
- completed = true;
- return (lockable
- ? new FileLockImpl(this, position, size, shared)
- : null);
- }
- finally
- {
- end(completed);
- }
- }
-
- public long position ()
- throws IOException
- {
- if (!isOpen ())
- throw new ClosedChannelException ();
-
- return implPosition ();
- }
-
- public FileChannel position (long newPosition)
- throws IOException
- {
- if (newPosition < 0)
- throw new IllegalArgumentException ();
-
- if (!isOpen ())
- throw new ClosedChannelException ();
-
- // FIXME note semantics if seeking beyond eof.
- // We should seek lazily - only on a write.
- seek (newPosition);
- return this;
- }
-
- public FileChannel truncate (long size)
- throws IOException
- {
- if (size < 0)
- throw new IllegalArgumentException ();
-
- if (!isOpen ())
- throw new ClosedChannelException ();
-
- if ((mode & WRITE) == 0)
- throw new NonWritableChannelException ();
-
- if (size < size ())
- implTruncate (size);
-
- return this;
- }
-}
This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.
|
|
From: <hag...@us...> - 2006-12-14 09:54:09
|
Revision: 2911
http://jnode.svn.sourceforge.net/jnode/?rev=2911&view=rev
Author: hagar-wize
Date: 2006-12-14 01:54:07 -0800 (Thu, 14 Dec 2006)
Log Message:
-----------
Classpath patches
Modified Paths:
--------------
trunk/core/src/classpath/java/java/io/FileDescriptor.java
Modified: trunk/core/src/classpath/java/java/io/FileDescriptor.java
===================================================================
--- trunk/core/src/classpath/java/java/io/FileDescriptor.java 2006-12-14 09:34:50 UTC (rev 2910)
+++ trunk/core/src/classpath/java/java/io/FileDescriptor.java 2006-12-14 09:54:07 UTC (rev 2911)
@@ -39,7 +39,7 @@
package java.io;
-import gnu.java.nio.channels.FileChannelImpl;
+import gnu.java.nio.FileChannelImpl;
import java.nio.channels.ByteChannel;
import java.nio.channels.FileChannel;
This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.
|
|
From: <hag...@us...> - 2006-12-14 09:34:52
|
Revision: 2910
http://jnode.svn.sourceforge.net/jnode/?rev=2910&view=rev
Author: hagar-wize
Date: 2006-12-14 01:34:50 -0800 (Thu, 14 Dec 2006)
Log Message:
-----------
Classpath patches
Added Paths:
-----------
trunk/core/src/classpath/gnu/gnu/java/nio/FileChannelImpl.java
Added: trunk/core/src/classpath/gnu/gnu/java/nio/FileChannelImpl.java
===================================================================
--- trunk/core/src/classpath/gnu/gnu/java/nio/FileChannelImpl.java (rev 0)
+++ trunk/core/src/classpath/gnu/gnu/java/nio/FileChannelImpl.java 2006-12-14 09:34:50 UTC (rev 2910)
@@ -0,0 +1,572 @@
+/* FileChannelImpl.java --
+ Copyright (C) 2002, 2004, 2005, 2006 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package gnu.java.nio;
+
+import gnu.classpath.Configuration;
+import gnu.java.nio.FileLockImpl;
+import gnu.java.nio.VMChannel;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.nio.MappedByteBuffer;
+import java.nio.channels.ClosedChannelException;
+import java.nio.channels.FileChannel;
+import java.nio.channels.FileLock;
+import java.nio.channels.NonReadableChannelException;
+import java.nio.channels.NonWritableChannelException;
+import java.nio.channels.ReadableByteChannel;
+import java.nio.channels.WritableByteChannel;
+
+/**
+ * This file is not user visible !
+ * But alas, Java does not have a concept of friendly packages
+ * so this class is public.
+ * Instances of this class are created by invoking getChannel
+ * Upon a Input/Output/RandomAccessFile object.
+ */
+public final class FileChannelImpl extends FileChannel
+{
+ // These are mode values for open().
+ public static final int READ = 1;
+ public static final int WRITE = 2;
+ public static final int APPEND = 4;
+
+ // EXCL is used only when making a temp file.
+ public static final int EXCL = 8;
+ public static final int SYNC = 16;
+ public static final int DSYNC = 32;
+
+ public static final FileChannelImpl in;
+ public static final FileChannelImpl out;
+ public static final FileChannelImpl err;
+
+ //private static native void init();
+
+ static
+ {
+ if (Configuration.INIT_LOAD_LIBRARY)
+ {
+ System.loadLibrary("javanio");
+ }
+
+ //init();
+
+ FileChannelImpl ch = null;
+ try
+ {
+ ch = new FileChannelImpl(VMChannel.getStdin(), READ);
+ }
+ catch (IOException ioe)
+ {
+ throw new Error(ioe);
+ }
+ in = ch;
+
+ ch = null;
+ try
+ {
+ ch = new FileChannelImpl(VMChannel.getStdout(), WRITE);
+ }
+ catch (IOException ioe)
+ {
+ throw new Error(ioe);
+ }
+ out = ch;
+
+ ch = null;
+ try
+ {
+ ch = new FileChannelImpl(VMChannel.getStderr(), WRITE);
+ }
+ catch (IOException ioe)
+ {
+ throw new Error(ioe);
+ }
+ err = ch;
+ }
+
+ /**
+ * This is the actual native file descriptor value
+ */
+ private VMChannel ch;
+
+ private int mode;
+
+ final String description;
+
+ /* Open a file. MODE is a combination of the above mode flags. */
+ /* This is a static factory method, so that VM implementors can decide
+ * substitute subclasses of FileChannelImpl. */
+ public static FileChannelImpl create(File file, int mode)
+ throws IOException
+ {
+ return new FileChannelImpl(file, mode);
+ }
+
+ private FileChannelImpl(File file, int mode)
+ throws IOException
+ {
+ String path = file.getPath();
+ description = path;
+ this.mode = mode;
+ this.ch = new VMChannel();
+ ch.openFile(path, mode);
+
+ // First open the file and then check if it is a a directory
+ // to avoid race condition.
+ if (file.isDirectory())
+ {
+ try
+ {
+ close();
+ }
+ catch (IOException e)
+ {
+ /* ignore it */
+ }
+
+ throw new FileNotFoundException(description + " is a directory");
+ }
+ }
+
+ /**
+ * Constructor for default channels in, out and err.
+ *
+ * Used by init() (native code).
+ *
+ * @param fd the file descriptor (0, 1, 2 for stdin, stdout, stderr).
+ *
+ * @param mode READ or WRITE
+ */
+ FileChannelImpl (VMChannel ch, int mode)
+ {
+ this.mode = mode;
+ this.description = "descriptor(" + ch.getState() + ")";
+ this.ch = ch;
+ }
+
+ public int available() throws IOException
+ {
+ return ch.available();
+ }
+
+ private long implPosition() throws IOException
+ {
+ return ch.position();
+ }
+
+ private void seek(long newPosition) throws IOException
+ {
+ ch.seek(newPosition);
+ }
+
+ private void implTruncate(long size) throws IOException
+ {
+ ch.truncate(size);
+ }
+
+ public void unlock(long pos, long len) throws IOException
+ {
+ ch.unlock(pos, len);
+ }
+
+ public long size () throws IOException
+ {
+ return ch.size();
+ }
+
+ protected void implCloseChannel() throws IOException
+ {
+ ch.close();
+ }
+
+ /**
+ * Makes sure the Channel is properly closed.
+ */
+ protected void finalize() throws IOException
+ {
+ if (ch.getState().isValid())
+ close();
+ }
+
+ public int read (ByteBuffer dst) throws IOException
+ {
+ return ch.read(dst);
+ }
+
+ public int read (ByteBuffer dst, long position)
+ throws IOException
+ {
+ if (position < 0)
+ throw new IllegalArgumentException ("position: " + position);
+ long oldPosition = implPosition ();
+ position (position);
+ int result = read(dst);
+ position (oldPosition);
+
+ return result;
+ }
+
+ public int read() throws IOException
+ {
+ return ch.read();
+ }
+
+ public long read (ByteBuffer[] dsts, int offset, int length)
+ throws IOException
+ {
+ return ch.readScattering(dsts, offset, length);
+ }
+
+ public int write (ByteBuffer src) throws IOException
+ {
+ return ch.write(src);
+ }
+
+ public int write (ByteBuffer src, long position)
+ throws IOException
+ {
+ if (position < 0)
+ throw new IllegalArgumentException ("position: " + position);
+
+ if (!isOpen ())
+ throw new ClosedChannelException ();
+
+ if ((mode & WRITE) == 0)
+ throw new NonWritableChannelException ();
+
+ int result;
+ long oldPosition;
+
+ oldPosition = implPosition ();
+ seek (position);
+ result = write(src);
+ seek (oldPosition);
+
+ return result;
+ }
+
+ public void write (int b) throws IOException
+ {
+ ch.write(b);
+ }
+
+ public long write(ByteBuffer[] srcs, int offset, int length)
+ throws IOException
+ {
+ return ch.writeGathering(srcs, offset, length);
+ }
+
+ public MappedByteBuffer map (FileChannel.MapMode mode,
+ long position, long size)
+ throws IOException
+ {
+ char nmode = 0;
+ if (mode == MapMode.READ_ONLY)
+ {
+ nmode = 'r';
+ if ((this.mode & READ) == 0)
+ throw new NonReadableChannelException();
+ }
+ else if (mode == MapMode.READ_WRITE || mode == MapMode.PRIVATE)
+ {
+ nmode = mode == MapMode.READ_WRITE ? '+' : 'c';
+ if ((this.mode & WRITE) != WRITE)
+ throw new NonWritableChannelException();
+ if ((this.mode & READ) != READ)
+ throw new NonReadableChannelException();
+ }
+ else
+ throw new IllegalArgumentException ("mode: " + mode);
+
+ if (position < 0 || size < 0 || size > Integer.MAX_VALUE)
+ throw new IllegalArgumentException ("position: " + position
+ + ", size: " + size);
+ return ch.map(nmode, position, (int) size);
+ }
+
+ /**
+ * msync with the disk
+ */
+ public void force (boolean metaData) throws IOException
+ {
+ if (!isOpen ())
+ throw new ClosedChannelException ();
+
+ ch.flush(metaData);
+ }
+
+ // like transferTo, but with a count of less than 2Gbytes
+ private int smallTransferTo (long position, int count,
+ WritableByteChannel target)
+ throws IOException
+ {
+ ByteBuffer buffer;
+ try
+ {
+ // Try to use a mapped buffer if we can. If this fails for
+ // any reason we'll fall back to using a ByteBuffer.
+ buffer = map (MapMode.READ_ONLY, position, count);
+ }
+ catch (IOException e)
+ {
+ buffer = ByteBuffer.allocate (count);
+ read (buffer, position);
+ buffer.flip();
+ }
+
+ return target.write (buffer);
+ }
+
+ public long transferTo (long position, long count,
+ WritableByteChannel target)
+ throws IOException
+ {
+ if (position < 0
+ || count < 0)
+ throw new IllegalArgumentException ("position: " + position
+ + ", count: " + count);
+
+ if (!isOpen ())
+ throw new ClosedChannelException ();
+
+ if ((mode & READ) == 0)
+ throw new NonReadableChannelException ();
+
+ final int pageSize = 65536;
+ long total = 0;
+
+ while (count > 0)
+ {
+ int transferred
+ = smallTransferTo (position, (int)Math.min (count, pageSize),
+ target);
+ if (transferred < 0)
+ break;
+ total += transferred;
+ position += transferred;
+ count -= transferred;
+ }
+
+ return total;
+ }
+
+ // like transferFrom, but with a count of less than 2Gbytes
+ private int smallTransferFrom (ReadableByteChannel src, long position,
+ int count)
+ throws IOException
+ {
+ ByteBuffer buffer = null;
+
+ if (src instanceof FileChannel)
+ {
+ try
+ {
+ // Try to use a mapped buffer if we can. If this fails
+ // for any reason we'll fall back to using a ByteBuffer.
+ buffer = ((FileChannel)src).map (MapMode.READ_ONLY, position,
+ count);
+ }
+ catch (IOException e)
+ {
+ }
+ }
+
+ if (buffer == null)
+ {
+ buffer = ByteBuffer.allocate ((int) count);
+ src.read (buffer);
+ buffer.flip();
+ }
+
+ return write (buffer, position);
+ }
+
+ public long transferFrom (ReadableByteChannel src, long position,
+ long count)
+ throws IOException
+ {
+ if (position < 0
+ || count < 0)
+ throw new IllegalArgumentException ("position: " + position
+ + ", count: " + count);
+
+ if (!isOpen ())
+ throw new ClosedChannelException ();
+
+ if ((mode & WRITE) == 0)
+ throw new NonWritableChannelException ();
+
+ final int pageSize = 65536;
+ long total = 0;
+
+ while (count > 0)
+ {
+ int transferred = smallTransferFrom (src, position,
+ (int)Math.min (count, pageSize));
+ if (transferred < 0)
+ break;
+ total += transferred;
+ position += transferred;
+ count -= transferred;
+ }
+
+ return total;
+ }
+
+ // Shared sanity checks between lock and tryLock methods.
+ private void lockCheck(long position, long size, boolean shared)
+ throws IOException
+ {
+ if (position < 0
+ || size < 0)
+ throw new IllegalArgumentException ("position: " + position
+ + ", size: " + size);
+
+ if (!isOpen ())
+ throw new ClosedChannelException();
+
+ if (shared && ((mode & READ) == 0))
+ throw new NonReadableChannelException();
+
+ if (!shared && ((mode & WRITE) == 0))
+ throw new NonWritableChannelException();
+ }
+
+ public FileLock tryLock (long position, long size, boolean shared)
+ throws IOException
+ {
+ lockCheck(position, size, shared);
+
+ boolean completed = false;
+ try
+ {
+ begin();
+ boolean lockable = ch.lock(position, size, shared, false);
+ completed = true;
+ return (lockable
+ ? new FileLockImpl(this, position, size, shared)
+ : null);
+ }
+ finally
+ {
+ end(completed);
+ }
+ }
+
+ public FileLock lock (long position, long size, boolean shared)
+ throws IOException
+ {
+ lockCheck(position, size, shared);
+
+ boolean completed = false;
+ try
+ {
+ boolean lockable = ch.lock(position, size, shared, true);
+ completed = true;
+ return (lockable
+ ? new FileLockImpl(this, position, size, shared)
+ : null);
+ }
+ finally
+ {
+ end(completed);
+ }
+ }
+
+ public long position ()
+ throws IOException
+ {
+ if (!isOpen ())
+ throw new ClosedChannelException ();
+
+ return implPosition ();
+ }
+
+ public FileChannel position (long newPosition)
+ throws IOException
+ {
+ if (newPosition < 0)
+ throw new IllegalArgumentException ("newPosition: " + newPosition);
+
+ if (!isOpen ())
+ throw new ClosedChannelException ();
+
+ // FIXME note semantics if seeking beyond eof.
+ // We should seek lazily - only on a write.
+ seek (newPosition);
+ return this;
+ }
+
+ public FileChannel truncate (long size)
+ throws IOException
+ {
+ if (size < 0)
+ throw new IllegalArgumentException ("size: " + size);
+
+ if (!isOpen ())
+ throw new ClosedChannelException ();
+
+ if ((mode & WRITE) == 0)
+ throw new NonWritableChannelException ();
+
+ if (size < size ())
+ implTruncate (size);
+
+ return this;
+ }
+
+ public String toString()
+ {
+ return (super.toString()
+ + "[ fd: " + ch.getState()
+ + "; mode: " + Integer.toOctalString(mode)
+ + "; " + description + " ]");
+ }
+
+ /**
+ * @return The native file descriptor.
+ * /
+ public int getNativeFD()
+ {
+ return fd;
+ }*/
+}
This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.
|
|
From: <hag...@us...> - 2006-12-14 09:30:35
|
Revision: 2909
http://jnode.svn.sourceforge.net/jnode/?rev=2909&view=rev
Author: hagar-wize
Date: 2006-12-14 01:30:34 -0800 (Thu, 14 Dec 2006)
Log Message:
-----------
Classpath patches
Modified Paths:
--------------
trunk/core/src/classpath/gnu/gnu/java/nio/SocketChannelSelectionKey.java
trunk/core/src/classpath/gnu/gnu/java/nio/SocketChannelSelectionKeyImpl.java
Modified: trunk/core/src/classpath/gnu/gnu/java/nio/SocketChannelSelectionKey.java
===================================================================
--- trunk/core/src/classpath/gnu/gnu/java/nio/SocketChannelSelectionKey.java 2006-12-14 09:29:10 UTC (rev 2908)
+++ trunk/core/src/classpath/gnu/gnu/java/nio/SocketChannelSelectionKey.java 2006-12-14 09:30:34 UTC (rev 2909)
@@ -38,6 +38,7 @@
package gnu.java.nio;
+import java.io.IOException;
import java.nio.channels.spi.AbstractSelectableChannel;
public final class SocketChannelSelectionKey
@@ -49,10 +50,16 @@
super (channel, selector);
}
+ // FIXME don't use file descriptor integers
public int getNativeFD()
{
- NIOSocket socket =
- (NIOSocket) ((SocketChannelImpl) ch).socket();
- return socket.getPlainSocketImpl().getNativeFD();
+ try
+ {
+ return ((SocketChannelImpl) ch).getVMChannel().getState().getNativeFD();
+ }
+ catch (IOException ioe)
+ {
+ throw new IllegalStateException(ioe);
+ }
}
}
Modified: trunk/core/src/classpath/gnu/gnu/java/nio/SocketChannelSelectionKeyImpl.java
===================================================================
--- trunk/core/src/classpath/gnu/gnu/java/nio/SocketChannelSelectionKeyImpl.java 2006-12-14 09:29:10 UTC (rev 2908)
+++ trunk/core/src/classpath/gnu/gnu/java/nio/SocketChannelSelectionKeyImpl.java 2006-12-14 09:30:34 UTC (rev 2909)
@@ -1,69 +1,78 @@
-/* SocketChannelSelectionKey.java -- Selection key for Socket Channel
- Copyright (C) 2005 Free Software Foundation, Inc.
-
-This file is part of GNU Classpath.
-
-GNU Classpath is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU Classpath is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; see the file COPYING. If not, write to the
-Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library. Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module. An independent module is a module which is not derived from
-or based on this library. If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so. If you do not wish to do so, delete this
-exception statement from your version. */
-
-
-package gnu.java.nio;
-
-
-/**
- * @author Michael Barker <mi...@mi...>
- *
- */
-public class SocketChannelSelectionKeyImpl extends SelectionKeyImpl
-{
-
- SocketChannelImpl ch;
-
- /**
- * @param ch
- * @param impl
- */
- public SocketChannelSelectionKeyImpl(SocketChannelImpl ch, SelectorImpl impl)
- {
- super(ch, impl);
- this.ch = (SocketChannelImpl) ch;
- }
-
- /**
- * Returns the native file/socket descriptor as an int.
- */
- public int getNativeFD()
- {
- return ch.getPlainSocketImpl().getNativeFD();
- }
-
-}
+/* SocketChannelSelectionKey.java -- Selection key for Socket Channel
+ Copyright (C) 2005 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package gnu.java.nio;
+
+import java.io.IOException;
+
+
+/**
+ * @author Michael Barker <mi...@mi...>
+ *
+ */
+public class SocketChannelSelectionKeyImpl extends SelectionKeyImpl
+{
+
+ SocketChannelImpl ch;
+
+ /**
+ * @param ch
+ * @param impl
+ */
+ public SocketChannelSelectionKeyImpl(SocketChannelImpl ch, SelectorImpl impl)
+ {
+ super(ch, impl);
+ this.ch = (SocketChannelImpl) ch;
+ }
+
+ /**
+ * Returns the native file/socket descriptor as an int.
+ */
+ public int getNativeFD()
+ {
+ try
+ {
+ return ch.getVMChannel().getState().getNativeFD();
+ }
+ catch (IOException ioe)
+ {
+ return 0; // FIXME
+ }
+ }
+
+}
This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.
|
|
From: <hag...@us...> - 2006-12-14 09:29:11
|
Revision: 2908
http://jnode.svn.sourceforge.net/jnode/?rev=2908&view=rev
Author: hagar-wize
Date: 2006-12-14 01:29:10 -0800 (Thu, 14 Dec 2006)
Log Message:
-----------
Classpath patches
Modified Paths:
--------------
trunk/core/src/classpath/gnu/gnu/java/nio/PipeImpl.java
trunk/core/src/classpath/gnu/gnu/java/nio/SelectionKeyImpl.java
trunk/core/src/classpath/gnu/gnu/java/nio/SelectorImpl.java
trunk/core/src/classpath/gnu/gnu/java/nio/SelectorProviderImpl.java
trunk/core/src/classpath/gnu/gnu/java/nio/ServerSocketChannelImpl.java
trunk/core/src/classpath/gnu/gnu/java/nio/ServerSocketChannelSelectionKey.java
Added Paths:
-----------
trunk/core/src/classpath/gnu/gnu/java/nio/VMChannelOwner.java
Modified: trunk/core/src/classpath/gnu/gnu/java/nio/PipeImpl.java
===================================================================
--- trunk/core/src/classpath/gnu/gnu/java/nio/PipeImpl.java 2006-12-14 09:24:37 UTC (rev 2907)
+++ trunk/core/src/classpath/gnu/gnu/java/nio/PipeImpl.java 2006-12-14 09:29:10 UTC (rev 2908)
@@ -37,6 +37,7 @@
package gnu.java.nio;
+
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.channels.Pipe;
@@ -45,38 +46,39 @@
class PipeImpl extends Pipe
{
public static final class SourceChannelImpl extends Pipe.SourceChannel
+ implements VMChannelOwner
{
- private int native_fd;
+ private VMChannel vmch;
public SourceChannelImpl (SelectorProvider selectorProvider,
- int native_fd)
+ VMChannel channel)
{
super (selectorProvider);
- this.native_fd = native_fd;
+ vmch = channel;
}
protected final void implCloseSelectableChannel()
throws IOException
{
- throw new Error ("Not implemented");
+ vmch.close();
}
protected void implConfigureBlocking (boolean blocking)
throws IOException
{
- throw new Error ("Not implemented");
+ vmch.setBlocking(blocking);
}
public final int read (ByteBuffer src)
throws IOException
{
- throw new Error ("Not implemented");
+ return vmch.read(src);
}
public final long read (ByteBuffer[] srcs)
throws IOException
{
- return read (srcs, 0, srcs.length);
+ return vmch.readScattering(srcs, 0, srcs.length);
}
public final synchronized long read (ByteBuffer[] srcs, int offset,
@@ -89,54 +91,49 @@
|| len > srcs.length - offset)
throw new IndexOutOfBoundsException();
- long bytesRead = 0;
-
- for (int index = 0; index < len; index++)
- bytesRead += read (srcs [offset + index]);
-
- return bytesRead;
-
+ return vmch.readScattering(srcs, offset, len);
}
- public final int getNativeFD()
+ public VMChannel getVMChannel()
{
- return native_fd;
+ return vmch;
}
}
public static final class SinkChannelImpl extends Pipe.SinkChannel
+ implements VMChannelOwner
{
- private int native_fd;
+ private VMChannel vmch;
public SinkChannelImpl (SelectorProvider selectorProvider,
- int native_fd)
+ VMChannel channel)
{
super (selectorProvider);
- this.native_fd = native_fd;
+ vmch = channel;
}
protected final void implCloseSelectableChannel()
throws IOException
{
- throw new Error ("Not implemented");
+ vmch.close();
}
protected final void implConfigureBlocking (boolean blocking)
throws IOException
{
- throw new Error ("Not implemented");
+ vmch.setBlocking(blocking);
}
public final int write (ByteBuffer dst)
throws IOException
{
- throw new Error ("Not implemented");
+ return vmch.write(dst);
}
public final long write (ByteBuffer[] srcs)
throws IOException
{
- return write (srcs, 0, srcs.length);
+ return vmch.writeGathering(srcs, 0, srcs.length);
}
public final synchronized long write (ByteBuffer[] srcs, int offset, int len)
@@ -148,17 +145,12 @@
|| len > srcs.length - offset)
throw new IndexOutOfBoundsException();
- long bytesWritten = 0;
-
- for (int index = 0; index < len; index++)
- bytesWritten += write (srcs [offset + index]);
-
- return bytesWritten;
+ return vmch.writeGathering(srcs, offset, len);
}
- public final int getNativeFD()
+ public VMChannel getVMChannel()
{
- return native_fd;
+ return vmch;
}
}
@@ -169,7 +161,9 @@
throws IOException
{
super();
- VMPipe.init (this, provider);
+ VMChannel[] pipe = VMPipe.pipe();
+ sink = new SinkChannelImpl(provider, pipe[0]);
+ source = new SourceChannelImpl(provider, pipe[1]);
}
public Pipe.SinkChannel sink()
Modified: trunk/core/src/classpath/gnu/gnu/java/nio/SelectionKeyImpl.java
===================================================================
--- trunk/core/src/classpath/gnu/gnu/java/nio/SelectionKeyImpl.java 2006-12-14 09:24:37 UTC (rev 2907)
+++ trunk/core/src/classpath/gnu/gnu/java/nio/SelectionKeyImpl.java 2006-12-14 09:29:10 UTC (rev 2908)
@@ -1,5 +1,5 @@
/* SelectionKeyImpl.java --
- Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2003, 2006 Free Software Foundation, Inc.
This file is part of GNU Classpath.
@@ -47,8 +47,8 @@
{
private int readyOps;
private int interestOps;
- private SelectorImpl impl;
- SelectableChannel ch;
+ private final SelectorImpl impl;
+ final SelectableChannel ch;
public SelectionKeyImpl (SelectableChannel ch, SelectorImpl impl)
{
@@ -61,7 +61,7 @@
return ch;
}
- public int readyOps ()
+ public synchronized int readyOps ()
{
if (!isValid())
throw new CancelledKeyException();
@@ -69,7 +69,7 @@
return readyOps;
}
- public SelectionKey readyOps (int ops)
+ public synchronized SelectionKey readyOps (int ops)
{
if (!isValid())
throw new CancelledKeyException();
@@ -83,15 +83,21 @@
if (!isValid())
throw new CancelledKeyException();
- return interestOps;
+ synchronized (impl.selectedKeys())
+ {
+ return interestOps;
}
+ }
public SelectionKey interestOps (int ops)
{
if (!isValid())
throw new CancelledKeyException();
+ synchronized (impl.selectedKeys())
+ {
interestOps = ops;
+ }
return this;
}
@@ -100,5 +106,6 @@
return impl;
}
+ /* @deprecated */
public abstract int getNativeFD();
}
Modified: trunk/core/src/classpath/gnu/gnu/java/nio/SelectorImpl.java
===================================================================
--- trunk/core/src/classpath/gnu/gnu/java/nio/SelectorImpl.java 2006-12-14 09:24:37 UTC (rev 2907)
+++ trunk/core/src/classpath/gnu/gnu/java/nio/SelectorImpl.java 2006-12-14 09:29:10 UTC (rev 2908)
@@ -54,8 +54,8 @@
public class SelectorImpl extends AbstractSelector
{
- private Set keys;
- private Set selected;
+ private Set<SelectionKey> keys;
+ private Set<SelectionKey> selected;
/**
* A dummy object whose monitor regulates access to both our
@@ -83,8 +83,8 @@
{
super (provider);
- keys = new HashSet ();
- selected = new HashSet ();
+ keys = new HashSet<SelectionKey> ();
+ selected = new HashSet<SelectionKey> ();
}
protected void finalize() throws Throwable
@@ -110,7 +110,7 @@
}
}
- public final Set keys()
+ public final Set<SelectionKey> keys()
{
if (!isOpen())
throw new ClosedSelectorException();
@@ -136,7 +136,7 @@
{
int[] result;
int counter = 0;
- Iterator it = keys.iterator ();
+ Iterator<SelectionKey> it = keys.iterator ();
// Count the number of file descriptors needed
while (it.hasNext ())
@@ -253,7 +253,7 @@
selectThread = null;
}
- Iterator it = keys.iterator ();
+ Iterator<SelectionKey> it = keys.iterator ();
while (it.hasNext ())
{
@@ -317,7 +317,7 @@
}
}
- public final Set selectedKeys()
+ public final Set<SelectionKey> selectedKeys()
{
if (!isOpen())
throw new ClosedSelectorException();
@@ -350,10 +350,10 @@
private final void deregisterCancelledKeys()
{
- Set ckeys = cancelledKeys ();
+ Set<SelectionKey> ckeys = cancelledKeys ();
synchronized (ckeys)
{
- Iterator it = ckeys.iterator();
+ Iterator<SelectionKey> it = ckeys.iterator();
while (it.hasNext ())
{
Modified: trunk/core/src/classpath/gnu/gnu/java/nio/SelectorProviderImpl.java
===================================================================
--- trunk/core/src/classpath/gnu/gnu/java/nio/SelectorProviderImpl.java 2006-12-14 09:24:37 UTC (rev 2907)
+++ trunk/core/src/classpath/gnu/gnu/java/nio/SelectorProviderImpl.java 2006-12-14 09:29:10 UTC (rev 2908)
@@ -37,6 +37,9 @@
package gnu.java.nio;
+
+import gnu.classpath.SystemProperties;
+
import java.io.IOException;
import java.nio.channels.DatagramChannel;
import java.nio.channels.Pipe;
@@ -47,6 +50,11 @@
public class SelectorProviderImpl extends SelectorProvider
{
+ private static final String SELECTOR_IMPL_KQUEUE = "kqueue";
+ private static final String SELECTOR_IMPL_EPOLL = "epoll";
+ private static final String SELECTOR_IMPL = "gnu.java.nio.selectorImpl";
+ private static boolean epoll_failed = false;
+
public SelectorProviderImpl ()
{
}
@@ -66,6 +74,35 @@
public AbstractSelector openSelector ()
throws IOException
{
+ String selectorImpl = "default";
+ if (KqueueSelectorImpl.kqueue_supported())
+ selectorImpl = SELECTOR_IMPL_KQUEUE;
+ if (EpollSelectorImpl.epoll_supported() && !epoll_failed)
+ selectorImpl = SELECTOR_IMPL_EPOLL;
+ selectorImpl = SystemProperties.getProperty(SELECTOR_IMPL, selectorImpl);
+
+ if (selectorImpl.equals(SELECTOR_IMPL_KQUEUE))
+ return new KqueueSelectorImpl(this);
+
+ if (selectorImpl.equals(SELECTOR_IMPL_EPOLL))
+ {
+ // We jump through these hoops because even though epoll may look
+ // like it's available (sys/epoll.h exists, and you can link against
+ // all the epoll functions) it may not be available in the kernel
+ // (especially 2.4 kernels), meaning you will get ENOSYS at run time.
+ //
+ // Madness!
+ try
+ {
+ return new EpollSelectorImpl(this);
+ }
+ catch (InternalError e)
+ {
+ // epoll_create throws this on ENOSYS.
+ epoll_failed = true;
+ }
+ }
+
return new SelectorImpl (this);
}
Modified: trunk/core/src/classpath/gnu/gnu/java/nio/ServerSocketChannelImpl.java
===================================================================
--- trunk/core/src/classpath/gnu/gnu/java/nio/ServerSocketChannelImpl.java 2006-12-14 09:24:37 UTC (rev 2907)
+++ trunk/core/src/classpath/gnu/gnu/java/nio/ServerSocketChannelImpl.java 2006-12-14 09:29:10 UTC (rev 2908)
@@ -48,7 +48,9 @@
import java.nio.channels.spi.SelectorProvider;
public final class ServerSocketChannelImpl extends ServerSocketChannel
+ implements VMChannelOwner
{
+ private VMChannel channel;
private NIOServerSocket serverSocket;
private boolean connected;
@@ -56,13 +58,15 @@
throws IOException
{
super (provider);
- serverSocket = new NIOServerSocket (this);
+ serverSocket = new NIOServerSocket(this);
+ channel = serverSocket.getPlainSocketImpl().getVMChannel();
configureBlocking(true);
- }
+ }
+ // XXX do we need this?
public void finalizer()
{
- if (connected)
+ if (channel.getState().isValid())
{
try
{
@@ -70,20 +74,20 @@
}
catch (Exception e)
{
- }
- }
- }
+ }
+ }
+ }
protected void implCloseSelectableChannel () throws IOException
{
- connected = false;
- serverSocket.close();
- }
+ connected = false;
+ channel.close();
+ }
protected void implConfigureBlocking (boolean blocking) throws IOException
{
- serverSocket.setSoTimeout (blocking ? 0 : NIOConstants.DEFAULT_TIMEOUT);
- }
+ channel.setBlocking(blocking);
+ }
public SocketChannel accept () throws IOException
{
@@ -98,27 +102,28 @@
try
{
begin();
- serverSocket.getPlainSocketImpl().setInChannelOperation(true);
- // indicate that a channel is initiating the accept operation
- // so that the socket ignores the fact that we might be in
- // non-blocking mode.
- NIOSocket socket = (NIOSocket) serverSocket.accept();
- completed = true;
- return socket.getChannel();
+ VMChannel client = channel.accept();
+ if (client == null)
+ return null;
+ else
+ {
+ completed = true;
+ return new SocketChannelImpl(provider(), client, false);
+ }
}
- catch (SocketTimeoutException e)
- {
- return null;
- }
finally
{
- serverSocket.getPlainSocketImpl().setInChannelOperation(false);
end (completed);
}
- }
+ }
- public ServerSocket socket ()
+ public ServerSocket socket()
{
return serverSocket;
- }
+ }
+
+ public VMChannel getVMChannel()
+ {
+ return channel;
+ }
}
Modified: trunk/core/src/classpath/gnu/gnu/java/nio/ServerSocketChannelSelectionKey.java
===================================================================
--- trunk/core/src/classpath/gnu/gnu/java/nio/ServerSocketChannelSelectionKey.java 2006-12-14 09:24:37 UTC (rev 2907)
+++ trunk/core/src/classpath/gnu/gnu/java/nio/ServerSocketChannelSelectionKey.java 2006-12-14 09:29:10 UTC (rev 2908)
@@ -38,6 +38,7 @@
package gnu.java.nio;
+import java.io.IOException;
import java.nio.channels.spi.AbstractSelectableChannel;
public final class ServerSocketChannelSelectionKey
@@ -49,10 +50,16 @@
super (channel, selector);
}
+ // FIXME don't use file descriptor integers
public int getNativeFD()
{
- NIOServerSocket socket =
- (NIOServerSocket) ((ServerSocketChannelImpl) ch).socket();
- return socket.getPlainSocketImpl().getNativeFD();
+ try
+ {
+ return ((ServerSocketChannelImpl) ch).getVMChannel().getState().getNativeFD();
+ }
+ catch (IOException ioe)
+ {
+ throw new IllegalStateException(ioe);
+ }
}
}
Added: trunk/core/src/classpath/gnu/gnu/java/nio/VMChannelOwner.java
===================================================================
--- trunk/core/src/classpath/gnu/gnu/java/nio/VMChannelOwner.java (rev 0)
+++ trunk/core/src/classpath/gnu/gnu/java/nio/VMChannelOwner.java 2006-12-14 09:29:10 UTC (rev 2908)
@@ -0,0 +1,57 @@
+/* NativeFD.java -- interface for Channels that have an underlying file descriptor.
+ Copyright (C) 2006 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package gnu.java.nio;
+
+/**
+ * This interface is meant to be implemented by any {@link Channel}
+ * implementation we support that uses a platform-specific {@link VMChannel}
+ * at their core. This is primarily used by {@link Selector} implementations,
+ * for easier access to the native state.
+ *
+ * @author Casey Marshall (cs...@gn...)
+ */
+interface VMChannelOwner
+{
+ /**
+ * Return the underlying platform-specific Channel instance.
+ *
+ * @return The platform channel object.
+ */
+ VMChannel getVMChannel();
+}
This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.
|
|
From: <hag...@us...> - 2006-12-14 09:24:38
|
Revision: 2907
http://jnode.svn.sourceforge.net/jnode/?rev=2907&view=rev
Author: hagar-wize
Date: 2006-12-14 01:24:37 -0800 (Thu, 14 Dec 2006)
Log Message:
-----------
Classpath patches
Modified Paths:
--------------
trunk/core/src/classpath/gnu/gnu/java/nio/DatagramChannelImpl.java
trunk/core/src/classpath/gnu/gnu/java/nio/DatagramChannelSelectionKey.java
trunk/core/src/classpath/gnu/gnu/java/nio/FileLockImpl.java
trunk/core/src/classpath/gnu/gnu/java/nio/NIOSocket.java
Added Paths:
-----------
trunk/core/src/classpath/gnu/gnu/java/nio/EpollSelectionKeyImpl.java
trunk/core/src/classpath/gnu/gnu/java/nio/EpollSelectorImpl.java
trunk/core/src/classpath/gnu/gnu/java/nio/KqueueSelectionKeyImpl.java
trunk/core/src/classpath/gnu/gnu/java/nio/KqueueSelectorImpl.java
trunk/core/src/classpath/gnu/gnu/java/nio/NIOSocketImpl.java
Modified: trunk/core/src/classpath/gnu/gnu/java/nio/DatagramChannelImpl.java
===================================================================
--- trunk/core/src/classpath/gnu/gnu/java/nio/DatagramChannelImpl.java 2006-12-13 19:25:39 UTC (rev 2906)
+++ trunk/core/src/classpath/gnu/gnu/java/nio/DatagramChannelImpl.java 2006-12-14 09:24:37 UTC (rev 2907)
@@ -55,8 +55,10 @@
* @author Michael Koch
*/
public final class DatagramChannelImpl extends DatagramChannel
+ implements VMChannelOwner
{
private NIODatagramSocket socket;
+ private VMChannel channel;
/**
* Indicates whether this channel initiated whatever operation
@@ -64,6 +66,16 @@
*/
private boolean inChannelOperation;
+ protected DatagramChannelImpl (SelectorProvider provider)
+ throws IOException
+ {
+ super (provider);
+ socket = new NIODatagramSocket (new PlainDatagramSocketImpl(), this);
+ channel = new VMChannel();
+ channel.initSocket(false);
+ configureBlocking(true);
+ }
+
/**
* Indicates whether our datagram socket should ignore whether
* we are set to non-blocking mode. Certain operations on our
@@ -85,14 +97,6 @@
inChannelOperation = b;
}
- protected DatagramChannelImpl (SelectorProvider provider)
- throws IOException
- {
- super (provider);
- socket = new NIODatagramSocket (new PlainDatagramSocketImpl(), this);
- configureBlocking(true);
- }
-
public DatagramSocket socket ()
{
return socket;
@@ -101,13 +105,13 @@
protected void implCloseSelectableChannel ()
throws IOException
{
- socket.close ();
+ channel.close();
}
protected void implConfigureBlocking (boolean blocking)
throws IOException
{
- socket.setSoTimeout (blocking ? 0 : NIOConstants.DEFAULT_TIMEOUT);
+ channel.setBlocking(blocking);
}
public DatagramChannel connect (SocketAddress remote)
@@ -116,29 +120,43 @@
if (!isOpen())
throw new ClosedChannelException();
- socket.connect (remote);
+ try
+ {
+ channel.connect((InetSocketAddress) remote, 0);
+ }
+ catch (ClassCastException cce)
+ {
+ throw new IOException("unsupported socked address type");
+ }
return this;
}
public DatagramChannel disconnect ()
throws IOException
{
- socket.disconnect ();
+ channel.disconnect();
return this;
}
- public boolean isConnected ()
+ public boolean isConnected()
{
- return socket.isConnected ();
+ try
+ {
+ return channel.getPeerAddress() != null;
+ }
+ catch (IOException ioe)
+ {
+ return false;
+ }
}
-
+
public int write (ByteBuffer src)
throws IOException
{
if (!isConnected ())
throw new NotYetConnectedException ();
- return send (src, socket.getRemoteSocketAddress());
+ return channel.write(src);
}
public long write (ByteBuffer[] srcs, int offset, int length)
@@ -152,13 +170,11 @@
|| (length < 0)
|| (length > (srcs.length - offset)))
throw new IndexOutOfBoundsException();
-
- long result = 0;
- for (int index = offset; index < offset + length; index++)
- result += write (srcs [index]);
-
- return result;
+ /* We are connected, meaning we will write these bytes to
+ * the host we connected to, so we don't need to explicitly
+ * give the host. */
+ return channel.writeGathering(srcs, offset, length);
}
public int read (ByteBuffer dst)
@@ -167,9 +183,7 @@
if (!isConnected ())
throw new NotYetConnectedException ();
- int remaining = dst.remaining();
- receive (dst);
- return remaining - dst.remaining();
+ return channel.read(dst);
}
public long read (ByteBuffer[] dsts, int offset, int length)
@@ -184,12 +198,8 @@
|| (length > (dsts.length - offset)))
throw new IndexOutOfBoundsException();
- long result = 0;
-
- for (int index = offset; index < offset + length; index++)
- result += read (dsts [index]);
-
- return result;
+ /* Likewise, see the comment int write above. */
+ return channel.readScattering(dsts, offset, length);
}
public SocketAddress receive (ByteBuffer dst)
@@ -200,51 +210,14 @@
try
{
- DatagramPacket packet;
- int len = dst.remaining();
-
- if (dst.hasArray())
- {
- packet = new DatagramPacket (dst.array(),
- dst.arrayOffset() + dst.position(),
- len);
- }
- else
- {
- packet = new DatagramPacket (new byte [len], len);
- }
-
- boolean completed = false;
-
- try
- {
- begin();
- setInChannelOperation(true);
- socket.receive (packet);
- completed = true;
- }
- finally
- {
- end (completed);
- setInChannelOperation(false);
- }
-
- if (!dst.hasArray())
- {
- dst.put (packet.getData(), packet.getOffset(), packet.getLength());
- }
- else
- {
- dst.position (dst.position() + packet.getLength());
- }
-
- return packet.getSocketAddress();
+ begin();
+ return channel.receive(dst);
}
- catch (SocketTimeoutException e)
- {
- return null;
+ finally
+ {
+ end(true);
+ }
}
- }
public int send (ByteBuffer src, SocketAddress target)
throws IOException
@@ -252,46 +225,18 @@
if (!isOpen())
throw new ClosedChannelException();
- if (target instanceof InetSocketAddress
- && ((InetSocketAddress) target).isUnresolved())
+ if (!(target instanceof InetSocketAddress))
+ throw new IOException("can only send to inet socket addresses");
+
+ InetSocketAddress dst = (InetSocketAddress) target;
+ if (dst.isUnresolved())
throw new IOException("Target address not resolved");
- byte[] buffer;
- int offset = 0;
- int len = src.remaining();
-
- if (src.hasArray())
- {
- buffer = src.array();
- offset = src.arrayOffset() + src.position();
- }
- else
- {
- buffer = new byte [len];
- src.get (buffer);
+ return channel.send(src, dst);
}
-
- DatagramPacket packet = new DatagramPacket (buffer, offset, len, target);
-
- boolean completed = false;
- try
+
+ public VMChannel getVMChannel()
{
- begin();
- setInChannelOperation(true);
- socket.send(packet);
- completed = true;
- }
- finally
- {
- end (completed);
- setInChannelOperation(false);
- }
-
- if (src.hasArray())
- {
- src.position (src.position() + len);
- }
-
- return len;
+ return channel;
}
}
Modified: trunk/core/src/classpath/gnu/gnu/java/nio/DatagramChannelSelectionKey.java
===================================================================
--- trunk/core/src/classpath/gnu/gnu/java/nio/DatagramChannelSelectionKey.java 2006-12-13 19:25:39 UTC (rev 2906)
+++ trunk/core/src/classpath/gnu/gnu/java/nio/DatagramChannelSelectionKey.java 2006-12-14 09:24:37 UTC (rev 2907)
@@ -38,6 +38,7 @@
package gnu.java.nio;
+import java.io.IOException;
import java.nio.channels.spi.AbstractSelectableChannel;
/**
@@ -52,10 +53,16 @@
super (channel, selector);
}
+ // FIXME don't use file descriptor integers
public int getNativeFD()
{
- NIODatagramSocket socket =
- (NIODatagramSocket) ((DatagramChannelImpl) ch).socket();
- return socket.getPlainDatagramSocketImpl().getNativeFD();
+ try
+ {
+ return ((DatagramChannelImpl) ch).getVMChannel().getState().getNativeFD();
+ }
+ catch (IOException ioe)
+ {
+ throw new IllegalStateException(ioe);
+ }
}
}
Added: trunk/core/src/classpath/gnu/gnu/java/nio/EpollSelectionKeyImpl.java
===================================================================
--- trunk/core/src/classpath/gnu/gnu/java/nio/EpollSelectionKeyImpl.java (rev 0)
+++ trunk/core/src/classpath/gnu/gnu/java/nio/EpollSelectionKeyImpl.java 2006-12-14 09:24:37 UTC (rev 2907)
@@ -0,0 +1,122 @@
+/* EpollSelectionKeyImpl.java -- selection key for the epoll selector.
+ Copyright (C) 2006 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package gnu.java.nio;
+
+import java.io.IOException;
+import java.nio.channels.CancelledKeyException;
+import java.nio.channels.SelectableChannel;
+import java.nio.channels.SelectionKey;
+import java.nio.channels.Selector;
+import java.nio.channels.spi.AbstractSelectionKey;
+
+/**
+ * @author Casey Marshall (cs...@gn...)
+ */
+public class EpollSelectionKeyImpl extends AbstractSelectionKey
+{
+ final int fd;
+ private final EpollSelectorImpl selector;
+ private final SelectableChannel channel;
+ int interestOps;
+ int selectedOps;
+ int key;
+ boolean valid;
+ boolean cancelled;
+
+ EpollSelectionKeyImpl(EpollSelectorImpl selector,
+ SelectableChannel channel, int fd)
+ {
+ this.selector = selector;
+ this.channel = channel;
+ this.fd = fd;
+ }
+
+ /* (non-Javadoc)
+ * @see java.nio.channels.SelectionKey#channel()
+ */
+ public SelectableChannel channel()
+ {
+ return channel;
+ }
+
+ /* (non-Javadoc)
+ * @see java.nio.channels.SelectionKey#interestOps()
+ */
+ public int interestOps()
+ {
+ return interestOps;
+ }
+
+ /* (non-Javadoc)
+ * @see java.nio.channels.SelectionKey#interestOps(int)
+ */
+ public SelectionKey interestOps(int ops)
+ {
+ if (cancelled)
+ throw new CancelledKeyException();
+ if ((ops & ~(channel.validOps())) != 0)
+ throw new IllegalArgumentException("unsupported channel ops");
+ try
+ {
+ selector.epoll_modify(this, ops);
+ interestOps = ops;
+ }
+ catch (IOException ioe)
+ {
+ throw new IllegalArgumentException(ioe);
+ }
+ return this;
+ }
+
+ /* (non-Javadoc)
+ * @see java.nio.channels.SelectionKey#readyOps()
+ */
+ public int readyOps()
+ {
+ return selectedOps;
+ }
+
+ /* (non-Javadoc)
+ * @see java.nio.channels.SelectionKey#selector()
+ */
+ public Selector selector()
+ {
+ return selector;
+ }
+}
Added: trunk/core/src/classpath/gnu/gnu/java/nio/EpollSelectorImpl.java
===================================================================
--- trunk/core/src/classpath/gnu/gnu/java/nio/EpollSelectorImpl.java (rev 0)
+++ trunk/core/src/classpath/gnu/gnu/java/nio/EpollSelectorImpl.java 2006-12-14 09:24:37 UTC (rev 2907)
@@ -0,0 +1,399 @@
+/* EpollSelectorImpl.java -- selector implementation using epoll
+ Copyright (C) 2006 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package gnu.java.nio;
+
+import gnu.classpath.Configuration;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.nio.channels.SelectableChannel;
+import java.nio.channels.SelectionKey;
+import java.nio.channels.Selector;
+import java.nio.channels.spi.AbstractSelectableChannel;
+import java.nio.channels.spi.AbstractSelector;
+import java.nio.channels.spi.SelectorProvider;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Set;
+
+/**
+ * An implementation of {@link Selector} that uses the epoll event
+ * notification mechanism on GNU/Linux.
+ *
+ * @author Casey Marshall (cs...@gn...)
+ */
+public class EpollSelectorImpl extends AbstractSelector
+{
+ // XXX is this reasonable? Does it matter?
+ private static final int DEFAULT_EPOLL_SIZE = 128;
+ private static final int sizeof_struct_epoll_event;
+
+ private static final int OP_ACCEPT = SelectionKey.OP_ACCEPT;
+ private static final int OP_CONNECT = SelectionKey.OP_CONNECT;
+ private static final int OP_READ = SelectionKey.OP_READ;
+ private static final int OP_WRITE = SelectionKey.OP_WRITE;
+
+ /** our epoll file descriptor. */
+ private int epoll_fd;
+
+ private final HashMap keys;
+ private Set selectedKeys;
+ private Thread waitingThread;
+ private ByteBuffer events;
+
+ private static final int INITIAL_CAPACITY;
+ private static final int MAX_DOUBLING_CAPACITY;
+ private static final int CAPACITY_INCREMENT;
+
+ static
+ {
+ if (Configuration.INIT_LOAD_LIBRARY)
+ System.loadLibrary("javanio");
+
+ if (epoll_supported())
+ sizeof_struct_epoll_event = sizeof_struct();
+ else
+ sizeof_struct_epoll_event = -1;
+
+ INITIAL_CAPACITY = 64 * sizeof_struct_epoll_event;
+ MAX_DOUBLING_CAPACITY = 1024 * sizeof_struct_epoll_event;
+ CAPACITY_INCREMENT = 128 * sizeof_struct_epoll_event;
+ }
+
+ public EpollSelectorImpl(SelectorProvider provider)
+ throws IOException
+ {
+ super(provider);
+ epoll_fd = epoll_create(DEFAULT_EPOLL_SIZE);
+ keys = new HashMap();
+ selectedKeys = null;
+ events = ByteBuffer.allocateDirect(INITIAL_CAPACITY);
+ }
+
+ /* (non-Javadoc)
+ * @see java.nio.channels.Selector#keys()
+ */
+ public Set keys()
+ {
+ return new HashSet(keys.values());
+ }
+
+ /* (non-Javadoc)
+ * @see java.nio.channels.Selector#select()
+ */
+ public int select() throws IOException
+ {
+ return doSelect(-1);
+ }
+
+ /* (non-Javadoc)
+ * @see java.nio.channels.Selector#select(long)
+ */
+ public int select(long timeout) throws IOException
+ {
+ if (timeout > Integer.MAX_VALUE)
+ throw new IllegalArgumentException("timeout is too large");
+ if (timeout < 0)
+ throw new IllegalArgumentException("invalid timeout");
+ return doSelect((int) timeout);
+ }
+
+ private int doSelect(int timeout) throws IOException
+ {
+ synchronized (keys)
+ {
+ Set cancelledKeys = cancelledKeys();
+ synchronized (cancelledKeys)
+ {
+ for (Iterator it = cancelledKeys.iterator(); it.hasNext(); )
+ {
+ EpollSelectionKeyImpl key = (EpollSelectionKeyImpl) it.next();
+ epoll_delete(epoll_fd, key.fd);
+ key.valid = false;
+ keys.remove(Integer.valueOf(key.fd));
+ it.remove();
+ deregister(key);
+ }
+
+ // Clear out closed channels. The fds are removed from the epoll
+ // fd when closed, so there is no need to remove them manually.
+ for (Iterator it = keys.values().iterator(); it.hasNext(); )
+ {
+ EpollSelectionKeyImpl key = (EpollSelectionKeyImpl) it.next();
+ SelectableChannel ch = key.channel();
+ if (ch instanceof VMChannelOwner)
+ {
+ if (!((VMChannelOwner) ch).getVMChannel().getState().isValid())
+ it.remove();
+ }
+ }
+
+ // Don't bother if we have nothing to select.
+ if (keys.isEmpty())
+ return 0;
+
+ int ret;
+ try
+ {
+ begin();
+ waitingThread = Thread.currentThread();
+ ret = epoll_wait(epoll_fd, events, keys.size(), timeout);
+ }
+ finally
+ {
+ Thread.interrupted();
+ waitingThread = null;
+ end();
+ }
+
+ HashSet s = new HashSet(ret);
+ for (int i = 0; i < ret; i++)
+ {
+ events.position(i * sizeof_struct_epoll_event);
+ ByteBuffer b = events.slice();
+ int fd = selected_fd(b);
+ EpollSelectionKeyImpl key
+ = (EpollSelectionKeyImpl) keys.get(Integer.valueOf(fd));
+ if (key == null)
+ throw new IOException("fd was selected, but no key found");
+ key.selectedOps = selected_ops(b) & key.interestOps;
+ s.add(key);
+ }
+
+ reallocateBuffer();
+
+ selectedKeys = s;
+ return ret;
+ }
+ }
+ }
+
+ /* (non-Javadoc)
+ * @see java.nio.channels.Selector#selectedKeys()
+ */
+ public Set selectedKeys()
+ {
+ if (selectedKeys == null)
+ return Collections.EMPTY_SET;
+ return selectedKeys;
+ }
+
+ /* (non-Javadoc)
+ * @see java.nio.channels.Selector#selectNow()
+ */
+ public int selectNow() throws IOException
+ {
+ return doSelect(0);
+ }
+
+ /* (non-Javadoc)
+ * @see java.nio.channels.Selector#wakeup()
+ */
+ public Selector wakeup()
+ {
+ try
+ {
+ waitingThread.interrupt();
+ }
+ catch (NullPointerException npe)
+ {
+ // Ignored, thrown if we are not in a blocking op.
+ }
+ return this;
+ }
+
+ /* (non-Javadoc)
+ * @see java.nio.channels.spi.AbstractSelector#implCloseSelector()
+ */
+ protected void implCloseSelector() throws IOException
+ {
+ VMChannel.close(epoll_fd);
+ }
+
+ /* (non-Javadoc)
+ * @see java.nio.channels.spi.AbstractSelector#register(java.nio.channels.spi.AbstractSelectableChannel, int, java.lang.Object)
+ */
+ protected SelectionKey register(AbstractSelectableChannel ch, int ops, Object att)
+ {
+ if (!(ch instanceof VMChannelOwner))
+ throw new IllegalArgumentException("unsupported channel type");
+
+ VMChannel channel = ((VMChannelOwner) ch).getVMChannel();
+ try
+ {
+ int native_fd = channel.getState().getNativeFD();
+ synchronized (keys)
+ {
+ if (keys.containsKey(Integer.valueOf(native_fd)))
+ throw new IllegalArgumentException("channel already registered");
+ EpollSelectionKeyImpl result =
+ new EpollSelectionKeyImpl(this, ch, native_fd);
+ if ((ops & ~(ch.validOps())) != 0)
+ throw new IllegalArgumentException("invalid ops for channel");
+ result.interestOps = ops;
+ result.selectedOps = 0;
+ result.valid = true;
+ result.attach(att);
+ result.key = System.identityHashCode(result);
+ epoll_add(epoll_fd, result.fd, ops);
+ keys.put(Integer.valueOf(native_fd), result);
+ reallocateBuffer();
+ return result;
+ }
+ }
+ catch (IOException ioe)
+ {
+ throw new IllegalArgumentException(ioe);
+ }
+ }
+
+ private void reallocateBuffer()
+ {
+ // Ensure we have enough space for all potential events that may be
+ // returned.
+ if (events.capacity() < keys.size() * sizeof_struct_epoll_event)
+ {
+ int cap = events.capacity();
+ if (cap < MAX_DOUBLING_CAPACITY)
+ cap <<= 1;
+ else
+ cap += CAPACITY_INCREMENT;
+ events = ByteBuffer.allocateDirect(cap);
+ }
+ // Ensure that the events buffer is not too large, given the number of
+ // events registered.
+ else if (events.capacity() > keys.size() * sizeof_struct_epoll_event * 2 + 1
+ && events.capacity() > INITIAL_CAPACITY)
+ {
+ int cap = events.capacity() >>> 1;
+ events = ByteBuffer.allocateDirect(cap);
+ }
+ }
+
+ void epoll_modify(EpollSelectionKeyImpl key, int ops) throws IOException
+ {
+ epoll_modify(epoll_fd, key.fd, ops);
+ }
+
+ /**
+ * Tell if epoll is supported by this system, and support was compiled in.
+ *
+ * @return True if this system supports event notification with epoll.
+ */
+ public static native boolean epoll_supported();
+
+
+ /**
+ * Returns the size of `struct epoll_event'.
+ *
+ * @return The size of `struct epoll_event'.
+ */
+ private static native int sizeof_struct();
+
+
+ /**
+ * Open a new epoll file descriptor.
+ *
+ * @param size The size hint for the new epoll descriptor.
+ * @return The new file descriptor integer.
+ * @throws IOException If allocating a new epoll descriptor fails.
+ */
+ private static native int epoll_create(int size) throws IOException;
+
+ /**
+ * Add a file descriptor to this selector.
+ *
+ * @param efd The epoll file descriptor.
+ * @param fd The file descriptor to add (or modify).
+ * @param ops The interest opts.
+ */
+ private static native void epoll_add(int efd, int fd, int ops)
+ throws IOException;
+
+ /**
+ * Modify the interest ops of the key selecting for the given FD.
+ *
+ * @param efd The epoll file descriptor.
+ * @param fd The file descriptor to modify.
+ * @param ops The ops.
+ * @throws IOException
+ */
+ private static native void epoll_modify(int efd, int fd, int ops)
+ throws IOException;
+
+ /**
+ * Remove a file descriptor from this selector.
+ *
+ * @param efd The epoll file descriptor.
+ * @param fd The file descriptor.
+ * @throws IOException
+ */
+ private static native void epoll_delete(int efd, int fd) throws IOException;
+
+ /**
+ * Select events.
+ *
+ * @param efd The epoll file descriptor.
+ * @param state The buffer to hold selected events.
+ * @param n The number of events that may be put in `state'.
+ * @param timeout The timeout.
+ * @return The number of events selected.
+ * @throws IOException
+ */
+ private static native int epoll_wait(int efd, ByteBuffer state, int n, int timeout)
+ throws IOException;
+
+ /**
+ * Fetch the fd value from a selected struct epoll_event.
+ *
+ * @param struct The direct buffer holding the struct.
+ * @return The fd value.
+ */
+ private static native int selected_fd(ByteBuffer struct);
+
+ /**
+ * Fetch the enabled operations from a selected struct epoll_event.
+ *
+ * @param struct The direct buffer holding the struct.
+ * @return The selected operations.
+ */
+ private static native int selected_ops(ByteBuffer struct);
+}
Modified: trunk/core/src/classpath/gnu/gnu/java/nio/FileLockImpl.java
===================================================================
--- trunk/core/src/classpath/gnu/gnu/java/nio/FileLockImpl.java 2006-12-13 19:25:39 UTC (rev 2906)
+++ trunk/core/src/classpath/gnu/gnu/java/nio/FileLockImpl.java 2006-12-14 09:24:37 UTC (rev 2907)
@@ -38,8 +38,6 @@
package gnu.java.nio;
-import gnu.java.nio.channels.FileChannelImpl;
-
import java.io.IOException;
import java.nio.channels.FileLock;
Added: trunk/core/src/classpath/gnu/gnu/java/nio/KqueueSelectionKeyImpl.java
===================================================================
--- trunk/core/src/classpath/gnu/gnu/java/nio/KqueueSelectionKeyImpl.java (rev 0)
+++ trunk/core/src/classpath/gnu/gnu/java/nio/KqueueSelectionKeyImpl.java 2006-12-14 09:24:37 UTC (rev 2907)
@@ -0,0 +1,189 @@
+/* KqueueSelectionKeyImpl.java -- selection key for kqueue/kevent.
+ Copyright (C) 2006 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package gnu.java.nio;
+
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.nio.channels.SelectableChannel;
+import java.nio.channels.SelectionKey;
+import java.nio.channels.Selector;
+import java.nio.channels.spi.AbstractSelectionKey;
+
+/**
+ * @author Casey Marshall (cs...@gn...)
+ */
+public class KqueueSelectionKeyImpl extends AbstractSelectionKey
+{
+ int interestOps;
+ int readyOps;
+ int activeOps = 0;
+ int key;
+ int fd;
+
+ /** The selector we were created for. */
+ private final KqueueSelectorImpl selector;
+
+ /** The channel we are attached to. */
+ private final SelectableChannel channel;
+
+ private final VMChannelOwner natChannel;
+
+ public KqueueSelectionKeyImpl(KqueueSelectorImpl selector,
+ SelectableChannel channel)
+ {
+ this.selector = selector;
+ this.channel = channel;
+ natChannel = (VMChannelOwner) channel;
+ interestOps = 0;
+ readyOps = 0;
+ }
+
+ /* (non-Javadoc)
+ * @see java.nio.channels.SelectionKey#channel()
+ */
+ //@Override
+ public SelectableChannel channel()
+ {
+ return channel;
+ }
+
+ /* (non-Javadoc)
+ * @see java.nio.channels.SelectionKey#interestOps()
+ */
+ //@Override
+ public int interestOps()
+ {
+ return interestOps;
+ }
+
+ /* (non-Javadoc)
+ * @see java.nio.channels.SelectionKey#interestOps(int)
+ */
+ //@Override
+ public SelectionKey interestOps(int ops)
+ {
+ if (!isValid())
+ throw new IllegalStateException("key is invalid");
+ if ((ops & ~channel.validOps()) != 0)
+ throw new IllegalArgumentException("channel does not support all operations");
+
+ selector.setInterestOps(this, ops);
+ return this;
+ }
+
+ /* (non-Javadoc)
+ * @see java.nio.channels.SelectionKey#readyOps()
+ */
+ //@Override
+ public int readyOps()
+ {
+ return readyOps;
+ }
+
+ /* (non-Javadoc)
+ * @see java.nio.channels.SelectionKey#selector()
+ */
+ //@Override
+ public Selector selector()
+ {
+ return selector;
+ }
+
+ public String toString()
+ {
+ if (!isValid())
+ return super.toString() + " [ fd: " + fd + " <<invalid>> ]";
+ return super.toString() + " [ fd: " + fd + " interest ops: {"
+ + ((interestOps & OP_ACCEPT) != 0 ? " OP_ACCEPT" : "")
+ + ((interestOps & OP_CONNECT) != 0 ? " OP_CONNECT" : "")
+ + ((interestOps & OP_READ) != 0 ? " OP_READ" : "")
+ + ((interestOps & OP_WRITE) != 0 ? " OP_WRITE" : "")
+ + " }; ready ops: {"
+ + ((readyOps & OP_ACCEPT) != 0 ? " OP_ACCEPT" : "")
+ + ((readyOps & OP_CONNECT) != 0 ? " OP_CONNECT" : "")
+ + ((readyOps & OP_READ) != 0 ? " OP_READ" : "")
+ + ((readyOps & OP_WRITE) != 0 ? " OP_WRITE" : "")
+ + " } ]";
+ }
+
+ public int hashCode()
+ {
+ return fd;
+ }
+
+ public boolean equals(Object o)
+ {
+ if (!(o instanceof KqueueSelectionKeyImpl))
+ return false;
+ KqueueSelectionKeyImpl that = (KqueueSelectionKeyImpl) o;
+ return that.fd == this.fd && that.channel.equals(this.channel);
+ }
+
+
+ boolean isReadActive()
+ {
+ return (activeOps & (OP_READ | OP_ACCEPT)) != 0;
+ }
+
+ boolean isReadInterested()
+ {
+ return (interestOps & (OP_READ | OP_ACCEPT)) != 0;
+ }
+
+ boolean isWriteActive()
+ {
+ return (activeOps & (OP_WRITE | OP_CONNECT)) != 0;
+ }
+
+ boolean isWriteInterested()
+ {
+ return (interestOps & (OP_WRITE | OP_CONNECT)) != 0;
+ }
+
+ boolean needCommitRead()
+ {
+ return isReadActive() == (!isReadInterested());
+ }
+
+ boolean needCommitWrite()
+ {
+ return isWriteActive() == (!isWriteInterested());
+ }
+}
Added: trunk/core/src/classpath/gnu/gnu/java/nio/KqueueSelectorImpl.java
===================================================================
--- trunk/core/src/classpath/gnu/gnu/java/nio/KqueueSelectorImpl.java (rev 0)
+++ trunk/core/src/classpath/gnu/gnu/java/nio/KqueueSelectorImpl.java 2006-12-14 09:24:37 UTC (rev 2907)
@@ -0,0 +1,527 @@
+/* KqueueSelectorImpl.java -- Selector for systems with kqueue event notification.
+ Copyright (C) 2006 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package gnu.java.nio;
+
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.nio.channels.ClosedSelectorException;
+import java.nio.channels.SelectableChannel;
+import java.nio.channels.SelectionKey;
+import java.nio.channels.Selector;
+import java.nio.channels.spi.AbstractSelectableChannel;
+import java.nio.channels.spi.AbstractSelector;
+import java.nio.channels.spi.SelectorProvider;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * A {@link Selector} implementation that uses the <code>kqueue</code>
+ * event notification facility.
+ *
+ * @author Casey Marshall (cs...@gn...)
+ */
+public class KqueueSelectorImpl extends AbstractSelector
+{
+ // Prepended underscore to field name to make it distinct
+ // from the method with the similar name.
+ private static final int _sizeof_struct_kevent;
+
+ private static final int MAX_DOUBLING_CAPACITY = 16384;
+ private static final int CAP_INCREMENT = 1024;
+ private static final int INITIAL_CAPACITY;
+
+ static
+ {
+ try
+ {
+ System.loadLibrary("javanio");
+ }
+ catch (Exception x)
+ {
+ x.printStackTrace();
+ }
+
+ if (kqueue_supported ())
+ _sizeof_struct_kevent = sizeof_struct_kevent();
+ else
+ _sizeof_struct_kevent = -1;
+ INITIAL_CAPACITY = 16 * _sizeof_struct_kevent;
+ }
+
+ /**
+ * Tell if kqueue-based selectors are supported on this system.
+ *
+ * @return True if this system has kqueue support, and support for it was
+ * compiled in to Classpath.
+ */
+ public static native boolean kqueue_supported();
+
+ /* Our native file descriptor. */
+ private int kq;
+
+ private HashMap/*<Integer,KqueueSelectionKeyImpl>*/ keys;
+ private HashSet/*<KqueueSelectionKeyImpl>*/ selected;
+ private Thread blockedThread;
+ private ByteBuffer events;
+
+ private static final int OP_ACCEPT = SelectionKey.OP_ACCEPT;
+ private static final int OP_CONNECT = SelectionKey.OP_CONNECT;
+ private static final int OP_READ = SelectionKey.OP_READ;
+ private static final int OP_WRITE = SelectionKey.OP_WRITE;
+
+ public KqueueSelectorImpl(SelectorProvider provider) throws IOException
+ {
+ super(provider);
+ kq = implOpen();
+ keys = new HashMap/*<KqueueSelectionKeyImpl>*/();
+ events = ByteBuffer.allocateDirect(INITIAL_CAPACITY);
+ }
+
+ protected void implCloseSelector() throws IOException
+ {
+ implClose(kq);
+ kq = -1;
+ }
+
+ /* (non-Javadoc)
+ * @see java.nio.channels.Selector#keys()
+ */
+ public Set keys()
+ {
+ if (!isOpen())
+ throw new ClosedSelectorException();
+
+ return new HashSet(keys.values());
+ }
+
+ /* (non-Javadoc)
+ * @see java.nio.channels.Selector#select()
+ */
+ public int select() throws IOException
+ {
+ return doSelect(-1);
+ }
+
+ /* (non-Javadoc)
+ * @see java.nio.channels.Selector#select(long)
+ */
+ public int select(long timeout) throws IOException
+ {
+ if (timeout == 0)
+ timeout = -1;
+ return doSelect(timeout);
+ }
+
+ /* (non-Javadoc)
+ * @see java.nio.channels.Selector#selectedKeys()
+ */
+ public Set selectedKeys()
+ {
+ if (!isOpen())
+ throw new ClosedSelectorException();
+
+ return selected;
+ }
+
+ /* (non-Javadoc)
+ * @see java.nio.channels.Selector#selectNow()
+ */
+ public int selectNow() throws IOException
+ {
+ return doSelect(0);
+ }
+
+ /* (non-Javadoc)
+ * @see java.nio.channels.Selector#wakeup()
+ */
+ public Selector wakeup()
+ {
+ if (blockedThread != null)
+ blockedThread.interrupt();
+ return this;
+ }
+
+ public String toString()
+ {
+ return super.toString() + " [ fd: " + kq + " ]";
+ }
+
+ public boolean equals(Object o)
+ {
+ if (!(o instanceof KqueueSelectorImpl))
+ return false;
+
+ return ((KqueueSelectorImpl) o).kq == kq;
+ }
+
+ int doSelect(long timeout) throws IOException
+ {
+ Set cancelled = cancelledKeys();
+ synchronized (cancelled)
+ {
+ synchronized (keys)
+ {
+ for (Iterator it = cancelled.iterator(); it.hasNext(); )
+ {
+ KqueueSelectionKeyImpl key = (KqueueSelectionKeyImpl) it.next();
+ key.interestOps = 0;
+ }
+
+ int events_size = (2 * _sizeof_struct_kevent) * keys.size();
+ int num_events = 0;
+
+ for (Iterator it = keys.entrySet().iterator(); it.hasNext(); )
+ {
+ Map.Entry e = (Map.Entry) it.next();
+ KqueueSelectionKeyImpl key = (KqueueSelectionKeyImpl) e.getValue();
+
+ SelectableChannel ch = key.channel();
+ if (ch instanceof VMChannelOwner)
+ {
+ if (!((VMChannelOwner) ch).getVMChannel().getState().isValid())
+ {
+ // closed channel; removed from kqueue automatically.
+ it.remove();
+ continue;
+ }
+ }
+
+ // If this key is registering a read filter, add it to the buffer.
+ if (key.needCommitRead())
+ {
+ kevent_set(events, num_events, key.fd,
+ key.interestOps & (OP_READ | OP_ACCEPT),
+ key.activeOps & (OP_READ | OP_ACCEPT), key.key);
+ num_events++;
+ }
+
+ // If this key is registering a write filter, add it to the buffer.
+ if (key.needCommitWrite())
+ {
+ kevent_set(events, num_events, key.fd,
+ key.interestOps & (OP_WRITE | OP_CONNECT),
+ key.activeOps & (OP_WRITE | OP_CONNECT), key.key);
+ num_events++;
+ }
+ }
+ events.rewind().limit(events.capacity());
+
+ //System.out.println("dump of keys to select:");
+ //dump_selection_keys(events.duplicate());
+
+ int n = 0;
+ try
+ {
+ //System.out.println("[" + kq + "] kevent enter selecting from " + keys.size());
+ begin();
+ blockedThread = Thread.currentThread();
+ if (blockedThread.isInterrupted())
+ timeout = 0;
+ n = kevent(kq, events, num_events,
+ events.capacity() / _sizeof_struct_kevent, timeout);
+ }
+ finally
+ {
+ end();
+ blockedThread = null;
+ Thread.interrupted();
+ //System.out.println("[" + kq + "kevent exit selected " + n);
+ }
+
+ //System.out.println("dump of keys selected:");
+ //dump_selection_keys((ByteBuffer) events.duplicate().limit(n * _sizeof_struct_kevent));
+
+ // Commit the operations we've just added in the call to kevent.
+ for (Iterator it = keys.values().iterator(); it.hasNext(); )
+ {
+ KqueueSelectionKeyImpl key = (KqueueSelectionKeyImpl) it.next();
+ key.activeOps = key.interestOps;
+ }
+
+ selected = new HashSet/*<KqueueSelectionKeyImpl>*/(n);
+ int x = 0;
+ for (int i = 0; i < n; i++)
+ {
+ events.position(x).limit(x + _sizeof_struct_kevent);
+ x += _sizeof_struct_kevent;
+ int y = fetch_key(events.slice());
+ KqueueSelectionKeyImpl key =
+ (KqueueSelectionKeyImpl) keys.get(new Integer(y));
+
+ if (key == null)
+ {
+ System.out.println("WARNING! no key found for selected key " + y);
+ continue;
+ }
+ // Keys that have been cancelled may be returned here; don't
+ // add them to the selected set.
+ if (!key.isValid())
+ continue;
+ key.readyOps = ready_ops(events.slice(), key.interestOps);
+ selected.add(key);
+ }
+
+ // Finally, remove the cancelled keys.
+ for (Iterator it = cancelled.iterator(); it.hasNext(); )
+ {
+ KqueueSelectionKeyImpl key = (KqueueSelectionKeyImpl) it.next();
+ keys.remove(new Integer(key.key));
+ deregister(key);
+ it.remove();
+ }
+
+ reallocateBuffer();
+
+ return selected.size();
+ }
+ }
+ }
+
+ protected SelectionKey register(AbstractSelectableChannel channel,
+ int interestOps,
+ Object attachment)
+ {
+ int native_fd = -1;
+ try
+ {
+ if (channel instanceof VMChannelOwner)
+ native_fd = ((VMChannelOwner) channel).getVMChannel()
+ .getState().getNativeFD();
+ else
+ throw new IllegalArgumentException("cannot handle channel type " +
+ channel.getClass().getName());
+ }
+ catch (IOException ioe)
+ {
+ throw new IllegalArgumentException("channel is closed or invalid");
+ }
+
+ KqueueSelectionKeyImpl result = new KqueueSelectionKeyImpl(this, channel);
+ result.interestOps = interestOps;
+ result.attach(attachment);
+ result.fd = native_fd;
+ result.key = System.identityHashCode(result);
+ synchronized (keys)
+ {
+ while (keys.containsKey(new Integer(result.key)))
+ result.key++;
+ keys.put(new Integer(result.key), result);
+ reallocateBuffer();
+ }
+ return result;
+ }
+
+ void setInterestOps(KqueueSelectionKeyImpl key, int ops)
+ {
+ synchronized (keys)
+ {
+ key.interestOps = ops;
+ }
+ }
+
+ /**
+ * Reallocate the events buffer. This is the destination buffer for
+ * events returned by kevent. This method will:
+ *
+ * * Grow the buffer if there is insufficent space for all registered
+ * events.
+ * * Shrink the buffer if it is more than twice the size needed.
+ *
+ */
+ private void reallocateBuffer()
+ {
+ synchronized (keys)
+ {
+ if (events.capacity() < (2 * _sizeof_struct_kevent) * keys.size())
+ {
+ int cap = events.capacity();
+ if (cap >= MAX_DOUBLING_CAPACITY)
+ cap += CAP_INCREMENT;
+ else
+ cap = cap << 1;
+
+ events = ByteBuffer.allocateDirect(cap);
+ }
+ else if (events.capacity() > 4 * (_sizeof_struct_kevent) * keys.size() + 1
+ && events.capacity() > INITIAL_CAPACITY)
+ {
+ int cap = events.capacity();
+ cap = cap >>> 1;
+ events = ByteBuffer.allocateDirect(cap);
+ }
+ }
+ }
+
+ //synchronized void updateOps(KqueueSelectionKeyImpl key, int interestOps)
+ //{
+ // updateOps(key, interestOps, 0, false);
+ //}
+
+ /*void updateOps(KqueueSelectionKeyImpl key, int interestOps,
+ int activeOps, int fd)
+ {
+ //System.out.println(">> updating kqueue selection key:");
+ //dump_selection_keys(key.nstate.duplicate());
+ //System.out.println("<<");
+ synchronized (keys)
+ {
+ kevent_set(key.nstate, fd, interestOps, activeOps, key.key);
+ }
+ //System.out.println(">> updated kqueue selection key:");
+ //dump_selection_keys(key.nstate.duplicate());
+ //System.out.println("<<");
+ }*/
+
+ private void dump_selection_keys(ByteBuffer keys)
+ {
+ // WARNING! This method is not guaranteed to be portable! This works
+ // on darwin/x86, but the sizeof and offsetof these fields may be
+ // different on other platforms!
+ int i = 0;
+ keys.order(ByteOrder.nativeOrder());
+ while (keys.hasRemaining())
+ {
+ System.out.println("struct kevent { ident: "
+ + Integer.toString(keys.getInt())
+ + " filter: "
+ + Integer.toHexString(keys.getShort() & 0xFFFF)
+ + " flags: "
+ + Integer.toHexString(keys.getShort() & 0xFFFF)
+ + " fflags: "
+ + Integer.toHexString(keys.getInt())
+ + " data: "
+ + Integer.toHexString(keys.getInt())
+ + " udata: "
+ + Integer.toHexString(keys.getInt())
+ + " }");
+ }
+ }
+
+ /**
+ * Return the size of a <code>struct kevent</code> on this system.
+ *
+ * @return The size of <code>struct kevent</code>.
+ */
+ private static native int sizeof_struct_kevent();
+
+ /**
+ * Opens a kqueue descriptor.
+ *
+ * @return The new kqueue descriptor.
+ * @throws IOException If opening fails.
+ */
+ private static native int implOpen() throws IOException;
+
+ /**
+ * Closes the kqueue file descriptor.
+ *
+ * @param kq The kqueue file descriptor.
+ * @throws IOException
+ */
+ private static native void implClose(int kq) throws IOException;
+
+ /**
+ * Initialize the specified native state for the given interest ops.
+ *
+ * @param nstate The native state structures; in this buffer should be
+ * the <code>struct kevent</code>s created for a key.
+ * @param fd The file descriptor. If 0, the native FD is unmodified.
+ * @param interestOps The operations to enable.
+ * @param key A unique key that will reference the associated key later.
+ * @param delete Set to true if this event should be deleted from the
+ * kqueue (if false, this event is added/updated).
+ */
+ private static native void kevent_set(ByteBuffer nstate, int i, int fd,
+ int interestOps, int activeOps, int key);
+
+ /**
+ * Poll for events. The source events are stored in <code>events</code>,
+ * which is also where polled events will be placed.
+ *
+ * @param events The events to poll. This buffer is also the destination
+ * for events read from the queue.
+ * @param nevents The number of events to poll (that is, the number of
+ * events in the <code>events</code> buffer).
+ * @param nout The maximum number of events that may be returned.
+ * @param timeout The timeout. A timeout of -1 returns immediately; a timeout
+ * of 0 waits indefinitely.
+ * @return The number of events read.
+ */
+ private static native int kevent(int kq, ByteBuffer events, int nevents,
+ int nout, long timeout);
+
+ /**
+ * Fetch a polled key from a native state buffer. For each kevent key we
+ * create, we put the native state info (one or more <code>struct
+ * kevent</code>s) in that key's {@link KqueueSelectionKeyImpl#nstate}
+ * buffer, and place the pointer of the key in the <code>udata</code> field
+ * of that structure. This method fetches that pointer from the given
+ * buffer (assumed to be a <code>struct kqueue</code>) and returns it.
+ *
+ * @param nstate The buffer containing the <code>struct kqueue</code> to read.
+ * @return The key object.
+ */
+ private static native int fetch_key(ByteBuffer nstate);
+
+ /**
+ * Fetch the ready ops of the associated native state. That is, this
+ * inspects the first argument as a <code>struct kevent</code>, looking
+ * at its operation (the input is assumed to have been returned via a
+ * previous call to <code>kevent</code>), and translating that to the
+ * appropriate Java bit set, based on the second argument.
+ *
+ * @param nstate The native state.
+ * @param interestOps The enabled operations for the key.
+ * @return The bit set representing the ready operations.
+ */
+ private static native int ready_ops(ByteBuffer nstate, int interestOps);
+
+ /**
+ * Check if kevent returned EV_EOF for a selection key.
+ *
+ * @param nstate The native state.
+ * @return True if the kevent call returned EOF.
+ */
+ private static native boolean check_eof(ByteBuffer nstate);
+}
Modified: trunk/core/src/classpath/gnu/gnu/java/nio/NIOSocket.java
===================================================================
--- trunk/core/src/classpath/gnu/gnu/java/nio/NIOSocket.java 2006-12-13 19:25:39 UTC (rev 2906)
+++ trunk/core/src/classpath/gnu/gnu/java/nio/NIOSocket.java 2006-12-14 09:24:37 UTC (rev 2907)
@@ -48,30 +48,33 @@
*/
public final class NIOSocket extends Socket
{
- private PlainSocketImpl impl;
private SocketChannelImpl channel;
- protected NIOSocket (PlainSocketImpl impl, SocketChannelImpl channel)
+ protected NIOSocket (SocketChannelImpl channel)
throws IOException
{
- super (impl);
- this.impl = impl;
+ super (new NIOSocketImpl(channel));
this.channel = channel;
}
- public final PlainSocketImpl getPlainSocketImpl()
- {
- return impl;
- }
+ //public final PlainSocketImpl getPlainSocketImpl()
+ //{
+ // return impl;
+ //}
- final void setChannel (SocketChannelImpl channel)
- {
- this.impl = channel.getPlainSocketImpl();
- this.channel = channel;
- }
+ //final void setChannel (SocketChannelImpl channel)
+ //{
+ // this.impl = channel.getPlainSocketImpl();
+ // this.channel = channel;
+ //}
public final SocketChannel getChannel()
{
return channel;
}
+
+ public boolean isConnected()
+ {
+ return channel.isConnected();
+ }
}
Added: trunk/core/src/classpath/gnu/gnu/java/nio/NIOSocketImpl.java
===================================================================
--- trunk/core/src/classpath/gnu/gnu/java/nio/NIOSocketImpl.java (rev 0)
+++ trunk/core/src/classpath/gnu/gnu/java/nio/NIOSocketImpl.java 2006-12-14 09:24:37 UTC (rev 2907)
@@ -0,0 +1,110 @@
+/* NIOSocketImpl.java -- subclass of PlainSocketImpl for NIO.
+ Copyright (C) 2006 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package gnu.java.nio;
+
+import gnu.java.net.PlainSocketImpl;
+
+import java.io.IOException;
+import java.net.InetAddress;
+
+/**
+ * @author Casey Marshall (cs...@gn...)
+ */
+public class NIOSocketImpl extends PlainSocketImpl
+{
+
+ private final SocketChannelImpl channel;
+
+ NIOSocketImpl(SocketChannelImpl channel) throws IOException
+ {
+ this.channel = channel;
+ impl.getState().setChannelFD(channel.getVMChannel().getState());
+ }
+
+ /* (non-Javadoc)
+ * @see java.net.SocketImpl#getInetAddress()
+ */
+ //@Override
+ protected InetAddress getInetAddress()
+ {
+ try
+ {
+ return channel.getVMChannel().getPeerAddress().getAddress();
+ }
+ catch (IOException ioe)
+ {
+ return null;
+ }
+ catch (NullPointerException npe)
+ {
+ // Socket is not connected yet.
+ return null;
+ }
+ }
+
+ /* (non-Javadoc)
+ * @see java.net.SocketImpl#getPort()
+ */
+ //@Override
+ protected int getPort()
+ {
+ try
+ {
+ return channel.getVMChannel().getPeerAddress().getPort();
+ }
+ catch (IOException ioe)
+ {
+ return -1;
+ }
+ catch (NullPointerException npe)
+ {
+ // Socket is not connected yet.
+ return -1;
+ }
+ }
+
+ /* (non-Javadoc)
+ * @see gnu.java.net.PlainSocketImpl#create(boolean)
+ */
+ //@Override
+ protected synchronized void create(boolean stream)
+ {
+ // Ignored; the socket has already been created.
+ }
+}
This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.
|
|
From: <ep...@us...> - 2006-12-13 19:25:42
|
Revision: 2906
http://jnode.svn.sourceforge.net/jnode/?rev=2906&view=rev
Author: epr
Date: 2006-12-13 11:25:39 -0800 (Wed, 13 Dec 2006)
Log Message:
-----------
Copied remotely
Added Paths:
-----------
branches/jikesRVM/
Copied: branches/jikesRVM (from rev 2905, trunk)
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|
|
From: <Qa...@us...> - 2006-12-12 22:50:00
|
Revision: 2905
http://jnode.svn.sourceforge.net/jnode/?rev=2905&view=rev
Author: QaDeS
Date: 2006-12-12 14:49:58 -0800 (Tue, 12 Dec 2006)
Log Message:
-----------
proportional font cursor fix (generic)
tiny cleanups
Modified Paths:
--------------
trunk/distr/src/apps/org/jnode/apps/console/ShellEmu.java
trunk/gui/src/driver/org/jnode/driver/console/swing/SwingTextScreenConsoleManager.java
trunk/gui/src/driver/org/jnode/driver/textscreen/swing/SwingPcTextScreen.java
Modified: trunk/distr/src/apps/org/jnode/apps/console/ShellEmu.java
===================================================================
--- trunk/distr/src/apps/org/jnode/apps/console/ShellEmu.java 2006-12-12 22:20:48 UTC (rev 2904)
+++ trunk/distr/src/apps/org/jnode/apps/console/ShellEmu.java 2006-12-12 22:49:58 UTC (rev 2905)
@@ -14,7 +14,7 @@
public static void main(String[] argv) throws Exception {
initEnv();
SwingTextScreenConsoleManager cm = new SwingTextScreenConsoleManager();
- new Thread(new CommandShell((TextConsole) cm.createConsole(null,
+ new Thread(new CommandShell((TextConsole) cm.createConsole("Console 1",
ConsoleManager.CreateOptions.TEXT | ConsoleManager.CreateOptions.SCROLLABLE))).
start();
}
Modified: trunk/gui/src/driver/org/jnode/driver/console/swing/SwingTextScreenConsoleManager.java
===================================================================
--- trunk/gui/src/driver/org/jnode/driver/console/swing/SwingTextScreenConsoleManager.java 2006-12-12 22:20:48 UTC (rev 2904)
+++ trunk/gui/src/driver/org/jnode/driver/console/swing/SwingTextScreenConsoleManager.java 2006-12-12 22:49:58 UTC (rev 2905)
@@ -35,6 +35,7 @@
initializeKeyboard(systemScreen.getKeyboardDevice());
addPointerDevice(systemScreen.getPointerDevivce());
frame = new JFrame("Console");
+ frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.addWindowListener(new WindowAdapter(){
public void windowClosed(WindowEvent e) {
closeAll();
Modified: trunk/gui/src/driver/org/jnode/driver/textscreen/swing/SwingPcTextScreen.java
===================================================================
--- trunk/gui/src/driver/org/jnode/driver/textscreen/swing/SwingPcTextScreen.java 2006-12-12 22:20:48 UTC (rev 2904)
+++ trunk/gui/src/driver/org/jnode/driver/textscreen/swing/SwingPcTextScreen.java 2006-12-12 22:49:58 UTC (rev 2905)
@@ -15,6 +15,7 @@
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
+import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.KeyboardFocusManager;
import java.awt.event.*;
@@ -88,11 +89,11 @@
int offset = i * SCREEN_WIDTH;
int lenght = SCREEN_WIDTH;
if (offset <= cursorOffset && cursorOffset < offset + SCREEN_WIDTH) {
- char[] line = new char[SCREEN_WIDTH];
- for (int j = 0; j < SCREEN_WIDTH; j++) {
- line[j] = offset + j == cursorOffset ? '_' : ' ';
- }
- g.drawChars(line, 0, lenght, margin, h + i * h);
+ FontMetrics fm = getFontMetrics(getFont());
+ int x = margin + fm.charsWidth(buffer, offset, cursorOffset - offset);
+ int y = h + i * h;
+ int width = fm.charWidth(buffer[cursorOffset]);
+ g.drawLine(x, y, x+width, y);
}
g.drawChars(buffer, offset, lenght, margin, h + i * h);
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From: <ls...@us...> - 2006-12-12 22:20:53
|
Revision: 2904
http://jnode.svn.sourceforge.net/jnode/?rev=2904&view=rev
Author: lsantha
Date: 2006-12-12 14:20:48 -0800 (Tue, 12 Dec 2006)
Log Message:
-----------
test env.
Added Paths:
-----------
trunk/distr/src/apps/org/jnode/apps/console/ShellEmu.java
trunk/distr/src/apps/org/jnode/apps/editor/EditEmu.java
Added: trunk/distr/src/apps/org/jnode/apps/console/ShellEmu.java
===================================================================
--- trunk/distr/src/apps/org/jnode/apps/console/ShellEmu.java (rev 0)
+++ trunk/distr/src/apps/org/jnode/apps/console/ShellEmu.java 2006-12-12 22:20:48 UTC (rev 2904)
@@ -0,0 +1,21 @@
+package org.jnode.apps.console;
+
+import org.jnode.test.gui.Emu;
+import org.jnode.driver.console.swing.SwingTextScreenConsoleManager;
+import org.jnode.driver.console.TextConsole;
+import org.jnode.driver.console.ConsoleManager;
+import org.jnode.shell.CommandShell;
+
+/**
+ * @author Levente S\u00e1ntha
+ */
+public class ShellEmu extends Emu {
+
+ public static void main(String[] argv) throws Exception {
+ initEnv();
+ SwingTextScreenConsoleManager cm = new SwingTextScreenConsoleManager();
+ new Thread(new CommandShell((TextConsole) cm.createConsole(null,
+ ConsoleManager.CreateOptions.TEXT | ConsoleManager.CreateOptions.SCROLLABLE))).
+ start();
+ }
+}
Added: trunk/distr/src/apps/org/jnode/apps/editor/EditEmu.java
===================================================================
--- trunk/distr/src/apps/org/jnode/apps/editor/EditEmu.java (rev 0)
+++ trunk/distr/src/apps/org/jnode/apps/editor/EditEmu.java 2006-12-12 22:20:48 UTC (rev 2904)
@@ -0,0 +1,31 @@
+package org.jnode.apps.editor;
+
+import org.jnode.driver.console.ConsoleManager;
+import org.jnode.driver.console.swing.SwingTextScreenConsoleManager;
+import org.jnode.driver.console.textscreen.TextScreenConsole;
+import org.jnode.test.gui.Emu;
+
+import java.io.File;
+
+/**
+ * @author Levente S\u00e1ntha
+ */
+public class EditEmu extends Emu {
+ public static void main(String[] argv) throws Exception{
+ initEnv();
+
+
+ if(argv.length == 0){
+ System.out.println("No file specified");
+ return;
+ }
+
+ SwingTextScreenConsoleManager cm = new SwingTextScreenConsoleManager();
+ final TextScreenConsole console = cm.createConsole(null,
+ ConsoleManager.CreateOptions.TEXT | ConsoleManager.CreateOptions.NO_SYSTEM_OUT_ERR_IN);
+
+ TextEditor te = new TextEditor(console);
+ File f = new File(argv[0]);
+ te.loadFile(f);
+ }
+}
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|
|
From: <ls...@us...> - 2006-12-12 22:19:33
|
Revision: 2903
http://jnode.svn.sourceforge.net/jnode/?rev=2903&view=rev
Author: lsantha
Date: 2006-12-12 14:19:32 -0800 (Tue, 12 Dec 2006)
Log Message:
-----------
test env.
Added Paths:
-----------
trunk/gui/src/test/org/jnode/test/gui/Emu.java
Added: trunk/gui/src/test/org/jnode/test/gui/Emu.java
===================================================================
--- trunk/gui/src/test/org/jnode/test/gui/Emu.java (rev 0)
+++ trunk/gui/src/test/org/jnode/test/gui/Emu.java 2006-12-12 22:19:32 UTC (rev 2903)
@@ -0,0 +1,196 @@
+package org.jnode.test.gui;
+
+import org.jnode.plugin.ExtensionPoint;
+import org.jnode.plugin.Extension;
+import org.jnode.plugin.ExtensionPointListener;
+import org.jnode.plugin.PluginDescriptor;
+import org.jnode.naming.InitialNaming;
+import org.jnode.naming.NameSpace;
+import org.jnode.driver.DeviceManager;
+import org.jnode.driver.AbstractDeviceManager;
+import org.jnode.driver.DeviceFinder;
+import org.jnode.driver.DeviceToDriverMapper;
+import org.jnode.driver.Device;
+import org.jnode.driver.DriverException;
+import org.jnode.shell.alias.AliasManager;
+import org.jnode.shell.alias.def.DefaultAliasManager;
+import org.jnode.shell.ShellManager;
+import org.jnode.shell.def.DefaultShellManager;
+import org.apache.log4j.Logger;
+
+import javax.naming.NamingException;
+import javax.naming.NameAlreadyBoundException;
+import javax.naming.NameNotFoundException;
+import java.util.Map;
+import java.util.HashMap;
+import java.util.Set;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Collections;
+
+/**
+ * @author Levente S\u00e1ntha
+ */
+public class Emu {
+ protected static void initEnv() throws NamingException {
+ if(true){
+ InitialNaming.setNameSpace(new NameSpace() {
+ private Map<Class<?>, Object> space = new HashMap<Class<?>, Object>();
+
+ public <T> void bind(Class<T> name, T service) throws NamingException, NameAlreadyBoundException {
+ if (space.get(name) != null) throw new NameAlreadyBoundException();
+ space.put(name, service);
+ }
+
+ public void unbind(Class<?> name) {
+ space.remove(name);
+ }
+
+ public <T> T lookup(Class<T> name) throws NameNotFoundException {
+ T obj = (T) space.get(name);
+ if (obj == null) throw new NameNotFoundException(name.getName());
+ return obj;
+ }
+
+ public Set<Class<?>> nameSet() {
+ return space.keySet();
+ }
+ });
+ InitialNaming.bind(DeviceManager.NAME, DeviceManager.INSTANCE);
+ final AliasManager aliasMgr = new DefaultAliasManager(new DummyExtensionPoint());
+ final ShellManager shellMgr = new DefaultShellManager();
+ InitialNaming.bind(AliasManager.NAME, aliasMgr);
+ InitialNaming.bind(ShellManager.NAME, shellMgr);
+ }
+ }
+
+ private static class DummyExtensionPoint implements ExtensionPoint {
+ public String getSimpleIdentifier() {
+ return "A";
+ }
+
+ public String getUniqueIdentifier() {
+ return "aaa";
+ }
+
+ public String getName() {
+ return "B";
+ }
+
+ public Extension[] getExtensions() {
+ return new Extension[0];
+ }
+
+ public void addListener(ExtensionPointListener listener) {
+ }
+
+ public void addPriorityListener(ExtensionPointListener listener) {
+ }
+
+ public void removeListener(ExtensionPointListener listener) {
+ }
+
+ public PluginDescriptor getDeclaringPluginDescriptor() {
+ return null;
+ }
+ }
+
+ public static class DeviceManager extends AbstractDeviceManager {
+ public static final Logger log = Logger.getLogger(DeviceManager.class);
+
+ public static final DeviceManager INSTANCE = new DeviceManager();
+
+ private List<DeviceFinder> finders = new ArrayList<DeviceFinder>();
+
+ private List<DeviceToDriverMapper> mappers = new ArrayList<DeviceToDriverMapper>();
+
+ private DeviceManager() {
+ }
+
+ public void removeAll() {
+ finders.clear();
+ mappers.clear();
+
+ for (Device device : getDevices()) {
+ try {
+ unregister(device);
+ } catch (DriverException e) {
+ log.error("can't unregister " + device);
+ }
+ }
+ }
+
+ public void add(DeviceFinder finder, DeviceToDriverMapper mapper) {
+ boolean doStart = false;
+
+ if (!finders.contains(finder)) {
+ finders.add(finder);
+ doStart = true;
+ }
+
+ if (!mappers.contains(mapper)) {
+ mappers.add(mapper);
+ doStart = true;
+ }
+
+ if (doStart) {
+ start();
+ }
+ }
+
+ /**
+ * Start this manager
+ */
+ final public void start() {
+ // Thread thread = new Thread()
+ // {
+ // public void run()
+ // {
+ log.debug("Loading extensions ...");
+ loadExtensions();
+ log.debug("Extensions loaded !");
+ // }
+ // };
+ // thread.start();
+
+ try {
+ // must be called before findDeviceDrivers
+ log.debug("findDevices ...");
+ findDevices();
+
+ log.debug("findDeviceDrivers ...");
+ findDeviceDrivers();
+
+ log.debug("StubDeviceManager initialized !");
+ } catch (InterruptedException e) {
+ log.fatal("can't find devices", e);
+ }
+ }
+
+ /**
+ * Refresh the list of finders, based on the mappers extension-point.
+ *
+ * @param finders
+ */
+ protected final void refreshFinders(List<DeviceFinder> finders) {
+ log.info("refreshFinders");
+ finders.clear();
+ finders.addAll(this.finders);
+ }
+
+ /**
+ * Refresh the list of mappers, based on the mappers extension-point.
+ *
+ * @param mappers
+ */
+ protected final void refreshMappers(List<DeviceToDriverMapper> mappers) {
+ log.info("refreshMappers");
+ mappers.clear();
+ mappers.addAll(this.mappers);
+
+ // Now sort them
+ Collections.sort(mappers, MapperComparator.INSTANCE);
+ }
+ }
+
+}
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|
|
From: <ls...@us...> - 2006-12-12 21:17:20
|
Revision: 2902
http://jnode.svn.sourceforge.net/jnode/?rev=2902&view=rev
Author: lsantha
Date: 2006-12-12 13:17:16 -0800 (Tue, 12 Dec 2006)
Log Message:
-----------
Migrating to Java 5 level classpath.
Removed Paths:
-------------
trunk/core/src/classpath/5.0/java/
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|
|
From: <ls...@us...> - 2006-12-12 21:15:26
|
Revision: 2901
http://jnode.svn.sourceforge.net/jnode/?rev=2901&view=rev
Author: lsantha
Date: 2006-12-12 13:15:24 -0800 (Tue, 12 Dec 2006)
Log Message:
-----------
Migrating to Java 5 level classpath.
Added Paths:
-----------
trunk/core/src/classpath/java/java/lang/reflect/AnnotatedElement.java
trunk/core/src/classpath/java/java/lang/reflect/GenericDeclaration.java
trunk/core/src/classpath/java/java/lang/reflect/TypeVariable.java
Added: trunk/core/src/classpath/java/java/lang/reflect/AnnotatedElement.java
===================================================================
--- trunk/core/src/classpath/java/java/lang/reflect/AnnotatedElement.java (rev 0)
+++ trunk/core/src/classpath/java/java/lang/reflect/AnnotatedElement.java 2006-12-12 21:15:24 UTC (rev 2901)
@@ -0,0 +1,115 @@
+/* AnnotatedElement.java
+ Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.lang.reflect;
+
+import java.lang.annotation.Annotation;
+
+/**
+ * <p>
+ * Represents an element that can be annotated. The methods of this interface
+ * provide reflection-based access to the annotations associated with a
+ * particular element, such as a class, field, method or package. Each
+ * annotation returned by these methods is both immutable and serializable.
+ * The returned arrays may be freely modified, without any effect on the
+ * arrays returned to future callers.
+ * </p>
+ * <p>
+ * If an annotation refers to a type or enumeration constant that is
+ * inaccessible, then a <code>TypeNotPresentException</code> or
+ * <code>EnumConstantNotPresentException</code> will be thrown. Likewise,
+ * invalid annotations will produce either a
+ * <code>AnnotationTypeMismatchException</code> or
+ * <code>IncompleteAnnotationException</code>.
+ * </p>
+ *
+ * @author Tom Tromey (tr...@re...)
+ * @author Andrew John Hughes (gnu...@me...)
+ * @since 1.5
+ */
+public interface AnnotatedElement
+{
+
+ /**
+ * Returns the element's annotation for the specified annotation type,
+ * or <code>null</code> if no such annotation exists.
+ *
+ * @param annotationClass the type of annotation to look for.
+ * @return this element's annotation for the specified type, or
+ * <code>null</code> if no such annotation exists.
+ * @throws NullPointerException if the annotation class is <code>null</code>.
+ */
+ <T extends Annotation> T getAnnotation(Class<T> annotationClass);
+
+ /**
+ * Returns all annotations associated with the element. If there are
+ * no annotations associated with the element, then a zero-length array
+ * will be returned. The returned array may be modified by the client
+ * code, but this will have no effect on the annotation content of the
+ * element, and hence no effect on the return value of this method for
+ * future callers.
+ *
+ * @return this element's annotations.
+ */
+ Annotation[] getAnnotations();
+
+ /**
+ * Returns all annotations directly defined by the element. If there are
+ * no annotations directly associated with the element, then a zero-length
+ * array will be returned. The returned array may be modified by the client
+ * code, but this will have no effect on the annotation content of this
+ * class, and hence no effect on the return value of this method for
+ * future callers.
+ *
+ * @return the annotations directly defined by the element.
+ * @since 1.5
+ */
+ Annotation[] getDeclaredAnnotations();
+
+ /**
+ * Returns true if an annotation for the specified type is associated
+ * with the element. This is primarily a short-hand for using marker
+ * annotations.
+ *
+ * @param annotationClass the type of annotation to look for.
+ * @return true if an annotation exists for the specified type.
+ * @since 1.5
+ */
+ boolean isAnnotationPresent(Class<? extends Annotation> annotationClass);
+
+}
Added: trunk/core/src/classpath/java/java/lang/reflect/GenericDeclaration.java
===================================================================
--- trunk/core/src/classpath/java/java/lang/reflect/GenericDeclaration.java (rev 0)
+++ trunk/core/src/classpath/java/java/lang/reflect/GenericDeclaration.java 2006-12-12 21:15:24 UTC (rev 2901)
@@ -0,0 +1,62 @@
+/* GenericDeclaration.java
+ Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.lang.reflect;
+
+/**
+ * Represents an entity that declares one or more type parameters.
+ * This includes classes and methods (including constructors).
+ *
+ * @author Tom Tromey (tr...@re...)
+ * @author Andrew John Hughes (gnu...@me...)
+ * @since 1.5
+ */
+public interface GenericDeclaration
+{
+ /**
+ * Returns a <code>TypeVariable</code> object for each type variable
+ * declared by this entity, in order of declaration. An empty array
+ * is returned if no type variables are declared.
+ *
+ * @return an array of <code>TypeVariable</code> objects.
+ * @throws GenericSignatureFormatError if the signature format within the
+ * class file does not conform to that specified in the 3rd edition
+ * of the Java Virtual Machine Specification.
+ */
+ TypeVariable<?>[] getTypeParameters();
+}
Added: trunk/core/src/classpath/java/java/lang/reflect/TypeVariable.java
===================================================================
--- trunk/core/src/classpath/java/java/lang/reflect/TypeVariable.java (rev 0)
+++ trunk/core/src/classpath/java/java/lang/reflect/TypeVariable.java 2006-12-12 21:15:24 UTC (rev 2901)
@@ -0,0 +1,96 @@
+/* TypeVariable.java
+ Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.lang.reflect;
+
+/**
+ * <p>
+ * This is a common interface for all type variables provided by
+ * the Java language. Instances are created the first time a type
+ * variable is needed by one of the reflective methods declared in
+ * this package.
+ * </p>
+ * <p>
+ * Creating a type variable requires resolving the appropriate type.
+ * This may involve resolving other classes as a side effect (e.g.
+ * if the type is nested inside other classes). Creation should not
+ * involve resolving the bounds. Repeated creation has no effect; an
+ * equivalent instance is returned. Caching is not required, but all
+ * instances must be <code>equal()</code> to each other.
+ * </p>
+ *
+ * @author Tom Tromey (tr...@re...)
+ * @author Andrew John Hughes (gnu...@me...)
+ * @since 1.5
+ */
+public interface TypeVariable<T extends GenericDeclaration> extends Type
+{
+
+ /**
+ * Returns an array of <code>Type</code> objects which represent the upper
+ * bounds of this type variable. There is always a default bound of
+ * <code>Object</code>. Any <code>ParameterizedType</code>s will be
+ * created as necessary, and other types resolved.
+ *
+ * @return an array of <code>Type</code> objects representing the upper
+ * bounds.
+ * @throws TypeNotPresentException if any of the bounds refer to a
+ * non-existant type.
+ * @throws MalformedParameterizedTypeException if the creation of a
+ * <code>ParameterizedType</code> fails.
+ */
+ Type[] getBounds();
+
+
+ /**
+ * Returns a representation of the declaration used to declare this
+ * type variable.
+ *
+ * @return the <code>GenericDeclaration</code> object for this type
+ * variable.
+ */
+ T getGenericDeclaration();
+
+ /**
+ * Returns the name of the type variable, as written in the source
+ * code.
+ *
+ * @return the name of the type variable.
+ */
+ String getName();
+}
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|
|
From: <ls...@us...> - 2006-12-12 21:14:53
|
Revision: 2900
http://jnode.svn.sourceforge.net/jnode/?rev=2900&view=rev
Author: lsantha
Date: 2006-12-12 13:14:46 -0800 (Tue, 12 Dec 2006)
Log Message:
-----------
Migrating to Java 5 level classpath.
Added Paths:
-----------
trunk/core/src/classpath/java/java/lang/Boolean.java
trunk/core/src/classpath/java/java/lang/Byte.java
trunk/core/src/classpath/java/java/lang/Character.java
trunk/core/src/classpath/java/java/lang/Comparable.java
trunk/core/src/classpath/java/java/lang/Deprecated.java
trunk/core/src/classpath/java/java/lang/Double.java
trunk/core/src/classpath/java/java/lang/Enum.java
trunk/core/src/classpath/java/java/lang/EnumConstantNotPresentException.java
trunk/core/src/classpath/java/java/lang/Float.java
trunk/core/src/classpath/java/java/lang/Integer.java
trunk/core/src/classpath/java/java/lang/Iterable.java
trunk/core/src/classpath/java/java/lang/Long.java
trunk/core/src/classpath/java/java/lang/Object.java
trunk/core/src/classpath/java/java/lang/Override.java
trunk/core/src/classpath/java/java/lang/Short.java
trunk/core/src/classpath/java/java/lang/String.java
trunk/core/src/classpath/java/java/lang/StringBuilder.java
trunk/core/src/classpath/java/java/lang/SuppressWarnings.java
Added: trunk/core/src/classpath/java/java/lang/Boolean.java
===================================================================
--- trunk/core/src/classpath/java/java/lang/Boolean.java (rev 0)
+++ trunk/core/src/classpath/java/java/lang/Boolean.java 2006-12-12 21:14:46 UTC (rev 2900)
@@ -0,0 +1,251 @@
+/* Boolean.java -- object wrapper for boolean
+ Copyright (C) 1998, 2001, 2002, 2004, 2005 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.lang;
+
+import java.io.Serializable;
+
+/**
+ * Instances of class <code>Boolean</code> represent primitive
+ * <code>boolean</code> values.
+ *
+ * @author Paul Fisher
+ * @author Eric Blake (eb...@em...)
+ * @since 1.0
+ * @status updated to 1.5
+ */
+public final class Boolean implements Serializable, Comparable<Boolean>
+{
+ /**
+ * Compatible with JDK 1.0.2+.
+ */
+ private static final long serialVersionUID = -3665804199014368530L;
+
+ /**
+ * This field is a <code>Boolean</code> object representing the
+ * primitive value <code>true</code>. This instance is returned
+ * by the static <code>valueOf()</code> methods if they return
+ * a <code>Boolean</code> representing <code>true</code>.
+ */
+ public static final Boolean TRUE = new Boolean(true);
+
+ /**
+ * This field is a <code>Boolean</code> object representing the
+ * primitive value <code>false</code>. This instance is returned
+ * by the static <code>valueOf()</code> methods if they return
+ * a <code>Boolean</code> representing <code>false</code>.
+ */
+ public static final Boolean FALSE = new Boolean(false);
+
+ /**
+ * The primitive type <code>boolean</code> is represented by this
+ * <code>Class</code> object.
+ *
+ * @since 1.1
+ */
+ public static final Class<Boolean> TYPE = (Class<Boolean>) VMClassLoader.getPrimitiveClass('Z');
+
+ /**
+ * The immutable value of this Boolean.
+ * @serial the wrapped value
+ */
+ private final boolean value;
+
+ /**
+ * Create a <code>Boolean</code> object representing the value of the
+ * argument <code>value</code>. In general the use of the static
+ * method <code>valueof(boolean)</code> is more efficient since it will
+ * not create a new object.
+ *
+ * @param value the primitive value of this <code>Boolean</code>
+ * @see #valueOf(boolean)
+ */
+ public Boolean(boolean value)
+ {
+ this.value = value;
+ }
+
+ /**
+ * Creates a <code>Boolean</code> object representing the primitive
+ * <code>true</code> if and only if <code>s</code> matches
+ * the string "true" ignoring case, otherwise the object will represent
+ * the primitive <code>false</code>. In general the use of the static
+ * method <code>valueof(String)</code> is more efficient since it will
+ * not create a new object.
+ *
+ * @param s the <code>String</code> representation of <code>true</code>
+ * or false
+ */
+ public Boolean(String s)
+ {
+ value = "true".equalsIgnoreCase(s);
+ }
+
+ /**
+ * Return the primitive <code>boolean</code> value of this
+ * <code>Boolean</code> object.
+ *
+ * @return true or false, depending on the value of this Boolean
+ */
+ public boolean booleanValue()
+ {
+ return value;
+ }
+
+ /**
+ * Returns the Boolean <code>TRUE</code> if the given boolean is
+ * <code>true</code>, otherwise it will return the Boolean
+ * <code>FALSE</code>.
+ *
+ * @param b the boolean to wrap
+ * @return the wrapper object
+ * @see #TRUE
+ * @see #FALSE
+ * @since 1.4
+ */
+ public static Boolean valueOf(boolean b)
+ {
+ return b ? TRUE : FALSE;
+ }
+
+ /**
+ * Returns the Boolean <code>TRUE</code> if and only if the given
+ * String is equal, ignoring case, to the the String "true", otherwise
+ * it will return the Boolean <code>FALSE</code>.
+ *
+ * @param s the string to convert
+ * @return a wrapped boolean from the string
+ */
+ public static Boolean valueOf(String s)
+ {
+ return "true".equalsIgnoreCase(s) ? TRUE : FALSE;
+ }
+
+ /**
+ * Returns "true" if the value of the give boolean is <code>true</code> and
+ * returns "false" if the value of the given boolean is <code>false</code>.
+ *
+ * @param b the boolean to convert
+ * @return the string representation of the boolean
+ * @since 1.4
+ */
+ public static String toString(boolean b)
+ {
+ return b ? "true" : "false";
+ }
+
+ /**
+ * Returns "true" if the value of this object is <code>true</code> and
+ * returns "false" if the value of this object is <code>false</code>.
+ *
+ * @return the string representation of this
+ */
+ public String toString()
+ {
+ return value ? "true" : "false";
+ }
+
+ /**
+ * Returns the integer <code>1231</code> if this object represents
+ * the primitive <code>true</code> and the integer <code>1237</code>
+ * otherwise.
+ *
+ * @return the hash code
+ */
+ public int hashCode()
+ {
+ return value ? 1231 : 1237;
+ }
+
+ /**
+ * If the <code>obj</code> is an instance of <code>Boolean</code> and
+ * has the same primitive value as this object then <code>true</code>
+ * is returned. In all other cases, including if the <code>obj</code>
+ * is <code>null</code>, <code>false</code> is returned.
+ *
+ * @param obj possibly an instance of any <code>Class</code>
+ * @return true if <code>obj</code> equals this
+ */
+ public boolean equals(Object obj)
+ {
+ return obj instanceof Boolean && value == ((Boolean) obj).value;
+ }
+
+ /**
+ * If the value of the system property <code>name</code> matches
+ * "true" ignoring case then the function returns <code>true</code>.
+ *
+ * @param name the property name to look up
+ * @return true if the property resulted in "true"
+ * @throws SecurityException if accessing the system property is forbidden
+ * @see System#getProperty(String)
+ */
+ public static boolean getBoolean(String name)
+ {
+ if (name == null || "".equals(name))
+ return false;
+ return "true".equalsIgnoreCase(System.getProperty(name));
+ }
+
+ /**
+ * Compares this Boolean to another.
+ *
+ * @param other the Boolean to compare this Boolean to
+ * @return 0 if both Booleans represent the same value, a positive number
+ * if this Boolean represents true and the other false, and a negative
+ * number otherwise.
+ * @since 1.5
+ */
+ public int compareTo(Boolean other)
+ {
+ return value == other.value ? 0 : (value ? 1 : -1);
+ }
+
+ /**
+ * If the String argument is "true", ignoring case, return true.
+ * Otherwise, return false.
+ *
+ * @param b String to parse
+ * @since 1.5
+ */
+ public static boolean parseBoolean(String b)
+ {
+ return "true".equalsIgnoreCase(b) ? true : false;
+ }
+
+}
Added: trunk/core/src/classpath/java/java/lang/Byte.java
===================================================================
--- trunk/core/src/classpath/java/java/lang/Byte.java (rev 0)
+++ trunk/core/src/classpath/java/java/lang/Byte.java 2006-12-12 21:14:46 UTC (rev 2900)
@@ -0,0 +1,373 @@
+/* Byte.java -- object wrapper for byte
+ Copyright (C) 1998, 2001, 2002, 2004, 2005 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.lang;
+
+/**
+ * Instances of class <code>Byte</code> represent primitive <code>byte</code>
+ * values.
+ *
+ * Additionally, this class provides various helper functions and variables
+ * useful to bytes.
+ *
+ * @author Paul Fisher
+ * @author John Keiser
+ * @author Per Bothner
+ * @author Eric Blake (eb...@em...)
+ * @author Tom Tromey (tr...@re...)
+ * @author Andrew John Hughes (gnu...@me...)
+ * @since 1.1
+ * @status updated to 1.5
+ */
+public final class Byte extends Number implements Comparable<Byte>
+{
+ /**
+ * Compatible with JDK 1.1+.
+ */
+ private static final long serialVersionUID = -7183698231559129828L;
+
+ /**
+ * The minimum value a <code>byte</code> can represent is -128 (or
+ * -2<sup>7</sup>).
+ */
+ public static final byte MIN_VALUE = -128;
+
+ /**
+ * The maximum value a <code>byte</code> can represent is 127 (or
+ * 2<sup>7</sup> - 1).
+ */
+ public static final byte MAX_VALUE = 127;
+
+ /**
+ * The primitive type <code>byte</code> is represented by this
+ * <code>Class</code> object.
+ */
+ public static final Class<Byte> TYPE = (Class<Byte>) VMClassLoader.getPrimitiveClass('B');
+
+ /**
+ * The number of bits needed to represent a <code>byte</code>.
+ * @since 1.5
+ */
+ public static final int SIZE = 8;
+
+ // This caches Byte values, and is used by boxing conversions via
+ // valueOf(). We're required to cache all possible values here.
+ private static Byte[] byteCache = new Byte[MAX_VALUE - MIN_VALUE + 1];
+
+
+ /**
+ * The immutable value of this Byte.
+ *
+ * @serial the wrapped byte
+ */
+ private final byte value;
+
+ /**
+ * Create a <code>Byte</code> object representing the value of the
+ * <code>byte</code> argument.
+ *
+ * @param value the value to use
+ */
+ public Byte(byte value)
+ {
+ this.value = value;
+ }
+
+ /**
+ * Create a <code>Byte</code> object representing the value specified
+ * by the <code>String</code> argument
+ *
+ * @param s the string to convert
+ * @throws NumberFormatException if the String does not contain a byte
+ * @see #valueOf(String)
+ */
+ public Byte(String s)
+ {
+ value = parseByte(s, 10);
+ }
+
+ /**
+ * Converts the <code>byte</code> to a <code>String</code> and assumes
+ * a radix of 10.
+ *
+ * @param b the <code>byte</code> to convert to <code>String</code>
+ * @return the <code>String</code> representation of the argument
+ */
+ public static String toString(byte b)
+ {
+ return String.valueOf(b);
+ }
+
+ /**
+ * Converts the specified <code>String</code> into a <code>byte</code>.
+ * This function assumes a radix of 10.
+ *
+ * @param s the <code>String</code> to convert
+ * @return the <code>byte</code> value of <code>s</code>
+ * @throws NumberFormatException if <code>s</code> cannot be parsed as a
+ * <code>byte</code>
+ * @see #parseByte(String)
+ */
+ public static byte parseByte(String s)
+ {
+ return parseByte(s, 10);
+ }
+
+ /**
+ * Converts the specified <code>String</code> into an <code>int</code>
+ * using the specified radix (base). The string must not be <code>null</code>
+ * or empty. It may begin with an optional '-', which will negate the answer,
+ * provided that there are also valid digits. Each digit is parsed as if by
+ * <code>Character.digit(d, radix)</code>, and must be in the range
+ * <code>0</code> to <code>radix - 1</code>. Finally, the result must be
+ * within <code>MIN_VALUE</code> to <code>MAX_VALUE</code>, inclusive.
+ * Unlike Double.parseDouble, you may not have a leading '+'.
+ *
+ * @param s the <code>String</code> to convert
+ * @param radix the radix (base) to use in the conversion
+ * @return the <code>String</code> argument converted to <code>byte</code>
+ * @throws NumberFormatException if <code>s</code> cannot be parsed as a
+ * <code>byte</code>
+ */
+ public static byte parseByte(String s, int radix)
+ {
+ int i = Integer.parseInt(s, radix, false);
+ if ((byte) i != i)
+ throw new NumberFormatException();
+ return (byte) i;
+ }
+
+ /**
+ * Creates a new <code>Byte</code> object using the <code>String</code>
+ * and specified radix (base).
+ *
+ * @param s the <code>String</code> to convert
+ * @param radix the radix (base) to convert with
+ * @return the new <code>Byte</code>
+ * @throws NumberFormatException if <code>s</code> cannot be parsed as a
+ * <code>byte</code>
+ * @see #parseByte(String, int)
+ */
+ public static Byte valueOf(String s, int radix)
+ {
+ return new Byte(parseByte(s, radix));
+ }
+
+ /**
+ * Creates a new <code>Byte</code> object using the <code>String</code>,
+ * assuming a radix of 10.
+ *
+ * @param s the <code>String</code> to convert
+ * @return the new <code>Byte</code>
+ * @throws NumberFormatException if <code>s</code> cannot be parsed as a
+ * <code>byte</code>
+ * @see #Byte(String)
+ * @see #parseByte(String)
+ */
+ public static Byte valueOf(String s)
+ {
+ return new Byte(parseByte(s, 10));
+ }
+
+ /**
+ * Returns a <code>Byte</code> object wrapping the value.
+ * In contrast to the <code>Byte</code> constructor, this method
+ * will cache some values. It is used by boxing conversion.
+ *
+ * @param val the value to wrap
+ * @return the <code>Byte</code>
+ */
+ public static Byte valueOf(byte val)
+ {
+ synchronized (byteCache)
+ {
+ if (byteCache[val - MIN_VALUE] == null)
+ byteCache[val - MIN_VALUE] = new Byte(val);
+ return byteCache[val - MIN_VALUE];
+ }
+ }
+
+ /**
+ * Convert the specified <code>String</code> into a <code>Byte</code>.
+ * The <code>String</code> may represent decimal, hexadecimal, or
+ * octal numbers.
+ *
+ * <p>The extended BNF grammar is as follows:<br>
+ * <pre>
+ * <em>DecodableString</em>:
+ * ( [ <code>-</code> ] <em>DecimalNumber</em> )
+ * | ( [ <code>-</code> ] ( <code>0x</code> | <code>0X</code>
+ * | <code>#</code> ) { <em>HexDigit</em> }+ )
+ * | ( [ <code>-</code> ] <code>0</code> { <em>OctalDigit</em> } )
+ * <em>DecimalNumber</em>:
+ * <em>DecimalDigit except '0'</em> { <em>DecimalDigit</em> }
+ * <em>DecimalDigit</em>:
+ * <em>Character.digit(d, 10) has value 0 to 9</em>
+ * <em>OctalDigit</em>:
+ * <em>Character.digit(d, 8) has value 0 to 7</em>
+ * <em>DecimalDigit</em>:
+ * <em>Character.digit(d, 16) has value 0 to 15</em>
+ * </pre>
+ * Finally, the value must be in the range <code>MIN_VALUE</code> to
+ * <code>MAX_VALUE</code>, or an exception is thrown.
+ *
+ * @param s the <code>String</code> to interpret
+ * @return the value of the String as a <code>Byte</code>
+ * @throws NumberFormatException if <code>s</code> cannot be parsed as a
+ * <code>byte</code>
+ * @throws NullPointerException if <code>s</code> is null
+ * @see Integer#decode(String)
+ */
+ public static Byte decode(String s)
+ {
+ int i = Integer.parseInt(s, 10, true);
+ if ((byte) i != i)
+ throw new NumberFormatException();
+ return new Byte((byte) i);
+ }
+
+ /**
+ * Return the value of this <code>Byte</code>.
+ *
+ * @return the byte value
+ */
+ public byte byteValue()
+ {
+ return value;
+ }
+
+ /**
+ * Return the value of this <code>Byte</code> as a <code>short</code>.
+ *
+ * @return the short value
+ */
+ public short shortValue()
+ {
+ return value;
+ }
+
+ /**
+ * Return the value of this <code>Byte</code> as an <code>int</code>.
+ *
+ * @return the int value
+ */
+ public int intValue()
+ {
+ return value;
+ }
+
+ /**
+ * Return the value of this <code>Byte</code> as a <code>long</code>.
+ *
+ * @return the long value
+ */
+ public long longValue()
+ {
+ return value;
+ }
+
+ /**
+ * Return the value of this <code>Byte</code> as a <code>float</code>.
+ *
+ * @return the float value
+ */
+ public float floatValue()
+ {
+ return value;
+ }
+
+ /**
+ * Return the value of this <code>Byte</code> as a <code>double</code>.
+ *
+ * @return the double value
+ */
+ public double doubleValue()
+ {
+ return value;
+ }
+
+ /**
+ * Converts the <code>Byte</code> value to a <code>String</code> and
+ * assumes a radix of 10.
+ *
+ * @return the <code>String</code> representation of this <code>Byte</code>
+ * @see Integer#toString()
+ */
+ public String toString()
+ {
+ return String.valueOf(value);
+ }
+
+ /**
+ * Return a hashcode representing this Object. <code>Byte</code>'s hash
+ * code is simply its value.
+ *
+ * @return this Object's hash code
+ */
+ public int hashCode()
+ {
+ return value;
+ }
+
+ /**
+ * Returns <code>true</code> if <code>obj</code> is an instance of
+ * <code>Byte</code> and represents the same byte value.
+ *
+ * @param obj the object to compare
+ * @return whether these Objects are semantically equal
+ */
+ public boolean equals(Object obj)
+ {
+ return obj instanceof Byte && value == ((Byte) obj).value;
+ }
+
+ /**
+ * Compare two Bytes numerically by comparing their <code>byte</code> values.
+ * The result is positive if the first is greater, negative if the second
+ * is greater, and 0 if the two are equal.
+ *
+ * @param b the Byte to compare
+ * @return the comparison
+ * @since 1.2
+ */
+ public int compareTo(Byte b)
+ {
+ return value - b.value;
+ }
+
+}
Added: trunk/core/src/classpath/java/java/lang/Character.java
===================================================================
--- trunk/core/src/classpath/java/java/lang/Character.java (rev 0)
+++ trunk/core/src/classpath/java/java/lang/Character.java 2006-12-12 21:14:46 UTC (rev 2900)
@@ -0,0 +1,4551 @@
+/* java.lang.Character -- Wrapper class for char, and Unicode subsets
+ Copyright (C) 1998, 1999, 2001, 2002, 2004, 2005 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.lang;
+
+import gnu.java.lang.CharData;
+
+import java.io.Serializable;
+import java.text.Collator;
+import java.util.Locale;
+
+/**
+ * Wrapper class for the primitive char data type. In addition, this class
+ * allows one to retrieve property information and perform transformations
+ * on the defined characters in the Unicode Standard, Version 4.0.0.
+ * java.lang.Character is designed to be very dynamic, and as such, it
+ * retrieves information on the Unicode character set from a separate
+ * database, gnu.java.lang.CharData, which can be easily upgraded.
+ *
+ * <p>For predicates, boundaries are used to describe
+ * the set of characters for which the method will return true.
+ * This syntax uses fairly normal regular expression notation.
+ * See 5.13 of the Unicode Standard, Version 4.0, for the
+ * boundary specification.
+ *
+ * <p>See <a href="http://www.unicode.org">http://www.unicode.org</a>
+ * for more information on the Unicode Standard.
+ *
+ * @author Tom Tromey (tr...@cy...)
+ * @author Paul N. Fisher
+ * @author Jochen Hoenicke
+ * @author Eric Blake (eb...@em...)
+ * @author Andrew John Hughes (gnu...@me...)
+ * @see CharData
+ * @since 1.0
+ * @status partly updated to 1.5; some things still missing
+ */
+public final class Character implements Serializable, Comparable<Character>
+{
+ /**
+ * A subset of Unicode blocks.
+ *
+ * @author Paul N. Fisher
+ * @author Eric Blake (eb...@em...)
+ * @since 1.2
+ */
+ public static class Subset
+ {
+ /** The name of the subset. */
+ private final String name;
+
+ /**
+ * Construct a new subset of characters.
+ *
+ * @param name the name of the subset
+ * @throws NullPointerException if name is null
+ */
+ protected Subset(String name)
+ {
+ // Note that name.toString() is name, unless name was null.
+ this.name = name.toString();
+ }
+
+ /**
+ * Compares two Subsets for equality. This is <code>final</code>, and
+ * restricts the comparison on the <code>==</code> operator, so it returns
+ * true only for the same object.
+ *
+ * @param o the object to compare
+ * @return true if o is this
+ */
+ public final boolean equals(Object o)
+ {
+ return o == this;
+ }
+
+ /**
+ * Makes the original hashCode of Object final, to be consistent with
+ * equals.
+ *
+ * @return the hash code for this object
+ */
+ public final int hashCode()
+ {
+ return super.hashCode();
+ }
+
+ /**
+ * Returns the name of the subset.
+ *
+ * @return the name
+ */
+ public final String toString()
+ {
+ return name;
+ }
+ } // class Subset
+
+ /**
+ * A family of character subsets in the Unicode specification. A character
+ * is in at most one of these blocks.
+ *
+ * This inner class was generated automatically from
+ * <code>doc/unicode/Blocks-4.0.0.txt</code>, by some perl scripts.
+ * This Unicode definition file can be found on the
+ * <a href="http://www.unicode.org">http://www.unicode.org</a> website.
+ * JDK 1.5 uses Unicode version 4.0.0.
+ *
+ * @author scripts/unicode-blocks.pl (written by Eric Blake)
+ * @since 1.2
+ */
+ public static final class UnicodeBlock extends Subset
+ {
+ /** The start of the subset. */
+ private final int start;
+
+ /** The end of the subset. */
+ private final int end;
+
+ /** The canonical name of the block according to the Unicode standard. */
+ private final String canonicalName;
+
+ /** Enumeration for the <code>forName()</code> method */
+ private enum NameType { CANONICAL, NO_SPACES, CONSTANT; };
+
+ /**
+ * Constructor for strictly defined blocks.
+ *
+ * @param start the start character of the range
+ * @param end the end character of the range
+ * @param name the block name
+ * @param canonicalName the name of the block as defined in the Unicode
+ * standard.
+ */
+ private UnicodeBlock(int start, int end, String name,
+ String canonicalName)
+ {
+ super(name);
+ this.start = start;
+ this.end = end;
+ this.canonicalName = canonicalName;
+ }
+
+ /**
+ * Returns the Unicode character block which a character belongs to.
+ * <strong>Note</strong>: This method does not support the use of
+ * supplementary characters. For such support, <code>of(int)</code>
+ * should be used instead.
+ *
+ * @param ch the character to look up
+ * @return the set it belongs to, or null if it is not in one
+ */
+ public static UnicodeBlock of(char ch)
+ {
+ return of((int) ch);
+ }
+
+ /**
+ * Returns the Unicode character block which a code point belongs to.
+ *
+ * @param codePoint the character to look up
+ * @return the set it belongs to, or null if it is not in one.
+ * @throws IllegalArgumentException if the specified code point is
+ * invalid.
+ * @since 1.5
+ */
+ public static UnicodeBlock of(int codePoint)
+ {
+ if (codePoint > MAX_CODE_POINT)
+ throw new IllegalArgumentException("The supplied integer value is " +
+ "too large to be a codepoint.");
+ // Simple binary search for the correct block.
+ int low = 0;
+ int hi = sets.length - 1;
+ while (low <= hi)
+ {
+ int mid = (low + hi) >> 1;
+ UnicodeBlock b = sets[mid];
+ if (codePoint < b.start)
+ hi = mid - 1;
+ else if (codePoint > b.end)
+ low = mid + 1;
+ else
+ return b;
+ }
+ return null;
+ }
+
+ /**
+ * <p>
+ * Returns the <code>UnicodeBlock</code> with the given name, as defined
+ * by the Unicode standard. The version of Unicode in use is defined by
+ * the <code>Character</code> class, and the names are given in the
+ * <code>Blocks-<version>.txt</code> file corresponding to that version.
+ * The name may be specified in one of three ways:
+ * </p>
+ * <ol>
+ * <li>The canonical, human-readable name used by the Unicode standard.
+ * This is the name with all spaces and hyphens retained. For example,
+ * `Basic Latin' retrieves the block, UnicodeBlock.BASIC_LATIN.</li>
+ * <li>The canonical name with all spaces removed e.g. `BasicLatin'.</li>
+ * <li>The name used for the constants specified by this class, which
+ * is the canonical name with all spaces and hyphens replaced with
+ * underscores e.g. `BASIC_LATIN'</li>
+ * </ol>
+ * <p>
+ * The names are compared case-insensitively using the case comparison
+ * associated with the U.S. English locale. The method recognises the
+ * previous names used for blocks as well as the current ones. At
+ * present, this simply means that the deprecated `SURROGATES_AREA'
+ * will be recognised by this method (the <code>of()</code> methods
+ * only return one of the three new surrogate blocks).
+ * </p>
+ *
+ * @param blockName the name of the block to look up.
+ * @return the specified block.
+ * @throws NullPointerException if the <code>blockName</code> is
+ * <code>null</code>.
+ * @throws IllegalArgumentException if the name does not match any Unicode
+ * block.
+ * @since 1.5
+ */
+ public static final UnicodeBlock forName(String blockName)
+ {
+ NameType type;
+ if (blockName.indexOf(' ') != -1)
+ type = NameType.CANONICAL;
+ else if (blockName.indexOf('_') != -1)
+ type = NameType.CONSTANT;
+ else
+ type = NameType.NO_SPACES;
+ Collator usCollator = Collator.getInstance(Locale.US);
+ usCollator.setStrength(Collator.PRIMARY);
+ /* Special case for deprecated blocks not in sets */
+ switch (type)
+ {
+ case CANONICAL:
+ if (usCollator.compare(blockName, "Surrogates Area") == 0)
+ return SURROGATES_AREA;
+ break;
+ case NO_SPACES:
+ if (usCollator.compare(blockName, "SurrogatesArea") == 0)
+ return SURROGATES_AREA;
+ break;
+ case CONSTANT:
+ if (usCollator.compare(blockName, "SURROGATES_AREA") == 0)
+ return SURROGATES_AREA;
+ break;
+ }
+ /* Other cases */
+ switch (type)
+ {
+ case CANONICAL:
+ for (UnicodeBlock block : sets)
+ if (usCollator.compare(blockName, block.canonicalName) == 0)
+ return block;
+ break;
+ case NO_SPACES:
+ for (UnicodeBlock block : sets)
+ {
+ String nsName = block.canonicalName.replaceAll(" ","");
+ if (usCollator.compare(blockName, nsName) == 0)
+ return block;
+ }
+ break;
+ case CONSTANT:
+ for (UnicodeBlock block : sets)
+ if (usCollator.compare(blockName, block.toString()) == 0)
+ return block;
+ break;
+ }
+ throw new IllegalArgumentException("No Unicode block found for " +
+ blockName + ".");
+ }
+
+ /**
+ * Basic Latin.
+ * 0x0000 - 0x007F.
+ */
+ public static final UnicodeBlock BASIC_LATIN
+ = new UnicodeBlock(0x0000, 0x007F,
+ "BASIC_LATIN",
+ "Basic Latin");
+
+ /**
+ * Latin-1 Supplement.
+ * 0x0080 - 0x00FF.
+ */
+ public static final UnicodeBlock LATIN_1_SUPPLEMENT
+ = new UnicodeBlock(0x0080, 0x00FF,
+ "LATIN_1_SUPPLEMENT",
+ "Latin-1 Supplement");
+
+ /**
+ * Latin Extended-A.
+ * 0x0100 - 0x017F.
+ */
+ public static final UnicodeBlock LATIN_EXTENDED_A
+ = new UnicodeBlock(0x0100, 0x017F,
+ "LATIN_EXTENDED_A",
+ "Latin Extended-A");
+
+ /**
+ * Latin Extended-B.
+ * 0x0180 - 0x024F.
+ */
+ public static final UnicodeBlock LATIN_EXTENDED_B
+ = new UnicodeBlock(0x0180, 0x024F,
+ "LATIN_EXTENDED_B",
+ "Latin Extended-B");
+
+ /**
+ * IPA Extensions.
+ * 0x0250 - 0x02AF.
+ */
+ public static final UnicodeBlock IPA_EXTENSIONS
+ = new UnicodeBlock(0x0250, 0x02AF,
+ "IPA_EXTENSIONS",
+ "IPA Extensions");
+
+ /**
+ * Spacing Modifier Letters.
+ * 0x02B0 - 0x02FF.
+ */
+ public static final UnicodeBlock SPACING_MODIFIER_LETTERS
+ = new UnicodeBlock(0x02B0, 0x02FF,
+ "SPACING_MODIFIER_LETTERS",
+ "Spacing Modifier Letters");
+
+ /**
+ * Combining Diacritical Marks.
+ * 0x0300 - 0x036F.
+ */
+ public static final UnicodeBlock COMBINING_DIACRITICAL_MARKS
+ = new UnicodeBlock(0x0300, 0x036F,
+ "COMBINING_DIACRITICAL_MARKS",
+ "Combining Diacritical Marks");
+
+ /**
+ * Greek.
+ * 0x0370 - 0x03FF.
+ */
+ public static final UnicodeBlock GREEK
+ = new UnicodeBlock(0x0370, 0x03FF,
+ "GREEK",
+ "Greek");
+
+ /**
+ * Cyrillic.
+ * 0x0400 - 0x04FF.
+ */
+ public static final UnicodeBlock CYRILLIC
+ = new UnicodeBlock(0x0400, 0x04FF,
+ "CYRILLIC",
+ "Cyrillic");
+
+ /**
+ * Cyrillic Supplementary.
+ * 0x0500 - 0x052F.
+ * @since 1.5
+ */
+ public static final UnicodeBlock CYRILLIC_SUPPLEMENTARY
+ = new UnicodeBlock(0x0500, 0x052F,
+ "CYRILLIC_SUPPLEMENTARY",
+ "Cyrillic Supplementary");
+
+ /**
+ * Armenian.
+ * 0x0530 - 0x058F.
+ */
+ public static final UnicodeBlock ARMENIAN
+ = new UnicodeBlock(0x0530, 0x058F,
+ "ARMENIAN",
+ "Armenian");
+
+ /**
+ * Hebrew.
+ * 0x0590 - 0x05FF.
+ */
+ public static final UnicodeBlock HEBREW
+ = new UnicodeBlock(0x0590, 0x05FF,
+ "HEBREW",
+ "Hebrew");
+
+ /**
+ * Arabic.
+ * 0x0600 - 0x06FF.
+ */
+ public static final UnicodeBlock ARABIC
+ = new UnicodeBlock(0x0600, 0x06FF,
+ "ARABIC",
+ "Arabic");
+
+ /**
+ * Syriac.
+ * 0x0700 - 0x074F.
+ * @since 1.4
+ */
+ public static final UnicodeBlock SYRIAC
+ = new UnicodeBlock(0x0700, 0x074F,
+ "SYRIAC",
+ "Syriac");
+
+ /**
+ * Thaana.
+ * 0x0780 - 0x07BF.
+ * @since 1.4
+ */
+ public static final UnicodeBlock THAANA
+ = new UnicodeBlock(0x0780, 0x07BF,
+ "THAANA",
+ "Thaana");
+
+ /**
+ * Devanagari.
+ * 0x0900 - 0x097F.
+ */
+ public static final UnicodeBlock DEVANAGARI
+ = new UnicodeBlock(0x0900, 0x097F,
+ "DEVANAGARI",
+ "Devanagari");
+
+ /**
+ * Bengali.
+ * 0x0980 - 0x09FF.
+ */
+ public static final UnicodeBlock BENGALI
+ = new UnicodeBlock(0x0980, 0x09FF,
+ "BENGALI",
+ "Bengali");
+
+ /**
+ * Gurmukhi.
+ * 0x0A00 - 0x0A7F.
+ */
+ public static final UnicodeBlock GURMUKHI
+ = new UnicodeBlock(0x0A00, 0x0A7F,
+ "GURMUKHI",
+ "Gurmukhi");
+
+ /**
+ * Gujarati.
+ * 0x0A80 - 0x0AFF.
+ */
+ public static final UnicodeBlock GUJARATI
+ = new UnicodeBlock(0x0A80, 0x0AFF,
+ "GUJARATI",
+ "Gujarati");
+
+ /**
+ * Oriya.
+ * 0x0B00 - 0x0B7F.
+ */
+ public static final UnicodeBlock ORIYA
+ = new UnicodeBlock(0x0B00, 0x0B7F,
+ "ORIYA",
+ "Oriya");
+
+ /**
+ * Tamil.
+ * 0x0B80 - 0x0BFF.
+ */
+ public static final UnicodeBlock TAMIL
+ = new UnicodeBlock(0x0B80, 0x0BFF,
+ "TAMIL",
+ "Tamil");
+
+ /**
+ * Telugu.
+ * 0x0C00 - 0x0C7F.
+ */
+ public static final UnicodeBlock TELUGU
+ = new UnicodeBlock(0x0C00, 0x0C7F,
+ "TELUGU",
+ "Telugu");
+
+ /**
+ * Kannada.
+ * 0x0C80 - 0x0CFF.
+ */
+ public static final UnicodeBlock KANNADA
+ = new UnicodeBlock(0x0C80, 0x0CFF,
+ "KANNADA",
+ "Kannada");
+
+ /**
+ * Malayalam.
+ * 0x0D00 - 0x0D7F.
+ */
+ public static final UnicodeBlock MALAYALAM
+ = new UnicodeBlock(0x0D00, 0x0D7F,
+ "MALAYALAM",
+ "Malayalam");
+
+ /**
+ * Sinhala.
+ * 0x0D80 - 0x0DFF.
+ * @since 1.4
+ */
+ public static final UnicodeBlock SINHALA
+ = new UnicodeBlock(0x0D80, 0x0DFF,
+ "SINHALA",
+ "Sinhala");
+
+ /**
+ * Thai.
+ * 0x0E00 - 0x0E7F.
+ */
+ public static final UnicodeBlock THAI
+ = new UnicodeBlock(0x0E00, 0x0E7F,
+ "THAI",
+ "Thai");
+
+ /**
+ * Lao.
+ * 0x0E80 - 0x0EFF.
+ */
+ public static final UnicodeBlock LAO
+ = new UnicodeBlock(0x0E80, 0x0EFF,
+ "LAO",
+ "Lao");
+
+ /**
+ * Tibetan.
+ * 0x0F00 - 0x0FFF.
+ */
+ public static final UnicodeBlock TIBETAN
+ = new UnicodeBlock(0x0F00, 0x0FFF,
+ "TIBETAN",
+ "Tibetan");
+
+ /**
+ * Myanmar.
+ * 0x1000 - 0x109F.
+ * @since 1.4
+ */
+ public static final UnicodeBlock MYANMAR
+ = new UnicodeBlock(0x1000, 0x109F,
+ "MYANMAR",
+ "Myanmar");
+
+ /**
+ * Georgian.
+ * 0x10A0 - 0x10FF.
+ */
+ public static final UnicodeBlock GEORGIAN
+ = new UnicodeBlock(0x10A0, 0x10FF,
+ "GEORGIAN",
+ "Georgian");
+
+ /**
+ * Hangul Jamo.
+ * 0x1100 - 0x11FF.
+ */
+ public static final UnicodeBlock HANGUL_JAMO
+ = new UnicodeBlock(0x1100, 0x11FF,
+ "HANGUL_JAMO",
+ "Hangul Jamo");
+
+ /**
+ * Ethiopic.
+ * 0x1200 - 0x137F.
+ * @since 1.4
+ */
+ public static final UnicodeBlock ETHIOPIC
+ = new UnicodeBlock(0x1200, 0x137F,
+ "ETHIOPIC",
+ "Ethiopic");
+
+ /**
+ * Cherokee.
+ * 0x13A0 - 0x13FF.
+ * @since 1.4
+ */
+ public static final UnicodeBlock CHEROKEE
+ = new UnicodeBlock(0x13A0, 0x13FF,
+ "CHEROKEE",
+ "Cherokee");
+
+ /**
+ * Unified Canadian Aboriginal Syllabics.
+ * 0x1400 - 0x167F.
+ * @since 1.4
+ */
+ public static final UnicodeBlock UNIFIED_CANADIAN_ABORIGINAL_SYLLABICS
+ = new UnicodeBlock(0x1400, 0x167F,
+ "UNIFIED_CANADIAN_ABORIGINAL_SYLLABICS",
+ "Unified Canadian Aboriginal Syllabics");
+
+ /**
+ * Ogham.
+ * 0x1680 - 0x169F.
+ * @since 1.4
+ */
+ public static final UnicodeBlock OGHAM
+ = new UnicodeBlock(0x1680, 0x169F,
+ "OGHAM",
+ "Ogham");
+
+ /**
+ * Runic.
+ * 0x16A0 - 0x16FF.
+ * @since 1.4
+ */
+ public static final UnicodeBlock RUNIC
+ = new UnicodeBlock(0x16A0, 0x16FF,
+ "RUNIC",
+ "Runic");
+
+ /**
+ * Tagalog.
+ * 0x1700 - 0x171F.
+ * @since 1.5
+ */
+ public static final UnicodeBlock TAGALOG
+ = new UnicodeBlock(0x1700, 0x171F,
+ "TAGALOG",
+ "Tagalog");
+
+ /**
+ * Hanunoo.
+ * 0x1720 - 0x173F.
+ * @since 1.5
+ */
+ public static final UnicodeBlock HANUNOO
+ = new UnicodeBlock(0x1720, 0x173F,
+ "HANUNOO",
+ "Hanunoo");
+
+ /**
+ * Buhid.
+ * 0x1740 - 0x175F.
+ * @since 1.5
+ */
+ public static final UnicodeBlock BUHID
+ = new UnicodeBlock(0x1740, 0x175F,
+ "BUHID",
+ "Buhid");
+
+ /**
+ * Tagbanwa.
+ * 0x1760 - 0x177F.
+ * @since 1.5
+ */
+ public static final UnicodeBlock TAGBANWA
+ = new UnicodeBlock(0x1760, 0x177F,
+ "TAGBANWA",
+ "Tagbanwa");
+
+ /**
+ * Khmer.
+ * 0x1780 - 0x17FF.
+ * @since 1.4
+ */
+ public static final UnicodeBlock KHMER
+ = new UnicodeBlock(0x1780, 0x17FF,
+ "KHMER",
+ "Khmer");
+
+ /**
+ * Mongolian.
+ * 0x1800 - 0x18AF.
+ * @since 1.4
+ */
+ public static final UnicodeBlock MONGOLIAN
+ = new UnicodeBlock(0x1800, 0x18AF,
+ "MONGOLIAN",
+ "Mongolian");
+
+ /**
+ * Limbu.
+ * 0x1900 - 0x194F.
+ * @since 1.5
+ */
+ public static final UnicodeBlock LIMBU
+ = new UnicodeBlock(0x1900, 0x194F,
+ "LIMBU",
+ "Limbu");
+
+ /**
+ * Tai Le.
+ * 0x1950 - 0x197F.
+ * @since 1.5
+ */
+ public static final UnicodeBlock TAI_LE
+ = new UnicodeBlock(0x1950, 0x197F,
+ "TAI_LE",
+ "Tai Le");
+
+ /**
+ * Khmer Symbols.
+ * 0x19E0 - 0x19FF.
+ * @since 1.5
+ */
+ public static final UnicodeBlock KHMER_SYMBOLS
+ = new UnicodeBlock(0x19E0, 0x19FF,
+ "KHMER_SYMBOLS",
+ "Khmer Symbols");
+
+ /**
+ * Phonetic Extensions.
+ * 0x1D00 - 0x1D7F.
+ * @since 1.5
+ */
+ public static final UnicodeBlock PHONETIC_EXTENSIONS
+ = new UnicodeBlock(0x1D00, 0x1D7F,
+ "PHONETIC_EXTENSIONS",
+ "Phonetic Extensions");
+
+ /**
+ * Latin Extended Additional.
+ * 0x1E00 - 0x1EFF.
+ */
+ public static final UnicodeBlock LATIN_EXTENDED_ADDITIONAL
+ = new UnicodeBlock(0x1E00, 0x1EFF,
+ "LATIN_EXTENDED_ADDITIONAL",
+ "Latin Extended Additional");
+
+ /**
+ * Greek Extended.
+ * 0x1F00 - 0x1FFF.
+ */
+ public static final UnicodeBlock GREEK_EXTENDED
+ = new UnicodeBlock(0x1F00, 0x1FFF,
+ "GREEK_EXTENDED",
+ "Greek Extended");
+
+ /**
+ * General Punctuation.
+ * 0x2000 - 0x206F.
+ */
+ public static final UnicodeBlock GENERAL_PUNCTUATION
+ = new UnicodeBlock(0x2000, 0x206F,
+ "GENERAL_PUNCTUATION",
+ "General Punctuation");
+
+ /**
+ * Superscripts and Subscripts.
+ * 0x2070 - 0x209F.
+ */
+ public static final UnicodeBlock SUPERSCRIPTS_AND_SUBSCRIPTS
+ = new UnicodeBlock(0x2070, 0x209F,
+ "SUPERSCRIPTS_AND_SUBSCRIPTS",
+ "Superscripts and Subscripts");
+
+ /**
+ * Currency Symbols.
+ * 0x20A0 - 0x20CF.
+ */
+ public static final UnicodeBlock CURRENCY_SYMBOLS
+ = new UnicodeBlock(0x20A0, 0x20CF,
+ "CURRENCY_SYMBOLS",
+ "Currency Symbols");
+
+ /**
+ * Combining Marks for Symbols.
+ * 0x20D0 - 0x20FF.
+ */
+ public static final UnicodeBlock COMBINING_MARKS_FOR_SYMBOLS
+ = new UnicodeBlock(0x20D0, 0x20FF,
+ "COMBINING_MARKS_FOR_SYMBOLS",
+ "Combining Marks for Symbols");
+
+ /**
+ * Letterlike Symbols.
+ * 0x2100 - 0x214F.
+ */
+ public static final UnicodeBlock LETTERLIKE_SYMBOLS
+ = new UnicodeBlock(0x2100, 0x214F,
+ "LETTERLIKE_SYMBOLS",
+ "Letterlike Symbols");
+
+ /**
+ * Number Forms.
+ * 0x2150 - 0x218F.
+ */
+ public static final UnicodeBlock NUMBER_FORMS
+ = new UnicodeBlock(0x2150, 0x218F,
+ "NUMBER_FORMS",
+ "Number Forms");
+
+ /**
+ * Arrows.
+ * 0x2190 - 0x21FF.
+ */
+ public static final UnicodeBlock ARROWS
+ = new UnicodeBlock(0x2190, 0x21FF,
+ "ARROWS",
+ "Arrows");
+
+ /**
+ * Mathematical Operators.
+ * 0x2200 - 0x22FF.
+ */
+ public static final UnicodeBlock MATHEMATICAL_OPERATORS
+ = new UnicodeBlock(0x2200, 0x22FF,
+ "MATHEMATICAL_OPERATORS",
+ "Mathematical Operators");
+
+ /**
+ * Miscellaneous Technical.
+ * 0x2300 - 0x23FF.
+ */
+ public static final UnicodeBlock MISCELLANEOUS_TECHNICAL
+ = new UnicodeBlock(0x2300, 0x23FF,
+ "MISCELLANEOUS_TECHNICAL",
+ "Miscellaneous Technical");
+
+ /**
+ * Control Pictures.
+ * 0x2400 - 0x243F.
+ */
+ public static final UnicodeBlock CONTROL_PICTURES
+ = new UnicodeBlock(0x2400, 0x243F,
+ "CONTROL_PICTURES",
+ "Control Pictures");
+
+ /**
+ * Optical Character Recognition.
+ * 0x2440 - 0x245F.
+ */
+ public static final UnicodeBlock OPTICAL_CHARACTER_RECOGNITION
+ = new UnicodeBlock(0x2440, 0x245F,
+ "OPTICAL_CHARACTER_RECOGNITION",
+ "Optical Character Recognition");
+
+ /**
+ * Enclosed Alphanumerics.
+ * 0x2460 - 0x24FF.
+ */
+ public static final UnicodeBlock ENCLOSED_ALPHANUMERICS
+ = new UnicodeBlock(0x2460, 0x24FF,
+ "ENCLOSED_ALPHANUMERICS",
+ "Enclosed Alphanumerics");
+
+ /**
+ * Box Drawing.
+ * 0x2500 - 0x257F.
+ */
+ public static final UnicodeBlock BOX_DRAWING
+ = new UnicodeBlock(0x2500, 0x257F,
+ "BOX_DRAWING",
+ "Box Drawing");
+
+ /**
+ * Block Elements.
+ * 0x2580 - 0x259F.
+ */
+ public static final UnicodeBlock BLOCK_ELEMENTS
+ = new UnicodeBlock(0x2580, 0x259F,
+ "BLOCK_ELEMENTS",
+ "Block Elements");
+
+ /**
+ * Geometric Shapes.
+ * 0x25A0 - 0x25FF.
+ */
+ public static final UnicodeBlock GEOMETRIC_SHAPES
+ = new UnicodeBlock(0x25A0, 0x25FF,
+ "GEOMETRIC_SHAPES",
+ "Geometric Shapes");
+
+ /**
+ * Miscellaneous Symbols.
+ * 0x2600 - 0x26FF.
+ */
+ public static final UnicodeBlock MISCELLANEOUS_SYMBOLS
+ = new UnicodeBlock(0x2600, 0x26FF,
+ "MISCELLANEOUS_SYMBOLS",
+ "Miscellaneous Symbols");
+
+ /**
+ * Dingbats.
+ * 0x2700 - 0x27BF.
+ */
+ public static final UnicodeBlock DINGBATS
+ = new UnicodeBlock(0x2700, 0x27BF,
+ "DINGBATS",
+ "Dingbats");
+
+ /**
+ * Miscellaneous Mathematical Symbols-A.
+ * 0x27C0 - 0x27EF.
+ * @since 1.5
+ */
+ public static final UnicodeBlock MISCELLANEOUS_MATHEMATICAL_SYMBOLS_A
+ = new UnicodeBlock(0x27C0, 0x27EF,
+ "MISCELLANEOUS_MATHEMATICAL_SYMBOLS_A",
+ "Miscellaneous Mathematical Symbols-A");
+
+ /**
+ * Supplemental Arrows-A.
+ * 0x27F0 - 0x27FF.
+ * @since 1.5
+ */
+ public static final UnicodeBlock SUPPLEMENTAL_ARROWS_A
+ = new UnicodeBlock(0x27F0, 0x27FF,
+ "SUPPLEMENTAL_ARROWS_A",
+ "Supplemental Arrows-A");
+
+ /**
+ * Braille Patterns.
+ * 0x2800 - 0x28FF.
+ * @since 1.4
+ */
+ public static final UnicodeBlock BRAILLE_PATTERNS
+ = new UnicodeBlock(0x2800, 0x28FF,
+ "BRAILLE_PATTERNS",
+ "Braille Patterns");
+
+ /**
+ * Supplemental Arrows-B.
+ * 0x2900 - 0x297F.
+ * @since 1.5
+ */
+ public static final UnicodeBlock SUPPLEMENTAL_ARROWS_B
+ = new UnicodeBlock(0x2900, 0x297F,
+ "SUPPLEMENTAL_ARROWS_B",
+ "Supplemental Arrows-B");
+
+ /**
+ * Miscellaneous Mathematical Symbols-B.
+ * 0x2980 - 0x29FF.
+ * @since 1.5
+ */
+ public static final UnicodeBlock MISCELLANEOUS_MATHEMATICAL_SYMBOLS_B
+ = new UnicodeBlock(0x2980, 0x29FF,
+ "MISCELLANEOUS_MATHEMATICAL_SYMBOLS_B",
+ "Miscellaneous Mathematical Symbols-B");
+
+ /**
+ * Supplemental Mathematical Operators.
+ * 0x2A00 - 0x2AFF.
+ * @since 1.5
+ */
+ public static final UnicodeBlock SUPPLEMENTAL_MATHEMATICAL_OPERATORS
+ = new UnicodeBlock(0x2A00, 0x2AFF,
+ "SUPPLEMENTAL_MATHEMATICAL_OPERATORS",
+ "Supplemental Mathematical Operators");
+
+ /**
+ * Miscellaneous Symbols and Arrows.
+ * 0x2B00 - 0x2BFF.
+ * @since 1.5
+ */
+ public static final UnicodeBlock MISCELLANEOUS_SYMBOLS_AND_ARROWS
+ = new UnicodeBlock(0x2B00, 0x2BFF,
+ "MISCELLANEOUS_SYMBOLS_AND_ARROWS",
+ "Miscellaneous Symbols and Arrows");
+
+ /**
+ * CJK Radicals Supplement.
+ * 0x2E80 - 0x2EFF.
+ * @since 1.4
+ */
+ public static final UnicodeBlock CJK_RADICALS_SUPPLEMENT
+ = new UnicodeBlock(0x2E80, 0x2EFF,
+ "CJK_RADICALS_SUPPLEMENT",
+ "CJK Radicals Supplement");
+
+ /**
+ * Kangxi Radicals.
+ * 0x2F00 - 0x2FDF.
+ * @since 1.4
+ */
+ public static final UnicodeBlock KANGXI_RADICALS
+ = new UnicodeBlock(0x2F00, 0x2FDF,
+ "KANGXI_RADICALS",
+ "Kangxi Radicals");
+
+ /**
+ * Ideographic Description Characters.
+ * 0x2FF0 - 0x2FFF.
+ * @since 1.4
+ */
+ public static final UnicodeBlock IDEOGRAPHIC_DESCRIPTION_CHARACTERS
+ = new UnicodeBlock(0x2FF0, 0x2FFF,
+ "IDEOGRAPHIC_DESCRIPTION_CHARACTERS",
+ "Ideographic Description Characters");
+
+ /**
+ * CJK Symbols and Punctuation.
+ * 0x3000 - 0x303F.
+ */
+ public static final UnicodeBlock CJK_SYMBOLS_AND_PUNCTUATION
+ = new UnicodeBlock(0x3000, 0x303F,
+ "CJK_SYMBOLS_AND_PUNCTUATION",
+ "CJK Symbols and Punctuation");
+
+ /**
+ * Hiragana.
+ * 0x3040 - 0x309F.
+ */
+ public static final UnicodeBlock HIRAGANA
+ = new UnicodeBlock(0x3040, 0x309F,
+ "HIRAGANA",
+ "Hiragana");
+
+ /**
+ * Katakana.
+ * 0x30A0 - 0x30FF.
+ */
+ public static final UnicodeBlock KATAKANA
+ = new UnicodeBlock(0x30A0, 0x30FF,
+ "KATAKANA",
+ "Katakana");
+
+ /**
+ * Bopomofo.
+ * 0x3100 - 0x312F.
+ */
+ public static final UnicodeBlock BOPOMOFO
+ = new UnicodeBlock(0x3100, 0x312F,
+ "BOPOMOFO",
+ "Bopomofo");
+
+ /**
+ * Hangul Compatibility Jamo.
+ * 0x3130 - 0x318F.
+ */
+ public static final UnicodeBlock HANGUL_COMPATIBILITY_JAMO
+ = new UnicodeBlock(0x3130, 0x318F,
+ "HANGUL_COMPATIBILITY_JAMO",
+ "Hangul Compatibility Jamo");
+
+ /**
+ * Kanbun.
+ * 0x3190 - 0x319F.
+ */
+ public static final UnicodeBlock KANBUN
+ = new UnicodeBlock(0x3190, 0x319F,
+ "KANBUN",
+ "Kanbun");
+
+ /**
+ * Bopomofo Extended.
+ * 0x31A0 - 0x31BF.
+ * @since 1.4
+ */
+ public static final UnicodeBlock BOPOMOFO_EXTENDED
+ = new UnicodeBlock(0x31A0, 0x31BF,
+ "BOPOMOFO_EXTENDED",
+ "Bopomofo Extended");
+
+ /**
+ * Katakana Phonetic Extensions.
+ * 0x31F0 - 0x31FF.
+ * @since 1.5
+ */
+ public static final UnicodeBlock KATAKANA_PHONETIC_EXTENSIONS
+ = new UnicodeBlock(0x31F0, 0x31FF,
+ "KATAKANA_PHONETIC_EXTENSIONS",
+ "Katakana Phonetic Extensions");
+
+ /**
+ * Enclosed CJK Letters and Months.
+ * 0x3200 - 0x32FF.
+ */
+ public static final UnicodeBlock ENCLOSED_CJK_LETTERS_AND_MONTHS
+ = new UnicodeBlock(0x3200, 0x32FF,
+ "ENCLOSED_CJK_LETTERS_AND_MONTHS",
+ "Enclosed CJK Letters and Months");
+
+ /**
+ * CJK Compatibility.
+ * 0x3300 - 0x33FF.
+ */
+ public static final UnicodeBlock CJK_COMPATIBILITY
+ = new UnicodeBlock(0x3300, 0x33FF,
+ "CJK_COMPATIBILITY",
+ "CJK Compatibility");
+
+ /**
+ * CJK Unified Ideographs Extension A.
+ * 0x3400 - 0x4DBF.
+ * @since 1.4
+ */
+ public static final UnicodeBlock CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A
+ = new UnicodeBlock(0x3400, 0x4DBF,
+ "CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A",
+ "CJK Unified Ideographs Extension A");
+
+ /**
+ * Yijing Hexagram Symbols.
+ * 0x4DC0 - 0x4DFF.
+ * @since 1.5
+ */
+ public static final UnicodeBlock YIJING_HEXAGRAM_SYMBOLS
+ = new UnicodeBlock(0x4DC0, 0x4DFF,
+ "YIJING_HEXAGRAM_SYMBOLS",
+ "Yijing Hexagram Symbols");
+
+ /**
+ * CJK Unified Ideographs.
+ * 0x4E00 - 0x9FFF.
+ */
+ public static final UnicodeBlock CJK_UNIFIED_IDEOGRAPHS
+ = new UnicodeBlock(0x4E00, 0x9FFF,
+ "CJK_UNIFIED_IDEOGRAPHS",
+ "CJK Unified Ideographs");
+
+ /**
+ * Yi Syllables.
+ * 0xA000 - 0xA48F.
+ * @since 1.4
+ */
+ public static final UnicodeBlock YI_SYLLABLES
+ = new UnicodeBlock(0xA000, 0xA48F,
+ "YI_SYLLABLES",
+ "Yi Syllables");
+
+ /**
+ * Yi Radicals.
+ * 0xA490 - 0xA4CF.
+ * @since 1.4
+ */
+ public static final UnicodeBlock YI_RADICALS
+ = new UnicodeBlock(0xA490, 0xA4CF,
+ "YI_RADICALS",
+ "Yi Radicals");
+
+ /**
+ * Hangul Syllables.
+ * 0xAC00 - 0xD7AF.
+ */
+ public static final UnicodeBlock HANGUL_SYLLABLES
+ = new UnicodeBlock(0xAC00, 0xD7AF,
+ "HANGUL_SYLLABLES",
+ "Hangul Syllables");
+
+ /**
+ * High Surrogates.
+ * 0xD800 - 0xDB7F.
+ * @since 1.5
+ */
+ public static final UnicodeBlock HIGH_SURROGATES
+ = new UnicodeBlock(0xD800, 0xDB7F,
+ "HIGH_SURROGATES",
+ "High Surrogates");
+
+ /**
+ * High Private Use Surrogates.
+ * 0xDB80 - 0xDBFF.
+ * @since 1.5
+ */
+ public static final UnicodeBlock HIGH_PRIVATE_USE_SURROGATES
+ = new UnicodeBlock(0xDB80, 0xDBFF,
+ "HIGH_PRIVATE_USE_SURROGATES",
+ "High Private Use Surrogates");
+
+ /**
+ * Low Surrogates.
+ * 0xDC00 - 0xDFFF.
+ * @since 1.5
+ */
+ public static final UnicodeBlock LOW_SURROGATES
+ = new UnicodeBlock(0xDC00, 0xDFFF,
+ "LOW_SURROGATES",
+ "Low Surrogates");
+
+ /**
+ * Private Use Area.
+ * 0xE000 - 0xF8FF.
+ */
+ public static final UnicodeBlock PRIVATE_USE_AREA
+ = new UnicodeBlock(0xE000, 0xF8FF,
+ "PRIVATE_USE_AREA",
+ "Private Use Area");
+
+ /**
+ * CJK Compatibility Ideographs.
+ * 0xF900 - 0xFAFF.
+ */
+ public static final UnicodeBlock CJK_COMPATIBILITY_IDEOGRAPHS
+ = new UnicodeBlock(0xF900, 0xFAFF,
+ "CJK_COMPATIBILITY_IDEOGRAPHS",
+ "CJK Compatibility Ideographs");
+
+ /**
+ * Alphabetic Presentation Forms.
+ * 0xFB00 - 0xFB4F.
+ */
+ public static final UnicodeBlock ALPHABETIC_PRESENTATION_FORMS
+ = new UnicodeBlock(0xFB00, 0xFB4F,
+ "ALPHABETIC_PRESENTATION_FORMS",
+ "Alphabetic Presentation Forms");
+
+ /**
+ * Arabic Presentation Forms-A.
+ * 0xFB50 - 0xFDFF.
+ */
+ public static final UnicodeBlock ARABIC_PRESENTATION_FORMS_A
+ = new UnicodeBlock(0xFB50, 0xFDFF,
+ "ARABIC_PRESENTATION_FORMS_A",
+ "Arabic Presentation Forms-A");
+
+ /**
+ * Variation Selectors.
+ * 0xFE00 - 0xFE0F.
+ * @since 1.5
+ */
+ public static final UnicodeBlock VARIATION_SELECTORS
+ = new UnicodeBlock(0xFE00, 0xFE0F,
+ "VARIATION_SELECTORS",
+ "Variation Selectors");
+
+ /**
+ * Combining Half Marks.
+ * 0xFE20 - 0xFE2F.
+ */
+ public static final UnicodeBlock COMBINING_HALF_MARKS
+ = new UnicodeBlock(0xFE20, 0xFE2F,
+ "COMBINING_HALF_MARKS",
+ "Combining Half Marks");
+
+ /**
+ * CJK Compatibility Forms.
+ * 0xFE30 - 0xFE4F.
+ */
+ public static final UnicodeBlock CJK_COMPATIBILITY_FORMS
+ = new UnicodeBlock(0xFE30, 0xFE4F,
+ "CJK_COMPATIBILITY_FORMS",
+ "CJK Compatibility Forms");
+
+ /**
+ * Small Form Variants.
+ * 0xFE50 - 0xFE6F.
+ */
+ public static final UnicodeBlock SMALL_FORM_VARIANTS
+ = new UnicodeBlock(0xFE50, 0xFE6F,
+ "SMALL_FORM_VARIANTS",
+ "Small Form Variants");
+
+ /**
+ * Arabic Presentation Forms-B.
+ * 0xFE70 - 0xFEFF.
+ */
+ public static final UnicodeBlock ARABIC_PRESENTATION_FORMS_B
+ = new UnicodeBlock(0xFE70, 0xFEFF,
+ "ARABIC_PRESENTATION_FORMS_B",
+ "Arabic Presentation Forms-B");
+
+ /**
+ * Halfwidth and Fullwidth Forms.
+ * 0xFF00 - 0xFFEF.
+ */
+ public static final UnicodeBlock HALFWIDTH_AND_FULLWIDTH_FORMS
+ = new UnicodeBlock(0xFF00, 0xFFEF,
+ "HALF...
[truncated message content] |
|
From: <ls...@us...> - 2006-12-12 21:13:42
|
Revision: 2899
http://jnode.svn.sourceforge.net/jnode/?rev=2899&view=rev
Author: lsantha
Date: 2006-12-12 13:13:38 -0800 (Tue, 12 Dec 2006)
Log Message:
-----------
Migrating to Java 5 level classpath.
Added Paths:
-----------
trunk/core/src/classpath/java/java/lang/ref/
trunk/core/src/classpath/java/java/lang/ref/PhantomReference.java
trunk/core/src/classpath/java/java/lang/ref/Reference.java
trunk/core/src/classpath/java/java/lang/ref/ReferenceQueue.java
trunk/core/src/classpath/java/java/lang/ref/SoftReference.java
trunk/core/src/classpath/java/java/lang/ref/WeakReference.java
trunk/core/src/classpath/java/java/lang/ref/package.html
Added: trunk/core/src/classpath/java/java/lang/ref/PhantomReference.java
===================================================================
--- trunk/core/src/classpath/java/java/lang/ref/PhantomReference.java (rev 0)
+++ trunk/core/src/classpath/java/java/lang/ref/PhantomReference.java 2006-12-12 21:13:38 UTC (rev 2899)
@@ -0,0 +1,73 @@
+/* java.lang.ref.PhantomReference
+ Copyright (C) 1999, 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.lang.ref;
+
+/**
+ * A phantom reference is useful, to get notified, when an object got
+ * finalized. You can't access that object though, since it is
+ * finalized. This is the reason, why <code>get()</code> always
+ * returns null.
+ *
+ * @author Jochen Hoenicke
+ */
+public class PhantomReference<T>
+ extends Reference<T>
+{
+ /**
+ * Creates a new phantom reference.
+ * @param referent the object that should be watched.
+ * @param q the queue that should be notified, if the referent was
+ * finalized. This mustn't be <code>null</code>.
+ * @exception NullPointerException if q is null.
+ */
+ public PhantomReference(T referent, ReferenceQueue<? super T> q)
+ {
+ super(referent, q);
+ }
+
+ /**
+ * Returns the object, this reference refers to.
+ * @return <code>null</code>, since the refered object may be
+ * finalized and thus not accessible.
+ */
+ public T get()
+ {
+ return null;
+ }
+}
Added: trunk/core/src/classpath/java/java/lang/ref/Reference.java
===================================================================
--- trunk/core/src/classpath/java/java/lang/ref/Reference.java (rev 0)
+++ trunk/core/src/classpath/java/java/lang/ref/Reference.java 2006-12-12 21:13:38 UTC (rev 2899)
@@ -0,0 +1,177 @@
+/* java.lang.ref.Reference
+ Copyright (C) 1999, 2002, 2003, 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.lang.ref;
+
+/**
+ * This is the base class of all references. A reference allows
+ * refering to an object without preventing the garbage collector to
+ * collect it. The only way to get the referred object is via the
+ * <code>get()</code>-method. This method will return
+ * <code>null</code> if the object was collected. <br>
+ *
+ * A reference may be registered with a queue. When a referred
+ * element gets collected the reference will be put on the queue, so
+ * that you will be notified. <br>
+ *
+ * There are currently three types of references: soft reference,
+ * weak reference and phantom reference. <br>
+ *
+ * Soft references will be cleared if the garbage collector is told
+ * to free some memory and there are no unreferenced or weakly referenced
+ * objects. It is useful for caches. <br>
+ *
+ * Weak references will be cleared as soon as the garbage collector
+ * determines that the refered object is only weakly reachable. They
+ * are useful as keys in hashtables (see <code>WeakHashtable</code>) as
+ * you get notified when nobody has the key anymore.
+ *
+ * Phantom references don't prevent finalization. If an object is only
+ * phantom reachable, it will be finalized, and the reference will be
+ * enqueued, but not cleared. Since you mustn't access an finalized
+ * object, the <code>get</code> method of a phantom reference will never
+ * work. It is useful to keep track, when an object is finalized.
+ *
+ * @author Jochen Hoenicke
+ * @see java.util.WeakHashMap
+ */
+public abstract class Reference<T>
+{
+ /**
+ * The underlying object. This field is handled in a special way by
+ * the garbage collector.
+ */
+ T referent;
+
+ /**
+ * The queue this reference is registered on. This is null, if this
+ * wasn't registered to any queue or reference was already enqueued.
+ */
+ ReferenceQueue<? super T> queue;
+
+ /**
+ * Link to the next entry on the queue. If this is null, this
+ * reference is not enqueued. Otherwise it points to the next
+ * reference. The last reference on a queue will point to itself
+ * (not to null, that value is used to mark a not enqueued
+ * reference).
+ */
+ Reference nextOnQueue;
+
+ /**
+ * This lock should be taken by the garbage collector, before
+ * determining reachability. It will prevent the get()-method to
+ * return the reference so that reachability doesn't change.
+ */
+ static Object lock = new Object();
+
+ /**
+ * Creates a new reference that is not registered to any queue.
+ * Since it is package private, it is not possible to overload this
+ * class in a different package.
+ * @param ref the object we refer to.
+ */
+ Reference(T ref)
+ {
+ referent = ref;
+ }
+
+ /**
+ * Creates a reference that is registered to a queue. Since this is
+ * package private, it is not possible to overload this class in a
+ * different package.
+ * @param ref the object we refer to.
+ * @param q the reference queue to register on.
+ * @exception NullPointerException if q is null.
+ */
+ Reference(T ref, ReferenceQueue<? super T> q)
+ {
+ if (q == null)
+ throw new NullPointerException();
+ referent = ref;
+ queue = q;
+ }
+
+ /**
+ * Returns the object, this reference refers to.
+ * @return the object, this reference refers to, or null if the
+ * reference was cleared.
+ */
+ public T get()
+ {
+ synchronized (lock)
+ {
+ return referent;
+ }
+ }
+
+ /**
+ * Clears the reference, so that it doesn't refer to its object
+ * anymore. For soft and weak references this is called by the
+ * garbage collector. For phantom references you should call
+ * this when enqueuing the reference.
+ */
+ public void clear()
+ {
+ referent = null;
+ }
+
+ /**
+ * Tells if the object is enqueued on a reference queue.
+ * @return true if it is enqueued, false otherwise.
+ */
+ public boolean isEnqueued()
+ {
+ return nextOnQueue != null;
+ }
+
+ /**
+ * Enqueue an object on a reference queue. This is normally executed
+ * by the garbage collector.
+ */
+ public boolean enqueue()
+ {
+ if (queue != null && nextOnQueue == null)
+ {
+ queue.enqueue(this);
+ queue = null;
+ return true;
+ }
+ return false;
+ }
+}
Added: trunk/core/src/classpath/java/java/lang/ref/ReferenceQueue.java
===================================================================
--- trunk/core/src/classpath/java/java/lang/ref/ReferenceQueue.java (rev 0)
+++ trunk/core/src/classpath/java/java/lang/ref/ReferenceQueue.java 2006-12-12 21:13:38 UTC (rev 2899)
@@ -0,0 +1,145 @@
+/* java.lang.ref.ReferenceQueue
+ Copyright (C) 1999, 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.lang.ref;
+
+/**
+ * This is the queue, where references can enqueue themselve on. Each
+ * reference may be registered to a queue at initialization time and
+ * will be appended to the queue, when the enqueue method is called.
+ *
+ * The enqueue method may be automatically called by the garbage
+ * collector if it detects, that the object is only reachable through
+ * the Reference objects.
+ *
+ * @author Jochen Hoenicke
+ * @see Reference#enqueue()
+ */
+public class ReferenceQueue<T>
+{
+ /**
+ * This is a linked list of references. If this is null, the list is
+ * empty. Otherwise this points to the first reference on the queue.
+ * The first reference will point to the next reference via the
+ * <code>nextOnQueue</code> field. The last reference will point to
+ * itself (not to null, since <code>nextOnQueue</code> is used to
+ * determine if a reference is enqueued).
+ */
+ private Reference<? extends T> first;
+
+ /**
+ * Creates a new empty reference queue.
+ */
+ public ReferenceQueue()
+ {
+ }
+
+ /**
+ * Checks if there is a reference on the queue, returning it
+ * immediately. The reference will be dequeued.
+ *
+ * @return a reference on the queue, if there is one,
+ * <code>null</code> otherwise.
+ */
+ public synchronized Reference<? extends T> poll()
+ {
+ return dequeue();
+ }
+
+ /**
+ * This is called by reference to enqueue itself on this queue.
+ * @param ref the reference that should be enqueued.
+ */
+ synchronized void enqueue(Reference<? extends T> ref)
+ {
+ /* last reference will point to itself */
+ ref.nextOnQueue = first == null ? ref : first;
+ first = ref;
+ /* this wakes only one remove thread. */
+ notify();
+ }
+
+ /**
+ * Remove a reference from the queue, if there is one.
+ * @return the first element of the queue, or null if there isn't any.
+ */
+ private Reference<? extends T> dequeue()
+ {
+ if (first == null)
+ return null;
+
+ Reference<? extends T> result = first;
+ first = (first == first.nextOnQueue) ? null : first.nextOnQueue;
+ result.nextOnQueue = null;
+ return result;
+ }
+
+ /**
+ * Removes a reference from the queue, blocking for <code>timeout</code>
+ * until a reference is enqueued.
+ * @param timeout the timeout period in milliseconds, <code>0</code> means
+ * wait forever.
+ * @return the reference removed from the queue, or
+ * <code>null</code> if timeout period expired.
+ * @exception InterruptedException if the wait was interrupted.
+ */
+ public synchronized Reference<? extends T> remove(long timeout)
+ throws InterruptedException
+ {
+ if (first == null)
+ {
+ wait(timeout);
+ }
+
+ return dequeue();
+ }
+
+
+ /**
+ * Removes a reference from the queue, blocking until a reference is
+ * enqueued.
+ *
+ * @return the reference removed from the queue.
+ * @exception InterruptedException if the wait was interrupted.
+ */
+ public Reference<? extends T> remove()
+ throws InterruptedException
+ {
+ return remove(0L);
+ }
+}
Added: trunk/core/src/classpath/java/java/lang/ref/SoftReference.java
===================================================================
--- trunk/core/src/classpath/java/java/lang/ref/SoftReference.java (rev 0)
+++ trunk/core/src/classpath/java/java/lang/ref/SoftReference.java 2006-12-12 21:13:38 UTC (rev 2899)
@@ -0,0 +1,84 @@
+/* java.lang.ref.SoftReference
+ Copyright (C) 1999, 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.lang.ref;
+
+/**
+ * A soft reference will be cleared, if the object is only softly
+ * reachable and the garbage collection needs more memory. The garbage
+ * collection will use an intelligent strategy to determine which soft
+ * references it should clear. This makes a soft reference ideal for
+ * caches.<br>
+ *
+ * @author Jochen Hoenicke
+ */
+public class SoftReference<T>
+ extends Reference<T>
+{
+ /**
+ * Create a new soft reference, that is not registered to any queue.
+ * @param referent the object we refer to.
+ */
+ public SoftReference(T referent)
+ {
+ super(referent);
+ }
+
+ /**
+ * Create a new soft reference.
+ * @param referent the object we refer to.
+ * @param q the reference queue to register on.
+ * @exception NullPointerException if q is null.
+ */
+ public SoftReference(T referent, ReferenceQueue<? super T> q)
+ {
+ super(referent, q);
+ }
+
+ /**
+ * Returns the object, this reference refers to.
+ * @return the object, this reference refers to, or null if the
+ * reference was cleared.
+ */
+ public T get()
+ {
+ /* Why is this overloaded???
+ * Maybe for a kind of LRU strategy. */
+ return super.get();
+ }
+}
Added: trunk/core/src/classpath/java/java/lang/ref/WeakReference.java
===================================================================
--- trunk/core/src/classpath/java/java/lang/ref/WeakReference.java (rev 0)
+++ trunk/core/src/classpath/java/java/lang/ref/WeakReference.java 2006-12-12 21:13:38 UTC (rev 2899)
@@ -0,0 +1,79 @@
+/* java.lang.ref.WeakReference
+ Copyright (C) 1999, 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.lang.ref;
+
+/**
+ * A weak reference will be cleared, if the object is only weakly
+ * reachable. It is useful for lookup tables, where you aren't
+ * interested in an entry, if the key isn't reachable anymore.
+ * <code>WeakHashtable</code> is a complete implementation of such a
+ * table. <br>
+ *
+ * It is also useful to make objects unique: You create a set of weak
+ * references to those objects, and when you create a new object you
+ * look in this set, if the object already exists and return it. If
+ * an object is not referenced anymore, the reference will
+ * automatically cleared, and you may remove it from the set. <br>
+ *
+ * @author Jochen Hoenicke
+ * @see java.util.WeakHashMap
+ */
+public class WeakReference<T>
+ extends Reference<T>
+{
+ /**
+ * Create a new weak reference, that is not registered to any queue.
+ * @param referent the object we refer to.
+ */
+ public WeakReference(T referent)
+ {
+ super(referent);
+ }
+
+ /**
+ * Create a new weak reference.
+ * @param referent the object we refer to.
+ * @param q the reference queue to register on.
+ * @exception NullPointerException if q is null.
+ */
+ public WeakReference(T referent, ReferenceQueue<? super T> q)
+ {
+ super(referent, q);
+ }
+}
Added: trunk/core/src/classpath/java/java/lang/ref/package.html
===================================================================
--- trunk/core/src/classpath/java/java/lang/ref/package.html (rev 0)
+++ trunk/core/src/classpath/java/java/lang/ref/package.html 2006-12-12 21:13:38 UTC (rev 2899)
@@ -0,0 +1,46 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
+<!-- package.html - describes classes in java.lang.ref package.
+ Copyright (C) 2002 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. -->
+
+<html>
+<head><title>GNU Classpath - java.lang.ref</title></head>
+
+<body>
+<p>Low level manipulation and monitoring of object references.</p>
+
+</body>
+</html>
This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.
|
|
From: <ls...@us...> - 2006-12-12 21:13:11
|
Revision: 2898
http://jnode.svn.sourceforge.net/jnode/?rev=2898&view=rev
Author: lsantha
Date: 2006-12-12 13:13:08 -0800 (Tue, 12 Dec 2006)
Log Message:
-----------
Migrating to Java 5 level classpath.
Added Paths:
-----------
trunk/core/src/classpath/java/java/lang/annotation/
trunk/core/src/classpath/java/java/lang/annotation/Annotation.java
trunk/core/src/classpath/java/java/lang/annotation/AnnotationFormatError.java
trunk/core/src/classpath/java/java/lang/annotation/AnnotationTypeMismatchException.java
trunk/core/src/classpath/java/java/lang/annotation/Documented.java
trunk/core/src/classpath/java/java/lang/annotation/ElementType.java
trunk/core/src/classpath/java/java/lang/annotation/IncompleteAnnotationException.java
trunk/core/src/classpath/java/java/lang/annotation/Inherited.java
trunk/core/src/classpath/java/java/lang/annotation/Retention.java
trunk/core/src/classpath/java/java/lang/annotation/RetentionPolicy.java
trunk/core/src/classpath/java/java/lang/annotation/Target.java
trunk/core/src/classpath/java/java/lang/annotation/package.html
Added: trunk/core/src/classpath/java/java/lang/annotation/Annotation.java
===================================================================
--- trunk/core/src/classpath/java/java/lang/annotation/Annotation.java (rev 0)
+++ trunk/core/src/classpath/java/java/lang/annotation/Annotation.java 2006-12-12 21:13:08 UTC (rev 2898)
@@ -0,0 +1,135 @@
+/* Annotation.java - Base interface for all annotations
+ Copyright (C) 2004 Free Software Foundation
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+package java.lang.annotation;
+
+/**
+ * This is the common interface for all annotations. Note that classes
+ * that implement this class manually are not classed as annotations, and
+ * that this interface does not define an annotation type in itself.
+ *
+ * @author Tom Tromey (tr...@re...)
+ * @author Andrew John Hughes (gnu...@me...)
+ * @since 1.5
+ */
+public interface Annotation
+{
+
+ /**
+ * Returns the type of this annotation.
+ *
+ * @return the class of which this annotation is an instance.
+ */
+ Class<? extends Annotation> annotationType();
+
+ /**
+ * <p>
+ * Returns true if the supplied object is equivalent to this annotation.
+ * For this property to hold, the following must be true of <code>o</code>:
+ * </p>
+ * <ul>
+ * <li>The object is also an instance of the same annotation type.</li>
+ * <li>The members of the supplied annotation are equal to those of this
+ * annotation, according to the following:
+ * <ul>
+ * <li>If the members are <code>float</code>s, then, for floats
+ * <code>x</code> and <code>y</code>,
+ * <code>Float.valueOf(x).equals(Float.valueOf(y)</code> must return
+ * true. This differs from the usual (<code>==</code>) comparison
+ * in that <code>NaN</code> is considered equal to itself and positive
+ * and negative zero are seen as different.</li>
+ * <li>Likewise, if the members are <code>double</code>s, then, for doubles
+ * <code>x</code> and <code>y</code>,
+ * <code>Double.valueOf(x).equals(Double.valueOf(y)</code> must return
+ * true. This differs from the usual (<code>==</code>) comparison
+ * in that <code>NaN</code> is considered equal to itself and positive
+ * and negative zero are seen as different.</li>
+ * <li>Strings, classes, enumerations and annotations are considered
+ * equal according to the <code>equals()</code> implementation for these
+ * types.</li>
+ * <li>Arrays are considered equal according to <code>Arrays.equals()</code>
+ * </li>
+ * <li>Any remaining types are considered equal using <code>==</code>.</li>
+ * </li>
+ * </ul>
+ *
+ * @param o the object to compare with this annotation.
+ * @return true if the supplied object is an annotation with equivalent
+ * members.
+ */
+ boolean equals(Object o);
+
+ /**
+ * <p>
+ * Returns the hash code of the annotation. This is computed as the
+ * sum of the hash codes of the annotation's members.
+ * </p>
+ * <p>
+ * The hash code of a member of the annotation is the result of XORing
+ * the hash code of its value with the result of multiplying the hash code
+ * of its name by 127. Formally, if the value is <code>v</code> and the
+ * name is <code>n</code>, the hash code of the member is
+ * v.hashCode() XOR (127 * String.hashCode(n)). <code>v.hashCode()</code>
+ * is defined as follows:
+ * </p>
+ * <ul>
+ * <li>The hash code of a primitive value (i.e. <code>byte</code>,
+ * <code>char</code>, <code>double</code>, <code>float</code>,
+ * <code>int</code>, <code>long</code>, <code>short</code> and
+ * <code>boolean</code>) is the hash code obtained from its corresponding
+ * wrapper class using <code>valueOf(v).hashCode()</code>, where
+ * <code>v</code> is the primitive value.</li>
+ * <li>The hash code of an enumeration, string, class or other annotation
+ * is obtained using <code>v.hashCode()</code>.</li>
+ * <li>The hash code of an array is computed using
+ * <code>Arrays.hashCode(v)</code>.</li>
+ * </ul>
+ *
+ * @return the hash code of the annotation, computed as the sum of its
+ * member hashcodes.
+ */
+ int hashCode();
+
+ /**
+ * Returns a textual representation of the annotation. This is
+ * implementation-dependent, but is expected to include the classname
+ * and the names and values of each member.
+ *
+ * @return a textual representation of the annotation.
+ */
+ String toString();
+}
Added: trunk/core/src/classpath/java/java/lang/annotation/AnnotationFormatError.java
===================================================================
--- trunk/core/src/classpath/java/java/lang/annotation/AnnotationFormatError.java (rev 0)
+++ trunk/core/src/classpath/java/java/lang/annotation/AnnotationFormatError.java 2006-12-12 21:13:08 UTC (rev 2898)
@@ -0,0 +1,105 @@
+/* AnnotationFormatError.java - Thrown when an binary annotation is malformed
+ Copyright (C) 2004, 2005 Free Software Foundation
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+package java.lang.annotation;
+
+/**
+ * Thrown when an annotation found in a class file is
+ * malformed. When the virtual machine finds a class file
+ * containing annotations, it attempts to parse them.
+ * This error is thrown if this operation fails.
+ *
+ * @author Tom Tromey (tr...@re...)
+ * @author Andrew John Hughes (gnu...@me...)
+ * @since 1.5
+ */
+public class AnnotationFormatError extends Error
+{
+ private static final long serialVersionUID = -4256701562333669892L;
+
+ /**
+ * Constructs a new <code>AnnotationFormatError</code>
+ * using the specified message to give details of the error.
+ *
+ * @param message the message to use in the error output.
+ */
+ public AnnotationFormatError(String message)
+ {
+ super(message);
+ }
+
+ /**
+ * <p>
+ * Constructs a new <code>AnnotationFormatError</code>
+ * using the specified message to give details of the error.
+ * The supplied cause <code>Throwable</code> is used to
+ * provide additional history, with regards to the root
+ * of the problem. It is perfectly valid for this to be null, if
+ * the cause is unknown.
+ * </p>
+ * <p>
+ * <strong>Note</strong>: if a cause is supplied, the error
+ * message from this cause is not automatically included in the
+ * error message given by this error.
+ * </p>
+ *
+ * @param message the message to use in the error output
+ * @param cause the cause of this error, or null if the cause
+ * is unknown.
+ */
+ public AnnotationFormatError(String message, Throwable cause)
+ {
+ super(message, cause);
+ }
+
+ /**
+ * Constructs a new <code>AnnotationFormatError</code> using
+ * the supplied cause <code>Throwable</code> to
+ * provide additional history, with regards to the root
+ * of the problem. It is perfectly valid for this to be null, if
+ * the cause is unknown. If the cause is not null, the error
+ * message from this cause will also be used as the message
+ * for this error.
+ *
+ * @param cause the cause of the error.
+ */
+ public AnnotationFormatError(Throwable cause)
+ {
+ super(cause);
+ }
+
+}
Added: trunk/core/src/classpath/java/java/lang/annotation/AnnotationTypeMismatchException.java
===================================================================
--- trunk/core/src/classpath/java/java/lang/annotation/AnnotationTypeMismatchException.java (rev 0)
+++ trunk/core/src/classpath/java/java/lang/annotation/AnnotationTypeMismatchException.java 2006-12-12 21:13:08 UTC (rev 2898)
@@ -0,0 +1,116 @@
+/* AnnotationTypeMismatchException.java - Thrown when annotation has changed
+ Copyright (C) 2004, 2005 Free Software Foundation
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+package java.lang.annotation;
+
+import java.lang.reflect.Method;
+
+/**
+ * Thrown when accessing an element within an annotation for
+ * which the type has changed, since compilation or serialization
+ * took place. The mismatch between the compiled or serialized
+ * type and the current type causes this exception to be thrown.
+ *
+ * @author Tom Tromey (tr...@re...)
+ * @author Andrew John Hughes (gnu...@me...)
+ * @since 1.5
+ */
+public class AnnotationTypeMismatchException extends RuntimeException
+{
+
+ /**
+ * For compatability with Sun's JDK
+ */
+ private static final long serialVersionUID = 8125925355765570191L;
+
+ /**
+ * Constructs an <code>AnnotationTypeMismatchException</code>
+ * which is due to a mismatched type in the annotation
+ * element, <code>m</code>. The erroneous type used for the
+ * data in <code>m</code> is represented by the string,
+ * <code>type</code>. This string is of an undefined format,
+ * and may contain the value as well as the type.
+ *
+ * @param m the element from the annotation.
+ * @param type the name of the erroneous type found in <code>m</code>.
+ */
+ public AnnotationTypeMismatchException(Method m, String type)
+ {
+ this.element = m;
+ this.foundType = type;
+ }
+
+ /**
+ * Returns the element from the annotation, for which a
+ * mismatch occurred.
+ *
+ * @return the element with the mismatched type.
+ */
+ public Method element()
+ {
+ return element;
+ }
+
+ /**
+ * Returns the erroneous type used by the element,
+ * represented as a <code>String</code>. The format
+ * of this <code>String</code> is not explicitly specified,
+ * and may contain the value as well as the type.
+ *
+ * @return the type found in the element.
+ */
+ public String foundType()
+ {
+ return foundType;
+ }
+
+ // Names are chosen from serialization spec.
+ /**
+ * The element from the annotation.
+ *
+ * @serial the element with the mismatched type.
+ */
+ private Method element;
+
+ /**
+ * The erroneous type used by the element.
+ *
+ * @serial the type found in the element.
+ */
+ private String foundType;
+
+}
Added: trunk/core/src/classpath/java/java/lang/annotation/Documented.java
===================================================================
--- trunk/core/src/classpath/java/java/lang/annotation/Documented.java (rev 0)
+++ trunk/core/src/classpath/java/java/lang/annotation/Documented.java 2006-12-12 21:13:08 UTC (rev 2898)
@@ -0,0 +1,50 @@
+/* Documented.java - Indicates documented source element
+ Copyright (C) 2004, 2005 Free Software Foundation
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+package java.lang.annotation;
+
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+/**
+ * @author Tom Tromey (tr...@re...)
+ * @author Andrew John Hughes (gnu...@me...)
+ * @since 1.5
+ */
+@Documented @Retention(RUNTIME)
+public @interface Documented
+{
+}
Added: trunk/core/src/classpath/java/java/lang/annotation/ElementType.java
===================================================================
--- trunk/core/src/classpath/java/java/lang/annotation/ElementType.java (rev 0)
+++ trunk/core/src/classpath/java/java/lang/annotation/ElementType.java 2006-12-12 21:13:08 UTC (rev 2898)
@@ -0,0 +1,59 @@
+/* ElementType.java - Enum listing Java source elements
+ Copyright (C) 2004 Free Software Foundation
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+package java.lang.annotation;
+
+/**
+ * @since 1.5
+ */
+public enum ElementType
+{
+ ANNOTATION_TYPE,
+ CONSTRUCTOR,
+ FIELD,
+ LOCAL_VARIABLE,
+ METHOD,
+ PACKAGE,
+ PARAMETER,
+ TYPE;
+
+ /**
+ * For compatability with Sun's JDK
+ */
+ private static final long serialVersionUID = 2798216111136361587L;
+
+}
Added: trunk/core/src/classpath/java/java/lang/annotation/IncompleteAnnotationException.java
===================================================================
--- trunk/core/src/classpath/java/java/lang/annotation/IncompleteAnnotationException.java (rev 0)
+++ trunk/core/src/classpath/java/java/lang/annotation/IncompleteAnnotationException.java 2006-12-12 21:13:08 UTC (rev 2898)
@@ -0,0 +1,107 @@
+/* IncompleteAnnotationException.java - Thrown when annotation has changed
+ Copyright (C) 2004 Free Software Foundation
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+package java.lang.annotation;
+
+/**
+ * Thrown when accessing an element within an annotation which
+ * was added since compilation or serialization took place, and
+ * does not have a default value.
+ *
+ * @author Tom Tromey (tr...@re...)
+ * @author Andrew John Hughes (gnu...@me...)
+ * @since 1.5
+ */
+public class IncompleteAnnotationException extends RuntimeException
+{
+
+ /**
+ * Constructs a new <code>IncompleteAnnotationException</code>
+ * which indicates that the element, <code>name</code>, was missing
+ * from the annotation, <code>type</code> at compile time and does
+ * not have a default value.
+ *
+ * @param type the type of annotation from which an element is missing.
+ * @param name the name of the missing element.
+ */
+ public IncompleteAnnotationException(Class<? extends Annotation> type,
+ String name)
+ {
+ this.annotationType = type;
+ this.elementName = name;
+ }
+
+ /**
+ * Returns the class representing the type of annotation
+ * from which an element was missing.
+ *
+ * @return the type of annotation.
+ */
+ public Class<? extends Annotation> annotationType()
+ {
+ return annotationType;
+ }
+
+ /**
+ * Returns the name of the missing annotation element.
+ *
+ * @return the element name.
+ */
+ public String elementName()
+ {
+ return elementName;
+ }
+
+ // Names are chosen from serialization spec.
+
+ /**
+ * The class representing the type of annotation from
+ * which an element was found to be missing.
+ *
+ * @serial the type of the annotation from which an
+ * element was missing.
+ */
+ private Class<? extends Annotation> annotationType;
+
+ /**
+ * The name of the missing element.
+ *
+ * @serial the name of the missing element.
+ */
+ private String elementName;
+
+}
Added: trunk/core/src/classpath/java/java/lang/annotation/Inherited.java
===================================================================
--- trunk/core/src/classpath/java/java/lang/annotation/Inherited.java (rev 0)
+++ trunk/core/src/classpath/java/java/lang/annotation/Inherited.java 2006-12-12 21:13:08 UTC (rev 2898)
@@ -0,0 +1,51 @@
+/* Inherited.java - Indicates inherited annotation
+ Copyright (C) 2004, 2005 Free Software Foundation
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+package java.lang.annotation;
+
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+import static java.lang.annotation.ElementType.ANNOTATION_TYPE;
+
+/**
+ * @author Tom Tromey (tr...@re...)
+ * @author Andrew John Hughes (gnu...@me...)
+ * @since 1.5
+ */
+@Documented @Retention(RUNTIME) @Target(ANNOTATION_TYPE)
+public @interface Inherited
+{
+}
Added: trunk/core/src/classpath/java/java/lang/annotation/Retention.java
===================================================================
--- trunk/core/src/classpath/java/java/lang/annotation/Retention.java (rev 0)
+++ trunk/core/src/classpath/java/java/lang/annotation/Retention.java 2006-12-12 21:13:08 UTC (rev 2898)
@@ -0,0 +1,59 @@
+/* Retention.java - Retention policy for an annotation
+ Copyright (C) 2004, 2005 Free Software Foundation
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+package java.lang.annotation;
+
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+import static java.lang.annotation.ElementType.ANNOTATION_TYPE;
+
+/**
+ * This annotation is used to specify the desired lifetime of another
+ * annotation.
+ *
+ * @author Tom Tromey (tr...@re...)
+ * @author Andrew John Hughes (gnu...@me...)
+ * @see RetentionPolicy
+ * @since 1.5
+ */
+@Documented @Retention(RUNTIME) @Target(ANNOTATION_TYPE)
+public @interface Retention
+{
+ /**
+ * The value holds the lifetime of the annotation.
+ */
+ RetentionPolicy value();
+}
Added: trunk/core/src/classpath/java/java/lang/annotation/RetentionPolicy.java
===================================================================
--- trunk/core/src/classpath/java/java/lang/annotation/RetentionPolicy.java (rev 0)
+++ trunk/core/src/classpath/java/java/lang/annotation/RetentionPolicy.java 2006-12-12 21:13:08 UTC (rev 2898)
@@ -0,0 +1,66 @@
+/* RetentionPolicy.java - Enum listing lifetimes for an annotation
+ Copyright (C) 2004 Free Software Foundation
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+package java.lang.annotation;
+
+/**
+ * This enum is used to control the lifetime of an annotation.
+ *
+ * @see Retention
+ *
+ * @since 1.5
+ */
+public enum RetentionPolicy
+{
+ /** Indicates that the annotation should be stored in class files. */
+ CLASS,
+
+ /** Indicates that the annotation should be available at runtime. */
+ RUNTIME,
+
+ /**
+ * Indicates that the annotation should only be available when
+ * parsing the source code.
+ */
+ SOURCE;
+
+ /**
+ * For compatability with Sun's JDK
+ */
+ private static final long serialVersionUID = -1700821648800605045L;
+
+}
Added: trunk/core/src/classpath/java/java/lang/annotation/Target.java
===================================================================
--- trunk/core/src/classpath/java/java/lang/annotation/Target.java (rev 0)
+++ trunk/core/src/classpath/java/java/lang/annotation/Target.java 2006-12-12 21:13:08 UTC (rev 2898)
@@ -0,0 +1,52 @@
+/* Target.java - Indicate where an annotation may be applied
+ Copyright (C) 2004, 2005 Free Software Foundation
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+package java.lang.annotation;
+
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+import static java.lang.annotation.ElementType.ANNOTATION_TYPE;
+
+/**
+ * @author Tom Tromey (tr...@re...)
+ * @author Andrew John Hughes (gnu...@me...)
+ * @since 1.5
+ */
+@Documented @Retention(RUNTIME) @Target(ANNOTATION_TYPE)
+public @interface Target
+{
+ ElementType[] value();
+}
Added: trunk/core/src/classpath/java/java/lang/annotation/package.html
===================================================================
--- trunk/core/src/classpath/java/java/lang/annotation/package.html (rev 0)
+++ trunk/core/src/classpath/java/java/lang/annotation/package.html 2006-12-12 21:13:08 UTC (rev 2898)
@@ -0,0 +1,46 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
+<!-- package.html - describes classes in java.lang.annotation package.
+ Copyright (C) 2005 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. -->
+
+<html>
+<head><title>GNU Classpath - java.lang.annotation</title></head>
+
+<body>
+<p>Classes to handle annotations.</p>
+
+</body>
+</html>
This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.
|
|
From: <ls...@us...> - 2006-12-12 21:12:31
|
Revision: 2897
http://jnode.svn.sourceforge.net/jnode/?rev=2897&view=rev
Author: lsantha
Date: 2006-12-12 13:12:29 -0800 (Tue, 12 Dec 2006)
Log Message:
-----------
Migrating to Java 5 level classpath.
Added Paths:
-----------
trunk/core/src/classpath/java/java/util/AbstractCollection.java
trunk/core/src/classpath/java/java/util/AbstractList.java
trunk/core/src/classpath/java/java/util/AbstractMap.java
trunk/core/src/classpath/java/java/util/AbstractQueue.java
trunk/core/src/classpath/java/java/util/AbstractSequentialList.java
trunk/core/src/classpath/java/java/util/AbstractSet.java
trunk/core/src/classpath/java/java/util/ArrayList.java
trunk/core/src/classpath/java/java/util/Arrays.java
trunk/core/src/classpath/java/java/util/BitSet.java
trunk/core/src/classpath/java/java/util/Collection.java
trunk/core/src/classpath/java/java/util/Collections.java
trunk/core/src/classpath/java/java/util/Comparator.java
trunk/core/src/classpath/java/java/util/Dictionary.java
trunk/core/src/classpath/java/java/util/DuplicateFormatFlagsException.java
trunk/core/src/classpath/java/java/util/EnumMap.java
trunk/core/src/classpath/java/java/util/EnumSet.java
trunk/core/src/classpath/java/java/util/Enumeration.java
trunk/core/src/classpath/java/java/util/FormatFlagsConversionMismatchException.java
trunk/core/src/classpath/java/java/util/Formattable.java
trunk/core/src/classpath/java/java/util/FormattableFlags.java
trunk/core/src/classpath/java/java/util/Formatter.java
trunk/core/src/classpath/java/java/util/FormatterClosedException.java
trunk/core/src/classpath/java/java/util/HashMap.java
trunk/core/src/classpath/java/java/util/HashSet.java
trunk/core/src/classpath/java/java/util/Hashtable.java
trunk/core/src/classpath/java/java/util/IdentityHashMap.java
trunk/core/src/classpath/java/java/util/IllegalFormatCodePointException.java
trunk/core/src/classpath/java/java/util/IllegalFormatConversionException.java
trunk/core/src/classpath/java/java/util/IllegalFormatException.java
trunk/core/src/classpath/java/java/util/IllegalFormatFlagsException.java
trunk/core/src/classpath/java/java/util/IllegalFormatPrecisionException.java
trunk/core/src/classpath/java/java/util/IllegalFormatWidthException.java
trunk/core/src/classpath/java/java/util/Iterator.java
trunk/core/src/classpath/java/java/util/LinkedHashMap.java
trunk/core/src/classpath/java/java/util/LinkedHashSet.java
trunk/core/src/classpath/java/java/util/LinkedList.java
trunk/core/src/classpath/java/java/util/List.java
trunk/core/src/classpath/java/java/util/ListIterator.java
trunk/core/src/classpath/java/java/util/Map.java
trunk/core/src/classpath/java/java/util/MissingFormatArgumentException.java
trunk/core/src/classpath/java/java/util/MissingFormatWidthException.java
trunk/core/src/classpath/java/java/util/PriorityQueue.java
trunk/core/src/classpath/java/java/util/Properties.java
trunk/core/src/classpath/java/java/util/Queue.java
trunk/core/src/classpath/java/java/util/Set.java
trunk/core/src/classpath/java/java/util/SortedMap.java
trunk/core/src/classpath/java/java/util/SortedSet.java
trunk/core/src/classpath/java/java/util/Stack.java
trunk/core/src/classpath/java/java/util/TreeMap.java
trunk/core/src/classpath/java/java/util/TreeSet.java
trunk/core/src/classpath/java/java/util/UnknownFormatConversionException.java
trunk/core/src/classpath/java/java/util/UnknownFormatFlagsException.java
trunk/core/src/classpath/java/java/util/Vector.java
trunk/core/src/classpath/java/java/util/WeakHashMap.java
Added: trunk/core/src/classpath/java/java/util/AbstractCollection.java
===================================================================
--- trunk/core/src/classpath/java/java/util/AbstractCollection.java (rev 0)
+++ trunk/core/src/classpath/java/java/util/AbstractCollection.java 2006-12-12 21:12:29 UTC (rev 2897)
@@ -0,0 +1,490 @@
+/* AbstractCollection.java -- Abstract implementation of most of Collection
+ Copyright (C) 1998, 2000, 2001, 2004, 2005 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.util;
+
+import java.lang.reflect.Array;
+
+/**
+ * A basic implementation of most of the methods in the Collection interface to
+ * make it easier to create a collection. To create an unmodifiable Collection,
+ * just subclass AbstractCollection and provide implementations of the
+ * iterator() and size() methods. The Iterator returned by iterator() need only
+ * provide implementations of hasNext() and next() (that is, it may throw an
+ * UnsupportedOperationException if remove() is called). To create a modifiable
+ * Collection, you must in addition provide an implementation of the
+ * add(Object) method and the Iterator returned by iterator() must provide an
+ * implementation of remove(). Other methods should be overridden if the
+ * backing data structure allows for a more efficient implementation. The
+ * precise implementation used by AbstractCollection is documented, so that
+ * subclasses can tell which methods could be implemented more efficiently.
+ * <p>
+ *
+ * The programmer should provide a no-argument constructor, and one that
+ * accepts another Collection, as recommended by the Collection interface.
+ * Unfortunately, there is no way to enforce this in Java.
+ *
+ * @author Original author unknown
+ * @author Bryce McKinlay
+ * @author Eric Blake (eb...@em...)
+ * @author Tom Tromey (tr...@re...)
+ * @author Andrew John Hughes (gnu...@me...)
+ * @see Collection
+ * @see AbstractSet
+ * @see AbstractList
+ * @since 1.2
+ * @status updated to 1.4
+ */
+public abstract class AbstractCollection<E>
+ implements Collection<E>, Iterable<E>
+{
+ /**
+ * The main constructor, for use by subclasses.
+ */
+ protected AbstractCollection()
+ {
+ }
+
+ /**
+ * Return an Iterator over this collection. The iterator must provide the
+ * hasNext and next methods and should in addition provide remove if the
+ * collection is modifiable.
+ *
+ * @return an iterator
+ */
+ public abstract Iterator<E> iterator();
+
+ /**
+ * Return the number of elements in this collection. If there are more than
+ * Integer.MAX_VALUE elements, return Integer.MAX_VALUE.
+ *
+ * @return the size
+ */
+ public abstract int size();
+
+ /**
+ * Add an object to the collection (optional operation). This implementation
+ * always throws an UnsupportedOperationException - it should be
+ * overridden if the collection is to be modifiable. If the collection
+ * does not accept duplicates, simply return false. Collections may specify
+ * limitations on what may be added.
+ *
+ * @param o the object to add
+ * @return true if the add operation caused the Collection to change
+ * @throws UnsupportedOperationException if the add operation is not
+ * supported on this collection
+ * @throws NullPointerException if the collection does not support null
+ * @throws ClassCastException if the object is of the wrong type
+ * @throws IllegalArgumentException if some aspect of the object prevents
+ * it from being added
+ */
+ public boolean add(E o)
+ {
+ throw new UnsupportedOperationException();
+ }
+
+ /**
+ * Add all the elements of a given collection to this collection (optional
+ * operation). This implementation obtains an Iterator over the given
+ * collection and iterates over it, adding each element with the
+ * add(Object) method (thus this method will fail with an
+ * UnsupportedOperationException if the add method does). The behavior is
+ * unspecified if the specified collection is modified during the iteration,
+ * including the special case of trying addAll(this) on a non-empty
+ * collection.
+ *
+ * @param c the collection to add the elements of to this collection
+ * @return true if the add operation caused the Collection to change
+ * @throws UnsupportedOperationException if the add operation is not
+ * supported on this collection
+ * @throws NullPointerException if the specified collection is null
+ * @throws ClassCastException if the type of any element in c is
+ * not a valid type for addition.
+ * @throws IllegalArgumentException if some aspect of any element
+ * in c prevents it being added.
+ * @throws NullPointerException if any element in c is null and this
+ * collection doesn't allow null values.
+ * @see #add(Object)
+ */
+ public boolean addAll(Collection<? extends E> c)
+ {
+ Iterator<? extends E> itr = c.iterator();
+ boolean modified = false;
+ int pos = c.size();
+ while (--pos >= 0)
+ modified |= add(itr.next());
+ return modified;
+ }
+
+ /**
+ * Remove all elements from the collection (optional operation). This
+ * implementation obtains an iterator over the collection and calls next
+ * and remove on it repeatedly (thus this method will fail with an
+ * UnsupportedOperationException if the Iterator's remove method does)
+ * until there are no more elements to remove.
+ * Many implementations will have a faster way of doing this.
+ *
+ * @throws UnsupportedOperationException if the Iterator returned by
+ * iterator does not provide an implementation of remove
+ * @see Iterator#remove()
+ */
+ public void clear()
+ {
+ Iterator<E> itr = iterator();
+ int pos = size();
+ while (--pos >= 0)
+ {
+ itr.next();
+ itr.remove();
+ }
+ }
+
+ /**
+ * Test whether this collection contains a given object. That is, if the
+ * collection has an element e such that (o == null ? e == null :
+ * o.equals(e)). This implementation obtains an iterator over the collection
+ * and iterates over it, testing each element for equality with the given
+ * object. If it is equal, true is returned. Otherwise false is returned when
+ * the end of the collection is reached.
+ *
+ * @param o the object to remove from this collection
+ * @return true if this collection contains an object equal to o
+ */
+ public boolean contains(Object o)
+ {
+ Iterator<E> itr = iterator();
+ int pos = size();
+ while (--pos >= 0)
+ if (equals(o, itr.next()))
+ return true;
+ return false;
+ }
+
+ /**
+ * Tests whether this collection contains all the elements in a given
+ * collection. This implementation iterates over the given collection,
+ * testing whether each element is contained in this collection. If any one
+ * is not, false is returned. Otherwise true is returned.
+ *
+ * @param c the collection to test against
+ * @return true if this collection contains all the elements in the given
+ * collection
+ * @throws NullPointerException if the given collection is null
+ * @see #contains(Object)
+ */
+ public boolean containsAll(Collection<?> c)
+ {
+ Iterator<?> itr = c.iterator();
+ int pos = c.size();
+ while (--pos >= 0)
+ if (!contains(itr.next()))
+ return false;
+ return true;
+ }
+
+ /**
+ * Test whether this collection is empty. This implementation returns
+ * size() == 0.
+ *
+ * @return true if this collection is empty.
+ * @see #size()
+ */
+ public boolean isEmpty()
+ {
+ return size() == 0;
+ }
+
+ /**
+ * Remove a single instance of an object from this collection (optional
+ * operation). That is, remove one element e such that
+ * <code>(o == null ? e == null : o.equals(e))</code>, if such an element
+ * exists. This implementation obtains an iterator over the collection
+ * and iterates over it, testing each element for equality with the given
+ * object. If it is equal, it is removed by the iterator's remove method
+ * (thus this method will fail with an UnsupportedOperationException if
+ * the Iterator's remove method does). After the first element has been
+ * removed, true is returned; if the end of the collection is reached, false
+ * is returned.
+ *
+ * @param o the object to remove from this collection
+ * @return true if the remove operation caused the Collection to change, or
+ * equivalently if the collection did contain o.
+ * @throws UnsupportedOperationException if this collection's Iterator
+ * does not support the remove method
+ * @see Iterator#remove()
+ */
+ public boolean remove(Object o)
+ {
+ Iterator<E> itr = iterator();
+ int pos = size();
+ while (--pos >= 0)
+ if (equals(o, itr.next()))
+ {
+ itr.remove();
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Remove from this collection all its elements that are contained in a given
+ * collection (optional operation). This implementation iterates over this
+ * collection, and for each element tests if it is contained in the given
+ * collection. If so, it is removed by the Iterator's remove method (thus
+ * this method will fail with an UnsupportedOperationException if the
+ * Iterator's remove method does).
+ *
+ * @param c the collection to remove the elements of
+ * @return true if the remove operation caused the Collection to change
+ * @throws UnsupportedOperationException if this collection's Iterator
+ * does not support the remove method
+ * @throws NullPointerException if the collection, c, is null.
+ * @see Iterator#remove()
+ */
+ public boolean removeAll(Collection<?> c)
+ {
+ return removeAllInternal(c);
+ }
+
+ /**
+ * Remove from this collection all its elements that are contained in a given
+ * collection (optional operation). This implementation iterates over this
+ * collection, and for each element tests if it is contained in the given
+ * collection. If so, it is removed by the Iterator's remove method (thus
+ * this method will fail with an UnsupportedOperationException if the
+ * Iterator's remove method does). This method is necessary for ArrayList,
+ * which cannot publicly override removeAll but can optimize this call.
+ *
+ * @param c the collection to remove the elements of
+ * @return true if the remove operation caused the Collection to change
+ * @throws UnsupportedOperationException if this collection's Iterator
+ * does not support the remove method
+ * @throws NullPointerException if the collection, c, is null.
+ * @see Iterator#remove()
+ */
+ // Package visible for use throughout java.util.
+ boolean removeAllInternal(Collection<?> c)
+ {
+ Iterator<E> itr = iterator();
+ boolean modified = false;
+ int pos = size();
+ while (--pos >= 0)
+ if (c.contains(itr.next()))
+ {
+ itr.remove();
+ modified = true;
+ }
+ return modified;
+ }
+
+ /**
+ * Remove from this collection all its elements that are not contained in a
+ * given collection (optional operation). This implementation iterates over
+ * this collection, and for each element tests if it is contained in the
+ * given collection. If not, it is removed by the Iterator's remove method
+ * (thus this method will fail with an UnsupportedOperationException if
+ * the Iterator's remove method does).
+ *
+ * @param c the collection to retain the elements of
+ * @return true if the remove operation caused the Collection to change
+ * @throws UnsupportedOperationException if this collection's Iterator
+ * does not support the remove method
+ * @throws NullPointerException if the collection, c, is null.
+ * @see Iterator#remove()
+ */
+ public boolean retainAll(Collection<?> c)
+ {
+ return retainAllInternal(c);
+ }
+
+ /**
+ * Remove from this collection all its elements that are not contained in a
+ * given collection (optional operation). This implementation iterates over
+ * this collection, and for each element tests if it is contained in the
+ * given collection. If not, it is removed by the Iterator's remove method
+ * (thus this method will fail with an UnsupportedOperationException if
+ * the Iterator's remove method does). This method is necessary for
+ * ArrayList, which cannot publicly override retainAll but can optimize
+ * this call.
+ *
+ * @param c the collection to retain the elements of
+ * @return true if the remove operation caused the Collection to change
+ * @throws UnsupportedOperationException if this collection's Iterator
+ * does not support the remove method
+ * @throws NullPointerException if the collection, c, is null.
+ * @see Iterator#remove()
+ */
+ // Package visible for use throughout java.util.
+ boolean retainAllInternal(Collection<?> c)
+ {
+ Iterator<E> itr = iterator();
+ boolean modified = false;
+ int pos = size();
+ while (--pos >= 0)
+ if (!c.contains(itr.next()))
+ {
+ itr.remove();
+ modified = true;
+ }
+ return modified;
+ }
+
+ /**
+ * Return an array containing the elements of this collection. This
+ * implementation creates an Object array of size size() and then iterates
+ * over the collection, setting each element of the array from the value
+ * returned by the iterator. The returned array is safe, and is not backed
+ * by the collection.
+ *
+ * @return an array containing the elements of this collection
+ */
+ public Object[] toArray()
+ {
+ Iterator<E> itr = iterator();
+ int size = size();
+ Object[] a = new Object[size];
+ for (int pos = 0; pos < size; pos++)
+ a[pos] = itr.next();
+ return a;
+ }
+
+ /**
+ * Copy the collection into a given array if it will fit, or into a
+ * dynamically created array of the same run-time type as the given array if
+ * not. If there is space remaining in the array, the first element after the
+ * end of the collection is set to null (this is only useful if the
+ * collection is known to contain no null elements, however). This
+ * implementation first tests whether the given array is large enough to hold
+ * all the elements of the collection. If not, the reflection API is used to
+ * allocate a new array of the same run-time type. Next an iterator is
+ * obtained over the collection and the elements are placed in the array as
+ * they are returned by the iterator. Finally the first spare element, if
+ * any, of the array is set to null, and the created array is returned.
+ * The returned array is safe; it is not backed by the collection. Note that
+ * null may not mark the last element, if the collection allows null
+ * elements.
+ *
+ * @param a the array to copy into, or of the correct run-time type
+ * @return the array that was produced
+ * @throws NullPointerException if the given array is null
+ * @throws ArrayStoreException if the type of the array precludes holding
+ * one of the elements of the Collection
+ */
+ public <T> T[] toArray(T[] a)
+ {
+ int size = size();
+ if (a.length < size)
+ a = (T[]) Array.newInstance(a.getClass().getComponentType(),
+ size);
+ else if (a.length > size)
+ a[size] = null;
+
+ Iterator<E> itr = iterator();
+ for (int pos = 0; pos < size; pos++)
+ {
+ try
+ {
+ a[pos] = (T) (itr.next());
+ }
+ catch (ClassCastException exception)
+ {
+ throw new ArrayStoreException("The element is of the wrong type "+
+ "for storing in this array.");
+ }
+ }
+ return a;
+ }
+
+ /**
+ * Creates a String representation of the Collection. The string returned is
+ * of the form "[a, b, ...]" where a and b etc are the results of calling
+ * toString on the elements of the collection. This implementation obtains an
+ * Iterator over the Collection and adds each element to a StringBuffer as it
+ * is returned by the iterator. "<this>" is inserted when the collection
+ * contains itself (only works for direct containment, not for collections
+ * inside collections).
+ *
+ * @return a String representation of the Collection
+ */
+ public String toString()
+ {
+ Iterator itr = iterator();
+ StringBuffer r = new StringBuffer("[");
+ boolean hasNext = itr.hasNext();
+ while (hasNext)
+ {
+ Object o = itr.next();
+ if (o == this)
+ r.append("<this>");
+ else
+ r.append(o);
+ hasNext = itr.hasNext();
+ if (hasNext)
+ r.append(", ");
+ }
+ r.append("]");
+ return r.toString();
+ }
+
+ /**
+ * Compare two objects according to Collection semantics.
+ *
+ * @param o1 the first object
+ * @param o2 the second object
+ * @return o1 == null ? o2 == null : o1.equals(o2)
+ */
+ // Package visible for use throughout java.util.
+ // It may be inlined since it is final.
+ static final boolean equals(Object o1, Object o2)
+ {
+ return o1 == null ? o2 == null : o1.equals(o2);
+ }
+
+ /**
+ * Hash an object according to Collection semantics.
+ *
+ * @param o the object to hash
+ * @return o1 == null ? 0 : o1.hashCode()
+ */
+ // Package visible for use throughout java.util.
+ // It may be inlined since it is final.
+ static final int hashCode(Object o)
+ {
+ return o == null ? 0 : o.hashCode();
+ }
+}
Added: trunk/core/src/classpath/java/java/util/AbstractList.java
===================================================================
--- trunk/core/src/classpath/java/java/util/AbstractList.java (rev 0)
+++ trunk/core/src/classpath/java/java/util/AbstractList.java 2006-12-12 21:12:29 UTC (rev 2897)
@@ -0,0 +1,1204 @@
+/* AbstractList.java -- Abstract implementation of most of List
+ Copyright (C) 1998, 1999, 2000, 2001, 2002, 2004, 2005
+ Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.util;
+
+/**
+ * A basic implementation of most of the methods in the List interface to make
+ * it easier to create a List based on a random-access data structure. If
+ * the list is sequential (such as a linked list), use AbstractSequentialList.
+ * To create an unmodifiable list, it is only necessary to override the
+ * size() and get(int) methods (this contrasts with all other abstract
+ * collection classes which require an iterator to be provided). To make the
+ * list modifiable, the set(int, Object) method should also be overridden, and
+ * to make the list resizable, the add(int, Object) and remove(int) methods
+ * should be overridden too. Other methods should be overridden if the
+ * backing data structure allows for a more efficient implementation.
+ * The precise implementation used by AbstractList is documented, so that
+ * subclasses can tell which methods could be implemented more efficiently.
+ * <p>
+ *
+ * As recommended by Collection and List, the subclass should provide at
+ * least a no-argument and a Collection constructor. This class is not
+ * synchronized.
+ *
+ * @author Original author unknown
+ * @author Bryce McKinlay
+ * @author Eric Blake (eb...@em...)
+ * @see Collection
+ * @see List
+ * @see AbstractSequentialList
+ * @see AbstractCollection
+ * @see ListIterator
+ * @since 1.2
+ * @status updated to 1.4
+ */
+public abstract class AbstractList<E>
+ extends AbstractCollection<E>
+ implements List<E>
+{
+ /**
+ * A count of the number of structural modifications that have been made to
+ * the list (that is, insertions and removals). Structural modifications
+ * are ones which change the list size or affect how iterations would
+ * behave. This field is available for use by Iterator and ListIterator,
+ * in order to throw a {@link ConcurrentModificationException} in response
+ * to the next operation on the iterator. This <i>fail-fast</i> behavior
+ * saves the user from many subtle bugs otherwise possible from concurrent
+ * modification during iteration.
+ * <p>
+ *
+ * To make lists fail-fast, increment this field by just 1 in the
+ * <code>add(int, Object)</code> and <code>remove(int)</code> methods.
+ * Otherwise, this field may be ignored.
+ */
+ protected transient int modCount;
+
+ /**
+ * The main constructor, for use by subclasses.
+ */
+ protected AbstractList()
+ {
+ }
+
+ /**
+ * Returns the elements at the specified position in the list.
+ *
+ * @param index the element to return
+ * @return the element at that position
+ * @throws IndexOutOfBoundsException if index < 0 || index >= size()
+ */
+ public abstract E get(int index);
+
+ /**
+ * Insert an element into the list at a given position (optional operation).
+ * This shifts all existing elements from that position to the end one
+ * index to the right. This version of add has no return, since it is
+ * assumed to always succeed if there is no exception. This implementation
+ * always throws UnsupportedOperationException, and must be overridden to
+ * make a modifiable List. If you want fail-fast iterators, be sure to
+ * increment modCount when overriding this.
+ *
+ * @param index the location to insert the item
+ * @param o the object to insert
+ * @throws UnsupportedOperationException if this list does not support the
+ * add operation
+ * @throws IndexOutOfBoundsException if index < 0 || index > size()
+ * @throws ClassCastException if o cannot be added to this list due to its
+ * type
+ * @throws IllegalArgumentException if o cannot be added to this list for
+ * some other reason
+ * @see #modCount
+ */
+ public void add(int index, E o)
+ {
+ throw new UnsupportedOperationException();
+ }
+
+ /**
+ * Add an element to the end of the list (optional operation). If the list
+ * imposes restraints on what can be inserted, such as no null elements,
+ * this should be documented. This implementation calls
+ * <code>add(size(), o);</code>, and will fail if that version does.
+ *
+ * @param o the object to add
+ * @return true, as defined by Collection for a modified list
+ * @throws UnsupportedOperationException if this list does not support the
+ * add operation
+ * @throws ClassCastException if o cannot be added to this list due to its
+ * type
+ * @throws IllegalArgumentException if o cannot be added to this list for
+ * some other reason
+ * @see #add(int, Object)
+ */
+ public boolean add(E o)
+ {
+ add(size(), o);
+ return true;
+ }
+
+ /**
+ * Insert the contents of a collection into the list at a given position
+ * (optional operation). Shift all elements at that position to the right
+ * by the number of elements inserted. This operation is undefined if
+ * this list is modified during the operation (for example, if you try
+ * to insert a list into itself). This implementation uses the iterator of
+ * the collection, repeatedly calling add(int, Object); this will fail
+ * if add does. This can often be made more efficient.
+ *
+ * @param index the location to insert the collection
+ * @param c the collection to insert
+ * @return true if the list was modified by this action, that is, if c is
+ * non-empty
+ * @throws UnsupportedOperationException if this list does not support the
+ * addAll operation
+ * @throws IndexOutOfBoundsException if index < 0 || index > size()
+ * @throws ClassCastException if some element of c cannot be added to this
+ * list due to its type
+ * @throws IllegalArgumentException if some element of c cannot be added
+ * to this list for some other reason
+ * @throws NullPointerException if the specified collection is null
+ * @see #add(int, Object)
+ */
+ public boolean addAll(int index, Collection<? extends E> c)
+ {
+ Iterator<? extends E> itr = c.iterator();
+ int size = c.size();
+ for (int pos = size; pos > 0; pos--)
+ add(index++, itr.next());
+ return size > 0;
+ }
+
+ /**
+ * Clear the list, such that a subsequent call to isEmpty() would return
+ * true (optional operation). This implementation calls
+ * <code>removeRange(0, size())</code>, so it will fail unless remove
+ * or removeRange is overridden.
+ *
+ * @throws UnsupportedOperationException if this list does not support the
+ * clear operation
+ * @see #remove(int)
+ * @see #removeRange(int, int)
+ */
+ public void clear()
+ {
+ removeRange(0, size());
+ }
+
+ /**
+ * Test whether this list is equal to another object. A List is defined to be
+ * equal to an object if and only if that object is also a List, and the two
+ * lists have the same sequence. Two lists l1 and l2 are equal if and only
+ * if <code>l1.size() == l2.size()</code>, and for every integer n between 0
+ * and <code>l1.size() - 1</code> inclusive, <code>l1.get(n) == null ?
+ * l2.get(n) == null : l1.get(n).equals(l2.get(n))</code>.
+ * <p>
+ *
+ * This implementation returns true if the object is this, or false if the
+ * object is not a List. Otherwise, it iterates over both lists (with
+ * iterator()), returning false if two elements compare false or one list
+ * is shorter, and true if the iteration completes successfully.
+ *
+ * @param o the object to test for equality with this list
+ * @return true if o is equal to this list
+ * @see Object#equals(Object)
+ * @see #hashCode()
+ */
+ public boolean equals(Object o)
+ {
+ if (o == this)
+ return true;
+ if (! (o instanceof List))
+ return false;
+ int size = size();
+ if (size != ((List) o).size())
+ return false;
+
+ Iterator<E> itr1 = iterator();
+ Iterator itr2 = ((List) o).iterator();
+
+ while (--size >= 0)
+ if (! equals(itr1.next(), itr2.next()))
+ return false;
+ return true;
+ }
+
+ /**
+ * Obtains a hash code for this list. In order to obey the general
+ * contract of the hashCode method of class Object, this value is
+ * calculated as follows:
+ *
+<pre>hashCode = 1;
+Iterator i = list.iterator();
+while (i.hasNext())
+{
+ Object obj = i.next();
+ hashCode = 31 * hashCode + (obj == null ? 0 : obj.hashCode());
+}</pre>
+ *
+ * This ensures that the general contract of Object.hashCode() is adhered to.
+ *
+ * @return the hash code of this list
+ *
+ * @see Object#hashCode()
+ * @see #equals(Object)
+ */
+ public int hashCode()
+ {
+ int hashCode = 1;
+ Iterator<E> itr = iterator();
+ int pos = size();
+ while (--pos >= 0)
+ hashCode = 31 * hashCode + hashCode(itr.next());
+ return hashCode;
+ }
+
+ /**
+ * Obtain the first index at which a given object is to be found in this
+ * list. This implementation follows a listIterator() until a match is found,
+ * or returns -1 if the list end is reached.
+ *
+ * @param o the object to search for
+ * @return the least integer n such that <code>o == null ? get(n) == null :
+ * o.equals(get(n))</code>, or -1 if there is no such index
+ */
+ public int indexOf(Object o)
+ {
+ ListIterator<E> itr = listIterator();
+ int size = size();
+ for (int pos = 0; pos < size; pos++)
+ if (equals(o, itr.next()))
+ return pos;
+ return -1;
+ }
+
+ /**
+ * Obtain an Iterator over this list, whose sequence is the list order.
+ * This implementation uses size(), get(int), and remove(int) of the
+ * backing list, and does not support remove unless the list does. This
+ * implementation is fail-fast if you correctly maintain modCount.
+ * Also, this implementation is specified by Sun to be distinct from
+ * listIterator, although you could easily implement it as
+ * <code>return listIterator(0)</code>.
+ *
+ * @return an Iterator over the elements of this list, in order
+ * @see #modCount
+ */
+ public Iterator<E> iterator()
+ {
+ // Bah, Sun's implementation forbids using listIterator(0).
+ return new Iterator<E>()
+ {
+ private int pos = 0;
+ private int size = size();
+ private int last = -1;
+ private int knownMod = modCount;
+
+ // This will get inlined, since it is private.
+ /**
+ * Checks for modifications made to the list from
+ * elsewhere while iteration is in progress.
+ *
+ * @throws ConcurrentModificationException if the
+ * list has been modified elsewhere.
+ */
+ private void checkMod()
+ {
+ if (knownMod != modCount)
+ throw new ConcurrentModificationException();
+ }
+
+ /**
+ * Tests to see if there are any more objects to
+ * return.
+ *
+ * @return True if the end of the list has not yet been
+ * reached.
+ */
+ public boolean hasNext()
+ {
+ return pos < size;
+ }
+
+ /**
+ * Retrieves the next object from the list.
+ *
+ * @return The next object.
+ * @throws NoSuchElementException if there are
+ * no more objects to retrieve.
+ * @throws ConcurrentModificationException if the
+ * list has been modified elsewhere.
+ */
+ public E next()
+ {
+ checkMod();
+ if (pos == size)
+ throw new NoSuchElementException();
+ last = pos;
+ return get(pos++);
+ }
+
+ /**
+ * Removes the last object retrieved by <code>next()</code>
+ * from the list, if the list supports object removal.
+ *
+ * @throws ConcurrentModificationException if the list
+ * has been modified elsewhere.
+ * @throws IllegalStateException if the iterator is positioned
+ * before the start of the list or the last object has already
+ * been removed.
+ * @throws UnsupportedOperationException if the list does
+ * not support removing elements.
+ */
+ public void remove()
+ {
+ checkMod();
+ if (last < 0)
+ throw new IllegalStateException();
+ AbstractList.this.remove(last);
+ pos--;
+ size--;
+ last = -1;
+ knownMod = modCount;
+ }
+ };
+ }
+
+ /**
+ * Obtain the last index at which a given object is to be found in this
+ * list. This implementation grabs listIterator(size()), then searches
+ * backwards for a match or returns -1.
+ *
+ * @return the greatest integer n such that <code>o == null ? get(n) == null
+ * : o.equals(get(n))</code>, or -1 if there is no such index
+ */
+ public int lastIndexOf(Object o)
+ {
+ int pos = size();
+ ListIterator<E> itr = listIterator(pos);
+ while (--pos >= 0)
+ if (equals(o, itr.previous()))
+ return pos;
+ return -1;
+ }
+
+ /**
+ * Obtain a ListIterator over this list, starting at the beginning. This
+ * implementation returns listIterator(0).
+ *
+ * @return a ListIterator over the elements of this list, in order, starting
+ * at the beginning
+ */
+ public ListIterator<E> listIterator()
+ {
+ return listIterator(0);
+ }
+
+ /**
+ * Obtain a ListIterator over this list, starting at a given position.
+ * A first call to next() would return the same as get(index), and a
+ * first call to previous() would return the same as get(index - 1).
+ * <p>
+ *
+ * This implementation uses size(), get(int), set(int, Object),
+ * add(int, Object), and remove(int) of the backing list, and does not
+ * support remove, set, or add unless the list does. This implementation
+ * is fail-fast if you correctly maintain modCount.
+ *
+ * @param index the position, between 0 and size() inclusive, to begin the
+ * iteration from
+ * @return a ListIterator over the elements of this list, in order, starting
+ * at index
+ * @throws IndexOutOfBoundsException if index < 0 || index > size()
+ * @see #modCount
+ */
+ public ListIterator<E> listIterator(final int index)
+ {
+ if (index < 0 || index > size())
+ throw new IndexOutOfBoundsException("Index: " + index + ", Size:"
+ + size());
+
+ return new ListIterator<E>()
+ {
+ private int knownMod = modCount;
+ private int position = index;
+ private int lastReturned = -1;
+ private int size = size();
+
+ // This will get inlined, since it is private.
+ /**
+ * Checks for modifications made to the list from
+ * elsewhere while iteration is in progress.
+ *
+ * @throws ConcurrentModificationException if the
+ * list has been modified elsewhere.
+ */
+ private void checkMod()
+ {
+ if (knownMod != modCount)
+ throw new ConcurrentModificationException();
+ }
+
+ /**
+ * Tests to see if there are any more objects to
+ * return.
+ *
+ * @return True if the end of the list has not yet been
+ * reached.
+ */
+ public boolean hasNext()
+ {
+ return position < size;
+ }
+
+ /**
+ * Tests to see if there are objects prior to the
+ * current position in the list.
+ *
+ * @return True if objects exist prior to the current
+ * position of the iterator.
+ */
+ public boolean hasPrevious()
+ {
+ return position > 0;
+ }
+
+ /**
+ * Retrieves the next object from the list.
+ *
+ * @return The next object.
+ * @throws NoSuchElementException if there are no
+ * more objects to retrieve.
+ * @throws ConcurrentModificationException if the
+ * list has been modified elsewhere.
+ */
+ public E next()
+ {
+ checkMod();
+ if (position == size)
+ throw new NoSuchElementException();
+ lastReturned = position;
+ return get(position++);
+ }
+
+ /**
+ * Retrieves the previous object from the list.
+ *
+ * @return The next object.
+ * @throws NoSuchElementException if there are no
+ * previous objects to retrieve.
+ * @throws ConcurrentModificationException if the
+ * list has been modified elsewhere.
+ */
+ public E previous()
+ {
+ checkMod();
+ if (position == 0)
+ throw new NoSuchElementException();
+ lastReturned = --position;
+ return get(lastReturned);
+ }
+
+ /**
+ * Returns the index of the next element in the
+ * list, which will be retrieved by <code>next()</code>
+ *
+ * @return The index of the next element.
+ */
+ public int nextIndex()
+ {
+ return position;
+ }
+
+ /**
+ * Returns the index of the previous element in the
+ * list, which will be retrieved by <code>previous()</code>
+ *
+ * @return The index of the previous element.
+ */
+ public int previousIndex()
+ {
+ return position - 1;
+ }
+
+ /**
+ * Removes the last object retrieved by <code>next()</code>
+ * or <code>previous()</code> from the list, if the list
+ * supports object removal.
+ *
+ * @throws IllegalStateException if the iterator is positioned
+ * before the start of the list or the last object has already
+ * been removed.
+ * @throws UnsupportedOperationException if the list does
+ * not support removing elements.
+ * @throws ConcurrentModificationException if the list
+ * has been modified elsewhere.
+ */
+ public void remove()
+ {
+ checkMod();
+ if (lastReturned < 0)
+ throw new IllegalStateException();
+ AbstractList.this.remove(lastReturned);
+ size--;
+ position = lastReturned;
+ lastReturned = -1;
+ knownMod = modCount;
+ }
+
+ /**
+ * Replaces the last object retrieved by <code>next()</code>
+ * or <code>previous</code> with o, if the list supports object
+ * replacement and an add or remove operation has not already
+ * been performed.
+ *
+ * @throws IllegalStateException if the iterator is positioned
+ * before the start of the list or the last object has already
+ * been removed.
+ * @throws UnsupportedOperationException if the list doesn't support
+ * the addition or removal of elements.
+ * @throws ClassCastException if the type of o is not a valid type
+ * for this list.
+ * @throws IllegalArgumentException if something else related to o
+ * prevents its addition.
+ * @throws ConcurrentModificationException if the list
+ * has been modified elsewhere.
+ */
+ public void set(E o)
+ {
+ checkMod();
+ if (lastReturned < 0)
+ throw new IllegalStateException();
+ AbstractList.this.set(lastReturned, o);
+ }
+
+ /**
+ * Adds the supplied object before the element that would be returned
+ * by a call to <code>next()</code>, if the list supports addition.
+ *
+ * @param o The object to add to the list.
+ * @throws UnsupportedOperationException if the list doesn't support
+ * the addition of new elements.
+ * @throws ClassCastException if the type of o is not a valid type
+ * for this list.
+ * @throws IllegalArgumentException if something else related to o
+ * prevents its addition.
+ * @throws ConcurrentModificationException if the list
+ * has been modified elsewhere.
+ */
+ public void add(E o)
+ {
+ checkMod();
+ AbstractList.this.add(position++, o);
+ size++;
+ lastReturned = -1;
+ knownMod = modCount;
+ }
+ };
+ }
+
+ /**
+ * Remove the element at a given position in this list (optional operation).
+ * Shifts all remaining elements to the left to fill the gap. This
+ * implementation always throws an UnsupportedOperationException.
+ * If you want fail-fast iterators, be sure to increment modCount when
+ * overriding this.
+ *
+ * @param index the position within the list of the object to remove
+ * @return the object that was removed
+ * @throws UnsupportedOperationException if this list does not support the
+ * remove operation
+ * @throws IndexOutOfBoundsException if index < 0 || index >= size()
+ * @see #modCount
+ */
+ public E remove(int index)
+ {
+ throw new UnsupportedOperationException();
+ }
+
+ /**
+ * Remove a subsection of the list. This is called by the clear and
+ * removeRange methods of the class which implements subList, which are
+ * difficult for subclasses to override directly. Therefore, this method
+ * should be overridden instead by the more efficient implementation, if one
+ * exists. Overriding this can reduce quadratic efforts to constant time
+ * in some cases!
+ * <p>
+ *
+ * This implementation first checks for illegal or out of range arguments. It
+ * then obtains a ListIterator over the list using listIterator(fromIndex).
+ * It then calls next() and remove() on this iterator repeatedly, toIndex -
+ * fromIndex times.
+ *
+ * @param fromIndex the index, inclusive, to remove from.
+ * @param toIndex the index, exclusive, to remove to.
+ * @throws UnsupportedOperationException if the list does
+ * not support removing elements.
+ */
+ protected void removeRange(int fromIndex, int toIndex)
+ {
+ ListIterator<E> itr = listIterator(fromIndex);
+ for (int index = fromIndex; index < toIndex; index++)
+ {
+ itr.next();
+ itr.remove();
+ }
+ }
+
+ /**
+ * Replace an element of this list with another object (optional operation).
+ * This implementation always throws an UnsupportedOperationException.
+ *
+ * @param index the position within this list of the element to be replaced
+ * @param o the object to replace it with
+ * @return the object that was replaced
+ * @throws UnsupportedOperationException if this list does not support the
+ * set operation
+ * @throws IndexOutOfBoundsException if index < 0 || index >= size()
+ * @throws ClassCastException if o cannot be added to this list due to its
+ * type
+ * @throws IllegalArgumentException if o cannot be added to this list for
+ * some other reason
+ */
+ public E set(int index, E o)
+ {
+ throw new UnsupportedOperationException();
+ }
+
+ /**
+ * Obtain a List view of a subsection of this list, from fromIndex
+ * (inclusive) to toIndex (exclusive). If the two indices are equal, the
+ * sublist is empty. The returned list should be modifiable if and only
+ * if this list is modifiable. Changes to the returned list should be
+ * reflected in this list. If this list is structurally modified in
+ * any way other than through the returned list, the result of any subsequent
+ * operations on the returned list is undefined.
+ * <p>
+ *
+ * This implementation returns a subclass of AbstractList. It stores, in
+ * private fields, the offset and size of the sublist, and the expected
+ * modCount of the backing list. If the backing list implements RandomAccess,
+ * the sublist will also.
+ * <p>
+ *
+ * The subclass's <code>set(int, Object)</code>, <code>get(int)</code>,
+ * <code>add(int, Object)</code>, <code>remove(int)</code>,
+ * <code>addAll(int, Collection)</code> and
+ * <code>removeRange(int, int)</code> methods all delegate to the
+ * corresponding methods on the backing abstract list, after
+ * bounds-checking the index and adjusting for the offset. The
+ * <code>addAll(Collection c)</code> method merely returns addAll(size, c).
+ * The <code>listIterator(int)</code> method returns a "wrapper object"
+ * over a list iterator on the backing list, which is created with the
+ * corresponding method on the backing list. The <code>iterator()</code>
+ * method merely returns listIterator(), and the <code>size()</code> method
+ * merely returns the subclass's size field.
+ * <p>
+ *
+ * All methods first check to see if the actual modCount of the backing
+ * list is equal to its expected value, and throw a
+ * ConcurrentModificationException if it is not.
+ *
+ * @param fromIndex the index that the returned list should start from
+ * (inclusive)
+ * @param toIndex the index that the returned list should go to (exclusive)
+ * @return a List backed by a subsection of this list
+ * @throws IndexOutOfBoundsException if fromIndex < 0
+ * || toIndex > size()
+ * @throws IllegalArgumentException if fromIndex > toIndex
+ * @see ConcurrentModificationException
+ * @see RandomAccess
+ */
+ public List<E> subList(int fromIndex, int toIndex)
+ {
+ // This follows the specification of AbstractList, but is inconsistent
+ // with the one in List. Don't you love Sun's inconsistencies?
+ if (fromIndex > toIndex)
+ throw new IllegalArgumentException(fromIndex + " > " + toIndex);
+ if (fromIndex < 0 || toIndex > size())
+ throw new IndexOutOfBoundsException();
+
+ if (this instanceof RandomAccess)
+ return new RandomAccessSubList<E>(this, fromIndex, toIndex);
+ return new SubList<E>(this, fromIndex, toIndex);
+ }
+
+ /**
+ * This class follows the implementation requirements set forth in
+ * {@link AbstractList#subList(int, int)}. It matches Sun's implementation
+ * by using a non-public top-level class in the same package.
+ *
+ * @author Original author unknown
+ * @author Eric Blake (eb...@em...)
+ */
+ private static class SubList<E> extends AbstractList<E>
+ {
+ // Package visible, for use by iterator.
+ /** The original list. */
+ final AbstractList<E> backingList;
+ /** The index of the first element of the sublist. */
+ final int offset;
+ /** The size of the sublist. */
+ int size;
+
+ /**
+ * Construct the sublist.
+ *
+ * @param backing the list this comes from
+ * @param fromIndex the lower bound, inclusive
+ * @param toIndex the upper bound, exclusive
+ */
+ SubList(AbstractList<E> backing, int fromIndex, int toIndex)
+ {
+ backingList = backing;
+ modCount = backing.modCount;
+ offset = fromIndex;
+ size = toIndex - fromIndex;
+ }
+
+ /**
+ * This method checks the two modCount fields to ensure that there has
+ * not been a concurrent modification, returning if all is okay.
+ *
+ * @throws ConcurrentModificationException if the backing list has been
+ * modified externally to this sublist
+ */
+ // This can be inlined. Package visible, for use by iterator.
+ void checkMod()
+ {
+ if (modCount != backingList.modCount)
+ throw new ConcurrentModificationException();
+ }
+
+ /**
+ * This method checks that a value is between 0 and size (inclusive). If
+ * it is not, an exception is thrown.
+ *
+ * @param index the value to check
+ * @throws IndexOutOfBoundsException if index < 0 || index > size()
+ */
+ // This will get inlined, since it is private.
+ private void checkBoundsInclusive(int index)
+ {
+ if (index < 0 || index > size)
+ throw new IndexOutOfBoundsException("Index: " + index + ", Size:"
+ + size);
+ }
+
+ /**
+ * This method checks that a value is between 0 (inclusive) and size
+ * (exclusive). If it is not, an exception is thrown.
+ *
+ * @param index the value to check
+ * @throws IndexOutOfBoundsException if index < 0 || index >= size()
+ */
+ // This will get inlined, since it is private.
+ private void checkBoundsExclusive(int index)
+ {
+ if (index < 0 || index >= size)
+ throw new IndexOutOfBoundsException("Index: " + index + ", Size:"
+ + size);
+ }
+
+ /**
+ * Specified by AbstractList.subList to return the private field size.
+ *
+ * @return the sublist size
+ * @throws ConcurrentModificationException if the backing list has been
+ * modified externally to this sublist
+ */
+ public int size()
+ {
+ checkMod();
+ return size;
+ }
+
+ /**
+ * Specified by AbstractList.subList to delegate to the backing list.
+ *
+ * @param index the location to modify
+ * @param o the new value
+ * @return the old value
+ * @throws ConcurrentModificationException if the backing list has been
+ * modified externally to this sublist
+ * @throws UnsupportedOperationException if the backing list does not
+ * support the set operation
+ * @throws IndexOutOfBoundsException if index < 0 || index >= size()
+ * @throws ClassCastException if o cannot be added to the backing list due
+ * to its type
+ * @throws IllegalArgumentException if o cannot be added to the backing list
+ * for some other reason
+ */
+ public E set(int index, E o)
+ {
+ checkMod();
+ checkBoundsExclusive(index);
+ return backingList.set(index + offset, o);
+ }
+
+ /**
+ * Specified by AbstractList.subList to delegate to the backing list.
+ *
+ * @param index the location to get from
+ * @return the object at that location
+ * @throws ConcurrentModificationException if the backing list has been
+ * modified externally to this sublist
+ * @throws IndexOutOfBoundsException if index < 0 || index >= size()
+ */
+ public E get(int index)
+ {
+ checkMod();
+ checkBoundsExclusive(index);
+ return backingList.get(index + offset);
+ }
+
+ /**
+ * Specified by AbstractList.subList to delegate to the backing list.
+ *
+ * @param index the index to insert at
+ * @param o the object to add
+ * @throws ConcurrentModificationException if the backing list has been
+ * modified externally to this sublist
+ * @throws IndexOutOfBoundsException if index < 0 || index > size()
+ * @throws UnsupportedOperationException if the backing list does not
+ * support the add operation.
+ * @throws ClassCastException if o cannot be added to the backing list due
+ * to its type.
+ * @throws IllegalArgumentException if o cannot be added to the backing
+ * list for some other reason.
+ */
+ public void add(int index, E o)
+ {
+ checkMod();
+ checkBoundsInclusive(index);
+ backingList.add(index + offset, o);
+ size++;
+ modCount = backingList.modCount;
+ }
+
+ /**
+ * Specified by AbstractList.subList to delegate to the backing list.
+ *
+ * @param index the index to remove
+ * @return the removed object
+ * @throws ConcurrentModificationException if the backing list has been
+ * modified externally to this sublist
+ * @throws IndexOutOfBoundsException if index < 0 || index >= size()
+ * @throws UnsupportedOperationException if the backing list does not
+ * support the remove operation
+ */
+ public E remove(int index)
+ {
+ checkMod();
+ checkBoundsExclusive(index);
+ E o = backingList.remove(index + offset);
+ size--;
+ modCount = backingList.modCount;
+ return o;
+ }
+
+ /**
+ * Specified by AbstractList.subList to delegate to the backing list.
+ * This does no bounds checking, as it assumes it will only be called
+ * by trusted code like clear() which has already checked the bounds.
+ *
+ * @param fromIndex the lower bound, inclusive
+ * @param toIndex the upper bound, exclusive
+ * @throws ConcurrentModificationException if the backing list has been
+ * modified externally to this sublist
+ * @throws UnsupportedOperationException if the backing list does
+ * not support removing elements.
+ */
+ protected void removeRange(int fromIndex, int toIndex)
+ {
+ checkMod();
+
+ backingList.removeRange(offset + fromIndex, offset + toIndex);
+ size -= toIndex - fromIndex;
+ modCount = backingList.modCount;
+ }
+
+ /**
+ * Specified by AbstractList.subList to delegate to the backing list.
+ *
+ * @param index the location to insert at
+ * @param c the collection to insert
+ * @return true if this list was modified, in other words, c is non-empty
+ * @throws ConcurrentModificationException if the backing list has been
+ * modified externally to this sublist
+ * @throws IndexOutOfBoundsException if index < 0 || index > size()
+ * @throws UnsupportedOperationException if this list does not support the
+ * addAll operation
+ * @throws ClassCastException if some element of c cannot be added to this
+ * list due to its type
+ * @throws IllegalArgumentException if some element of c cannot be added
+ * to this list for some other reason
+ * @throws NullPointerException if the specified collection is null
+ */
+ public boolean addAll(int index, Collection<? extends E> c)
+ {
+ checkMod();
+ checkBoundsInclusive(index);
+ int csize = c.size();
+ boolean result = backingList.addAll(offset + index, c);
+ size += csize;
+ modCount = backingList.modCount;
+ return result;
+ }
+
+ /**
+ * Specified by AbstractList.subList to return addAll(size, c).
+ *
+ * @param c the collection to insert
+ * @return true if this list was modified, in other words, c is non-empty
+ * @throws ConcurrentModificationException if the backing list has been
+ * modified externally to this sublist
+ * @throws UnsupportedOperationException if this list does not support the
+ * addAll operation
+ * @throws ClassCastException if some element of c cannot be added to this
+ * list due to its type
+ * @throws IllegalArgumentException if some element of c cannot be added
+ * to this list for some other reason
+ * @throws NullPointerException if the specified collection is null
+ */
+ public boolean addAll(Collection<? extends E> c)
+ {
+ return addAll(size, c);
+ }
+
+ /**
+ * Specified by AbstractList.subList to return listIterator().
+ *
+ * @return an iterator over the sublist
+ */
+ public Iterator<E> iterator()
+ {
+ return listIterator();
+ }
+
+ /**
+ * Specified by AbstractList.subList to return a wrapper around the
+ * backing list's iterator.
+ *
+ * @param index the start location of the iterator
+ * @return a list iterator over the sublist
+ * @throws ConcurrentModificationException if the backing list has been
+ * modified externally to this sublist
+ * @throws IndexOutOfBoundsException if the value is out of range
+ */
+ public ListIterator<E> listIterator(final int index)
...
[truncated message content] |
|
From: <ls...@us...> - 2006-12-12 21:10:02
|
Revision: 2896
http://jnode.svn.sourceforge.net/jnode/?rev=2896&view=rev
Author: lsantha
Date: 2006-12-12 13:09:56 -0800 (Tue, 12 Dec 2006)
Log Message:
-----------
Migrating to Java 5 level classpath.
Added Paths:
-----------
trunk/core/src/classpath/java/java/io/
trunk/core/src/classpath/java/java/io/BufferedInputStream.java
trunk/core/src/classpath/java/java/io/BufferedOutputStream.java
trunk/core/src/classpath/java/java/io/BufferedReader.java
trunk/core/src/classpath/java/java/io/BufferedWriter.java
trunk/core/src/classpath/java/java/io/ByteArrayInputStream.java
trunk/core/src/classpath/java/java/io/ByteArrayOutputStream.java
trunk/core/src/classpath/java/java/io/CharArrayReader.java
trunk/core/src/classpath/java/java/io/CharArrayWriter.java
trunk/core/src/classpath/java/java/io/CharConversionException.java
trunk/core/src/classpath/java/java/io/Closeable.java
trunk/core/src/classpath/java/java/io/DataInput.java
trunk/core/src/classpath/java/java/io/DataInputStream.java
trunk/core/src/classpath/java/java/io/DataOutput.java
trunk/core/src/classpath/java/java/io/DataOutputStream.java
trunk/core/src/classpath/java/java/io/DeleteFileHelper.java
trunk/core/src/classpath/java/java/io/EOFException.java
trunk/core/src/classpath/java/java/io/Externalizable.java
trunk/core/src/classpath/java/java/io/File.java
trunk/core/src/classpath/java/java/io/FileDescriptor.java
trunk/core/src/classpath/java/java/io/FileFilter.java
trunk/core/src/classpath/java/java/io/FileInputStream.java
trunk/core/src/classpath/java/java/io/FileNotFoundException.java
trunk/core/src/classpath/java/java/io/FileOutputStream.java
trunk/core/src/classpath/java/java/io/FilePermission.java
trunk/core/src/classpath/java/java/io/FileReader.java
trunk/core/src/classpath/java/java/io/FileWriter.java
trunk/core/src/classpath/java/java/io/FilenameFilter.java
trunk/core/src/classpath/java/java/io/FilterInputStream.java
trunk/core/src/classpath/java/java/io/FilterOutputStream.java
trunk/core/src/classpath/java/java/io/FilterReader.java
trunk/core/src/classpath/java/java/io/FilterWriter.java
trunk/core/src/classpath/java/java/io/Flushable.java
trunk/core/src/classpath/java/java/io/IOException.java
trunk/core/src/classpath/java/java/io/InputStream.java
trunk/core/src/classpath/java/java/io/InputStreamReader.java
trunk/core/src/classpath/java/java/io/InterruptedIOException.java
trunk/core/src/classpath/java/java/io/InvalidClassException.java
trunk/core/src/classpath/java/java/io/InvalidObjectException.java
trunk/core/src/classpath/java/java/io/LineNumberInputStream.java
trunk/core/src/classpath/java/java/io/LineNumberReader.java
trunk/core/src/classpath/java/java/io/NotActiveException.java
trunk/core/src/classpath/java/java/io/NotSerializableException.java
trunk/core/src/classpath/java/java/io/ObjectInput.java
trunk/core/src/classpath/java/java/io/ObjectInputStream.java
trunk/core/src/classpath/java/java/io/ObjectInputValidation.java
trunk/core/src/classpath/java/java/io/ObjectOutput.java
trunk/core/src/classpath/java/java/io/ObjectOutputStream.java
trunk/core/src/classpath/java/java/io/ObjectStreamClass.java
trunk/core/src/classpath/java/java/io/ObjectStreamConstants.java
trunk/core/src/classpath/java/java/io/ObjectStreamException.java
trunk/core/src/classpath/java/java/io/ObjectStreamField.java
trunk/core/src/classpath/java/java/io/OptionalDataException.java
trunk/core/src/classpath/java/java/io/OutputStream.java
trunk/core/src/classpath/java/java/io/OutputStreamWriter.java
trunk/core/src/classpath/java/java/io/PipedInputStream.java
trunk/core/src/classpath/java/java/io/PipedOutputStream.java
trunk/core/src/classpath/java/java/io/PipedReader.java
trunk/core/src/classpath/java/java/io/PipedWriter.java
trunk/core/src/classpath/java/java/io/PrintStream.java
trunk/core/src/classpath/java/java/io/PrintWriter.java
trunk/core/src/classpath/java/java/io/PushbackInputStream.java
trunk/core/src/classpath/java/java/io/PushbackReader.java
trunk/core/src/classpath/java/java/io/RandomAccessFile.java
trunk/core/src/classpath/java/java/io/Reader.java
trunk/core/src/classpath/java/java/io/SequenceInputStream.java
trunk/core/src/classpath/java/java/io/Serializable.java
trunk/core/src/classpath/java/java/io/SerializablePermission.java
trunk/core/src/classpath/java/java/io/StreamCorruptedException.java
trunk/core/src/classpath/java/java/io/StreamTokenizer.java
trunk/core/src/classpath/java/java/io/StringBufferInputStream.java
trunk/core/src/classpath/java/java/io/StringReader.java
trunk/core/src/classpath/java/java/io/StringWriter.java
trunk/core/src/classpath/java/java/io/SyncFailedException.java
trunk/core/src/classpath/java/java/io/UTFDataFormatException.java
trunk/core/src/classpath/java/java/io/UnsupportedEncodingException.java
trunk/core/src/classpath/java/java/io/WriteAbortedException.java
trunk/core/src/classpath/java/java/io/Writer.java
trunk/core/src/classpath/java/java/io/class-dependencies.conf
trunk/core/src/classpath/java/java/io/package.html
Added: trunk/core/src/classpath/java/java/io/BufferedInputStream.java
===================================================================
--- trunk/core/src/classpath/java/java/io/BufferedInputStream.java (rev 0)
+++ trunk/core/src/classpath/java/java/io/BufferedInputStream.java 2006-12-12 21:09:56 UTC (rev 2896)
@@ -0,0 +1,379 @@
+/* BufferedInputStream.java -- An input stream that implements buffering
+ Copyright (C) 1998, 1999, 2001, 2005 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.io;
+
+/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
+ * "The Java Language Specification", ISBN 0-201-63451-1
+ * plus online API docs for JDK 1.2 beta from http://www.javasoft.com.
+ * Status: Believed complete and correct.
+ */
+
+/**
+ * This subclass of <code>FilterInputStream</code> buffers input from an
+ * underlying implementation to provide a possibly more efficient read
+ * mechanism. It maintains the buffer and buffer state in instance
+ * variables that are available to subclasses. The default buffer size
+ * of 2048 bytes can be overridden by the creator of the stream.
+ * <p>
+ * This class also implements mark/reset functionality. It is capable
+ * of remembering any number of input bytes, to the limits of
+ * system memory or the size of <code>Integer.MAX_VALUE</code>
+ * <p>
+ * Please note that this class does not properly handle character
+ * encodings. Consider using the <code>BufferedReader</code> class which
+ * does.
+ *
+ * @author Aaron M. Renn (ar...@ur...)
+ * @author Warren Levy (wa...@cy...)
+ * @author Jeroen Frijters (je...@fr...)
+ */
+public class BufferedInputStream extends FilterInputStream
+{
+
+ /**
+ * This is the default buffer size
+ */
+ private static final int DEFAULT_BUFFER_SIZE = 2048;
+
+ /**
+ * The buffer used for storing data from the underlying stream.
+ */
+ protected byte[] buf;
+
+ /**
+ * The number of valid bytes currently in the buffer. It is also the index
+ * of the buffer position one byte past the end of the valid data.
+ */
+ protected int count;
+
+ /**
+ * The index of the next character that will by read from the buffer.
+ * When <code>pos == count</code>, the buffer is empty.
+ */
+ protected int pos;
+
+ /**
+ * The value of <code>pos</code> when the <code>mark()</code> method was
+ * called.
+ * This is set to -1 if there is no mark set.
+ */
+ protected int markpos = -1;
+
+ /**
+ * This is the maximum number of bytes than can be read after a
+ * call to <code>mark()</code> before the mark can be discarded.
+ * After this may bytes are read, the <code>reset()</code> method
+ * may not be called successfully.
+ */
+ protected int marklimit;
+
+ /**
+ * This is the initial buffer size. When the buffer is grown because
+ * of marking requirements, it will be grown by bufferSize increments.
+ * The underlying stream will be read in chunks of bufferSize.
+ */
+ private final int bufferSize;
+
+ /**
+ * This method initializes a new <code>BufferedInputStream</code> that will
+ * read from the specified subordinate stream with a default buffer size
+ * of 2048 bytes
+ *
+ * @param in The subordinate stream to read from
+ */
+ public BufferedInputStream(InputStream in)
+ {
+ this(in, DEFAULT_BUFFER_SIZE);
+ }
+
+ /**
+ * This method initializes a new <code>BufferedInputStream</code> that will
+ * read from the specified subordinate stream with a buffer size that
+ * is specified by the caller.
+ *
+ * @param in The subordinate stream to read from
+ * @param size The buffer size to use
+ *
+ * @exception IllegalArgumentException when size is smaller then 1
+ */
+ public BufferedInputStream(InputStream in, int size)
+ {
+ super(in);
+ if (size <= 0)
+ throw new IllegalArgumentException();
+ buf = new byte[size];
+ // initialize pos & count to bufferSize, to prevent refill from
+ // allocating a new buffer (if the caller starts out by calling mark()).
+ pos = count = bufferSize = size;
+ }
+
+ /**
+ * This method returns the number of bytes that can be read from this
+ * stream before a read can block. A return of 0 indicates that blocking
+ * might (or might not) occur on the very next read attempt.
+ * <p>
+ * The number of available bytes will be the number of read ahead bytes
+ * stored in the internal buffer plus the number of available bytes in
+ * the underlying stream.
+ *
+ * @return The number of bytes that can be read before blocking could occur
+ *
+ * @exception IOException If an error occurs
+ */
+ public synchronized int available() throws IOException
+ {
+ return count - pos + super.available();
+ }
+
+ /**
+ * This method closes the underlying input stream and frees any
+ * resources associated with it. Sets <code>buf</code> to <code>null</code>.
+ *
+ * @exception IOException If an error occurs.
+ */
+ public void close() throws IOException
+ {
+ // Free up the array memory.
+ buf = null;
+ pos = count = 0;
+ markpos = -1;
+ super.close();
+ }
+
+ /**
+ * This method marks a position in the input to which the stream can be
+ * "reset" by calling the <code>reset()</code> method. The parameter
+ * <code>readlimit</code> is the number of bytes that can be read from the
+ * stream after setting the mark before the mark becomes invalid. For
+ * example, if <code>mark()</code> is called with a read limit of 10, then
+ * when 11 bytes of data are read from the stream before the
+ * <code>reset()</code> method is called, then the mark is invalid and the
+ * stream object instance is not required to remember the mark.
+ * <p>
+ * Note that the number of bytes that can be remembered by this method
+ * can be greater than the size of the internal read buffer. It is also
+ * not dependent on the subordinate stream supporting mark/reset
+ * functionality.
+ *
+ * @param readlimit The number of bytes that can be read before the mark
+ * becomes invalid
+ */
+ public synchronized void mark(int readlimit)
+ {
+ marklimit = readlimit;
+ markpos = pos;
+ }
+
+ /**
+ * This method returns <code>true</code> to indicate that this class
+ * supports mark/reset functionality.
+ *
+ * @return <code>true</code> to indicate that mark/reset functionality is
+ * supported
+ *
+ */
+ public boolean markSupported()
+ {
+ return true;
+ }
+
+ /**
+ * This method reads an unsigned byte from the input stream and returns it
+ * as an int in the range of 0-255. This method also will return -1 if
+ * the end of the stream has been reached.
+ * <p>
+ * This method will block until the byte can be read.
+ *
+ * @return The byte read or -1 if end of stream
+ *
+ * @exception IOException If an error occurs
+ */
+ public synchronized int read() throws IOException
+ {
+ if (pos >= count && !refill())
+ return -1; // EOF
+
+ return buf[pos++] & 0xFF;
+ }
+
+ /**
+ * This method reads bytes from a stream and stores them into a caller
+ * supplied buffer. It starts storing the data at index <code>off</code>
+ * into the buffer and attempts to read <code>len</code> bytes. This method
+ * can return before reading the number of bytes requested, but it will try
+ * to read the requested number of bytes by repeatedly calling the underlying
+ * stream as long as available() for this stream continues to return a
+ * non-zero value (or until the requested number of bytes have been read).
+ * The actual number of bytes read is returned as an int. A -1 is returned
+ * to indicate the end of the stream.
+ * <p>
+ * This method will block until some data can be read.
+ *
+ * @param b The array into which the bytes read should be stored
+ * @param off The offset into the array to start storing bytes
+ * @param len The requested number of bytes to read
+ *
+ * @return The actual number of bytes read, or -1 if end of stream.
+ *
+ * @exception IOException If an error occurs.
+ * @exception IndexOutOfBoundsException when <code>off</code> or
+ * <code>len</code> are negative, or when <code>off + len</code>
+ * is larger then the size of <code>b</code>,
+ */
+ public synchronized int read(byte[] b, int off, int len) throws IOException
+ {
+ if (off < 0 || len < 0 || b.length - off < len)
+ throw new IndexOutOfBoundsException();
+
+ if (len == 0)
+ return 0;
+
+ if (pos >= count && !refill())
+ return -1; // No bytes were read before EOF.
+
+ int totalBytesRead = Math.min(count - pos, len);
+ System.arraycopy(buf, pos, b, off, totalBytesRead);
+ pos += totalBytesRead;
+ off += totalBytesRead;
+ len -= totalBytesRead;
+
+ while (len > 0 && super.available() > 0 && refill())
+ {
+ int remain = Math.min(count - pos, len);
+ System.arraycopy(buf, pos, b, off, remain);
+ pos += remain;
+ off += remain;
+ len -= remain;
+ totalBytesRead += remain;
+ }
+
+ return totalBytesRead;
+ }
+
+ /**
+ * This method resets a stream to the point where the <code>mark()</code>
+ * method was called. Any bytes that were read after the mark point was
+ * set will be re-read during subsequent reads.
+ * <p>
+ * This method will throw an IOException if the number of bytes read from
+ * the stream since the call to <code>mark()</code> exceeds the mark limit
+ * passed when establishing the mark.
+ *
+ * @exception IOException If <code>mark()</code> was never called or more
+ * then <code>marklimit</code> bytes were read since the last
+ * call to <code>mark()</code>
+ */
+ public synchronized void reset() throws IOException
+ {
+ if (markpos == -1)
+ throw new IOException(buf == null ? "Stream closed." : "Invalid mark.");
+
+ pos = markpos;
+ }
+
+ /**
+ * This method skips the specified number of bytes in the stream. It
+ * returns the actual number of bytes skipped, which may be less than the
+ * requested amount.
+ *
+ * @param n The requested number of bytes to skip
+ *
+ * @return The actual number of bytes skipped.
+ *
+ * @exception IOException If an error occurs
+ */
+ public synchronized long skip(long n) throws IOException
+ {
+ if (buf == null)
+ throw new IOException("Stream closed.");
+
+ final long origN = n;
+
+ while (n > 0L)
+ {
+ if (pos >= count && !refill())
+ break;
+
+ int numread = (int) Math.min((long) (count - pos), n);
+ pos += numread;
+ n -= numread;
+ }
+
+ return origN - n;
+ }
+
+ /**
+ * Called to refill the buffer (when count is equal to pos).
+ *
+ * @return <code>true</code> when at least one additional byte was read
+ * into <code>buf</code>, <code>false</code> otherwise (at EOF).
+ */
+ private boolean refill() throws IOException
+ {
+ if (buf == null)
+ throw new IOException("Stream closed.");
+
+ if (markpos == -1 || count - markpos >= marklimit)
+ {
+ markpos = -1;
+ pos = count = 0;
+ }
+ else
+ {
+ byte[] newbuf = buf;
+ if (markpos < bufferSize)
+ {
+ newbuf = new byte[count - markpos + bufferSize];
+ }
+ System.arraycopy(buf, markpos, newbuf, 0, count - markpos);
+ buf = newbuf;
+ count -= markpos;
+ pos -= markpos;
+ markpos = 0;
+ }
+
+ int numread = super.read(buf, count, bufferSize);
+
+ if (numread <= 0) // EOF
+ return false;
+
+ count += numread;
+ return true;
+ }
+}
Added: trunk/core/src/classpath/java/java/io/BufferedOutputStream.java
===================================================================
--- trunk/core/src/classpath/java/java/io/BufferedOutputStream.java (rev 0)
+++ trunk/core/src/classpath/java/java/io/BufferedOutputStream.java 2006-12-12 21:09:56 UTC (rev 2896)
@@ -0,0 +1,192 @@
+/* BufferedOutputStream.java -- Buffer output into large blocks before writing
+ Copyright (C) 1998, 2000, 2003 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.io;
+
+/**
+ * This class accumulates bytes written in a buffer instead of immediately
+ * writing the data to the underlying output sink. The bytes are instead
+ * as one large block when the buffer is filled, or when the stream is
+ * closed or explicitly flushed. This mode operation can provide a more
+ * efficient mechanism for writing versus doing numerous small unbuffered
+ * writes.
+ *
+ * @author Aaron M. Renn (ar...@ur...)
+ */
+public class BufferedOutputStream extends FilterOutputStream
+{
+ /**
+ * This is the default buffer size
+ */
+ private static final int DEFAULT_BUFFER_SIZE = 512;
+
+ /**
+ * This is the internal byte array used for buffering output before
+ * writing it.
+ */
+ protected byte[] buf;
+
+ /**
+ * This is the number of bytes that are currently in the buffer and
+ * are waiting to be written to the underlying stream. It always points to
+ * the index into the buffer where the next byte of data will be stored
+ */
+ protected int count;
+
+ /**
+ * This method initializes a new <code>BufferedOutputStream</code> instance
+ * that will write to the specified subordinate <code>OutputStream</code>
+ * and which will use a default buffer size of 512 bytes.
+ *
+ * @param out The underlying <code>OutputStream</code> to write data to
+ */
+ public BufferedOutputStream(OutputStream out)
+ {
+ this(out, DEFAULT_BUFFER_SIZE);
+ }
+
+ /**
+ * This method initializes a new <code>BufferedOutputStream</code> instance
+ * that will write to the specified subordinate <code>OutputStream</code>
+ * and which will use the specified buffer size
+ *
+ * @param out The underlying <code>OutputStream</code> to write data to
+ * @param size The size of the internal buffer
+ */
+ public BufferedOutputStream(OutputStream out, int size)
+ {
+ super(out);
+
+ buf = new byte[size];
+ }
+
+ /**
+ * This method causes any currently buffered bytes to be immediately
+ * written to the underlying output stream.
+ *
+ * @exception IOException If an error occurs
+ */
+ public synchronized void flush() throws IOException
+ {
+ if (count == 0)
+ return;
+
+ out.write(buf, 0, count);
+ count = 0;
+ out.flush();
+ }
+
+ /**
+ * This method flushes any remaining buffered bytes then closes the
+ * underlying output stream. Any further attempts to write to this stream
+ * may throw an exception
+ *
+ public synchronized void close() throws IOException
+ {
+ flush();
+ out.close();
+ }
+ */
+
+ /**
+ * This method runs when the object is garbage collected. It is
+ * responsible for ensuring that all buffered bytes are written and
+ * for closing the underlying stream.
+ *
+ * @exception IOException If an error occurs (ignored by the Java runtime)
+ *
+ protected void finalize() throws IOException
+ {
+ close();
+ }
+ */
+
+ /**
+ * This method writes a single byte of data. This will be written to the
+ * buffer instead of the underlying data source. However, if the buffer
+ * is filled as a result of this write request, it will be flushed to the
+ * underlying output stream.
+ *
+ * @param b The byte of data to be written, passed as an int
+ *
+ * @exception IOException If an error occurs
+ */
+ public synchronized void write(int b) throws IOException
+ {
+ if (count == buf.length)
+ flush();
+
+ buf[count] = (byte)(b & 0xFF);
+ ++count;
+ }
+
+ /**
+ * This method writes <code>len</code> bytes from the byte array
+ * <code>buf</code> starting at position <code>offset</code> in the buffer.
+ * These bytes will be written to the internal buffer. However, if this
+ * write operation fills the buffer, the buffer will be flushed to the
+ * underlying output stream.
+ *
+ * @param buf The array of bytes to write.
+ * @param offset The index into the byte array to start writing from.
+ * @param len The number of bytes to write.
+ *
+ * @exception IOException If an error occurs
+ */
+ public synchronized void write(byte[] buf, int offset, int len)
+ throws IOException
+ {
+ // Buffer can hold everything. Note that the case where LEN < 0
+ // is automatically handled by the downstream write.
+ if (len < (this.buf.length - count))
+ {
+ System.arraycopy(buf, offset, this.buf, count, len);
+ count += len;
+ }
+ else
+ {
+ // The write was too big. So flush the buffer and write the new
+ // bytes directly to the underlying stream, per the JDK 1.2
+ // docs.
+ flush();
+ out.write (buf, offset, len);
+ }
+ }
+
+} // class BufferedOutputStream
+
Added: trunk/core/src/classpath/java/java/io/BufferedReader.java
===================================================================
--- trunk/core/src/classpath/java/java/io/BufferedReader.java (rev 0)
+++ trunk/core/src/classpath/java/java/io/BufferedReader.java 2006-12-12 21:09:56 UTC (rev 2896)
@@ -0,0 +1,581 @@
+/* BufferedReader.java
+ Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+ Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.io;
+
+/* Written using "Java Class Libraries", 2nd edition, plus online
+ * API docs for JDK 1.2 beta from http://www.javasoft.com.
+ * Status: Believed complete and correct.
+ */
+
+/**
+ * This subclass of <code>FilterReader</code> buffers input from an
+ * underlying implementation to provide a possibly more efficient read
+ * mechanism. It maintains the buffer and buffer state in instance
+ * variables that are available to subclasses. The default buffer size
+ * of 8192 chars can be overridden by the creator of the stream.
+ * <p>
+ * This class also implements mark/reset functionality. It is capable
+ * of remembering any number of input chars, to the limits of
+ * system memory or the size of <code>Integer.MAX_VALUE</code>
+ *
+ * @author Per Bothner (bo...@cy...)
+ * @author Aaron M. Renn (ar...@ur...)
+ */
+public class BufferedReader extends Reader
+{
+ Reader in;
+ char[] buffer;
+ /* Index of current read position. Must be >= 0 and <= limit. */
+ /* There is a special case where pos may be equal to limit+1; this
+ * is used as an indicator that a readLine was done with a '\r' was
+ * the very last char in the buffer. Since we don't want to read-ahead
+ * and potentially block, we set pos this way to indicate the situation
+ * and deal with it later. Doing it this way rather than having a
+ * separate boolean field to indicate the condition has the advantage
+ * that it is self-clearing on things like mark/reset.
+ */
+ int pos;
+ /* Limit of valid data in buffer. Must be >= pos and <= buffer.length. */
+ /* This can be < pos in the one special case described above. */
+ int limit;
+
+ /* The value -1 means there is no mark, or the mark has been invalidated.
+ Otherwise, markPos is the index in the buffer of the marked position.
+ Must be >= 0 and <= pos.
+ Note we do not explicitly store the read-limit.
+ The implicit read-limit is (buffer.length - markPos), which is
+ guaranteed to be >= the read-limit requested in the call to mark. */
+ int markPos = -1;
+
+ // The JCL book specifies the default buffer size as 8K characters.
+ // This is package-private because it is used by LineNumberReader.
+ static final int DEFAULT_BUFFER_SIZE = 8192;
+
+ /**
+ * The line buffer for <code>readLine</code>.
+ */
+ private StringBuffer sbuf = null;
+
+ /**
+ * Create a new <code>BufferedReader</code> that will read from the
+ * specified subordinate stream with a default buffer size of 8192 chars.
+ *
+ * @param in The subordinate stream to read from
+ */
+ public BufferedReader(Reader in)
+ {
+ this(in, DEFAULT_BUFFER_SIZE);
+ }
+
+ /**
+ * Create a new <code>BufferedReader</code> that will read from the
+ * specified subordinate stream with a buffer size that is specified by the
+ * caller.
+ *
+ * @param in The subordinate stream to read from
+ * @param size The buffer size to use
+ *
+ * @exception IllegalArgumentException if size <= 0
+ */
+ public BufferedReader(Reader in, int size)
+ {
+ super(in.lock);
+ if (size <= 0)
+ throw new IllegalArgumentException("Illegal buffer size: " + size);
+ this.in = in;
+ buffer = new char[size];
+ }
+
+ /**
+ * This method closes the underlying stream and frees any associated
+ * resources.
+ *
+ * @exception IOException If an error occurs
+ */
+ public void close() throws IOException
+ {
+ synchronized (lock)
+ {
+ if (in != null)
+ in.close();
+ in = null;
+ buffer = null;
+ }
+ }
+
+ /**
+ * Returns <code>true</code> to indicate that this class supports mark/reset
+ * functionality.
+ *
+ * @return <code>true</code>
+ */
+ public boolean markSupported()
+ {
+ return true;
+ }
+
+ /**
+ * Mark a position in the input to which the stream can be
+ * "reset" by calling the <code>reset()</code> method. The parameter
+ * <code>readLimit</code> is the number of chars that can be read from the
+ * stream after setting the mark before the mark becomes invalid. For
+ * example, if <code>mark()</code> is called with a read limit of 10, then
+ * when 11 chars of data are read from the stream before the
+ * <code>reset()</code> method is called, then the mark is invalid and the
+ * stream object instance is not required to remember the mark.
+ * <p>
+ * Note that the number of chars that can be remembered by this method
+ * can be greater than the size of the internal read buffer. It is also
+ * not dependent on the subordinate stream supporting mark/reset
+ * functionality.
+ *
+ * @param readLimit The number of chars that can be read before the mark
+ * becomes invalid
+ *
+ * @exception IOException If an error occurs
+ * @exception IllegalArgumentException if readLimit is negative.
+ */
+ public void mark(int readLimit) throws IOException
+ {
+ if (readLimit < 0)
+ throw new IllegalArgumentException("Read-ahead limit is negative");
+
+ synchronized (lock)
+ {
+ checkStatus();
+ // In this method we need to be aware of the special case where
+ // pos + 1 == limit. This indicates that a '\r' was the last char
+ // in the buffer during a readLine. We'll want to maintain that
+ // condition after we shift things around and if a larger buffer is
+ // needed to track readLimit, we'll have to make it one element
+ // larger to ensure we don't invalidate the mark too early, if the
+ // char following the '\r' is NOT a '\n'. This is ok because, per
+ // the spec, we are not required to invalidate when passing readLimit.
+ //
+ // Note that if 'pos > limit', then doing 'limit -= pos' will cause
+ // limit to be negative. This is the only way limit will be < 0.
+
+ if (pos + readLimit > limit)
+ {
+ char[] old_buffer = buffer;
+ int extraBuffSpace = 0;
+ if (pos > limit)
+ extraBuffSpace = 1;
+ if (readLimit + extraBuffSpace > limit)
+ buffer = new char[readLimit + extraBuffSpace];
+ limit -= pos;
+ if (limit >= 0)
+ {
+ System.arraycopy(old_buffer, pos, buffer, 0, limit);
+ pos = 0;
+ }
+ }
+
+ if (limit < 0)
+ {
+ // Maintain the relationship of 'pos > limit'.
+ pos = 1;
+ limit = markPos = 0;
+ }
+ else
+ markPos = pos;
+ // Now pos + readLimit <= buffer.length. thus if we need to read
+ // beyond buffer.length, then we are allowed to invalidate markPos.
+ }
+ }
+
+ /**
+ * Reset the stream to the point where the <code>mark()</code> method
+ * was called. Any chars that were read after the mark point was set will
+ * be re-read during subsequent reads.
+ * <p>
+ * This method will throw an IOException if the number of chars read from
+ * the stream since the call to <code>mark()</code> exceeds the mark limit
+ * passed when establishing the mark.
+ *
+ * @exception IOException If an error occurs;
+ */
+ public void reset() throws IOException
+ {
+ synchronized (lock)
+ {
+ checkStatus();
+ if (markPos < 0)
+ throw new IOException("mark never set or invalidated");
+
+ // Need to handle the extremely unlikely case where a readLine was
+ // done with a '\r' as the last char in the buffer; which was then
+ // immediately followed by a mark and a reset with NO intervening
+ // read of any sort. In that case, setting pos to markPos would
+ // lose that info and a subsequent read would thus not skip a '\n'
+ // (if one exists). The value of limit in this rare case is zero.
+ // We can assume that if limit is zero for other reasons, then
+ // pos is already set to zero and doesn't need to be readjusted.
+ if (limit > 0)
+ pos = markPos;
+ }
+ }
+
+ /**
+ * This method determines whether or not a stream is ready to be read. If
+ * this method returns <code>false</code> then this stream could (but is
+ * not guaranteed to) block on the next read attempt.
+ *
+ * @return <code>true</code> if this stream is ready to be read,
+ * <code>false</code> otherwise
+ *
+ * @exception IOException If an error occurs
+ */
+ public boolean ready() throws IOException
+ {
+ synchronized (lock)
+ {
+ checkStatus();
+ return pos < limit || in.ready();
+ }
+ }
+
+ /**
+ * This method read chars from a stream and stores them into a caller
+ * supplied buffer. It starts storing the data at index
+ * <code>offset</code> into
+ * the buffer and attempts to read <code>len</code> chars. This method can
+ * return before reading the number of chars requested. The actual number
+ * of chars read is returned as an int. A -1 is returned to indicate the
+ * end of the stream.
+ * <p>
+ * This method will block until some data can be read.
+ *
+ * @param buf The array into which the chars read should be stored
+ * @param offset The offset into the array to start storing chars
+ * @param count The requested number of chars to read
+ *
+ * @return The actual number of chars read, or -1 if end of stream.
+ *
+ * @exception IOException If an error occurs.
+ * @exception IndexOutOfBoundsException If offset and count are not
+ * valid regarding buf.
+ */
+ public int read(char[] buf, int offset, int count) throws IOException
+ {
+ if (offset < 0 || offset + count > buf.length || count < 0)
+ throw new IndexOutOfBoundsException();
+
+ synchronized (lock)
+ {
+ checkStatus();
+ // Once again, we need to handle the special case of a readLine
+ // that has a '\r' at the end of the buffer. In this case, we'll
+ // need to skip a '\n' if it is the next char to be read.
+ // This special case is indicated by 'pos > limit'.
+ boolean retAtEndOfBuffer = false;
+
+ int avail = limit - pos;
+ if (count > avail)
+ {
+ if (avail > 0)
+ count = avail;
+ else // pos >= limit
+ {
+ if (limit == buffer.length)
+ markPos = -1; // read too far - invalidate the mark.
+ if (pos > limit)
+ {
+ // Set a boolean and make pos == limit to simplify things.
+ retAtEndOfBuffer = true;
+ --pos;
+ }
+ if (markPos < 0)
+ {
+ // Optimization: can read directly into buf.
+ if (count >= buffer.length && !retAtEndOfBuffer)
+ return in.read(buf, offset, count);
+ pos = limit = 0;
+ }
+ avail = in.read(buffer, limit, buffer.length - limit);
+ if (retAtEndOfBuffer && avail > 0 && buffer[limit] == '\n')
+ {
+ --avail;
+ limit++;
+ }
+ if (avail < count)
+ {
+ if (avail <= 0)
+ return avail;
+ count = avail;
+ }
+ limit += avail;
+ }
+ }
+ System.arraycopy(buffer, pos, buf, offset, count);
+ pos += count;
+ return count;
+ }
+ }
+
+ /* Read more data into the buffer. Update pos and limit appropriately.
+ Assumes pos==limit initially. May invalidate the mark if read too much.
+ Return number of chars read (never 0), or -1 on eof. */
+ private int fill() throws IOException
+ {
+ checkStatus();
+ // Handle the special case of a readLine that has a '\r' at the end of
+ // the buffer. In this case, we'll need to skip a '\n' if it is the
+ // next char to be read. This special case is indicated by 'pos > limit'.
+ boolean retAtEndOfBuffer = false;
+ if (pos > limit)
+ {
+ retAtEndOfBuffer = true;
+ --pos;
+ }
+
+ if (markPos >= 0 && limit == buffer.length)
+ markPos = -1;
+ if (markPos < 0)
+ pos = limit = 0;
+ int count = in.read(buffer, limit, buffer.length - limit);
+ if (count > 0)
+ limit += count;
+
+ if (retAtEndOfBuffer && buffer[pos] == '\n')
+ {
+ --count;
+ // If the mark was set to the location of the \n, then we
+ // must change it to fully pretend that the \n does not
+ // exist.
+ if (markPos == pos)
+ ++markPos;
+ ++pos;
+ }
+
+ return count;
+ }
+
+ public int read() throws IOException
+ {
+ synchronized (lock)
+ {
+ checkStatus();
+ if (pos >= limit && fill () <= 0)
+ return -1;
+ return buffer[pos++];
+ }
+ }
+
+ /* Return the end of the line starting at this.pos and ending at limit.
+ * The index returns is *before* any line terminators, or limit
+ * if no line terminators were found.
+ */
+ private int lineEnd(int limit)
+ {
+ int i = pos;
+ for (; i < limit; i++)
+ {
+ char ch = buffer[i];
+ if (ch == '\n' || ch == '\r')
+ break;
+ }
+ return i;
+ }
+
+ /**
+ * This method reads a single line of text from the input stream, returning
+ * it as a <code>String</code>. A line is terminated by "\n", a "\r", or
+ * an "\r\n" sequence. The system dependent line separator is not used.
+ * The line termination characters are not returned in the resulting
+ * <code>String</code>.
+ *
+ * @return The line of text read, or <code>null</code> if end of stream.
+ *
+ * @exception IOException If an error occurs
+ */
+ public String readLine() throws IOException
+ {
+ checkStatus();
+ // Handle the special case where a previous readLine (with no intervening
+ // reads/skips) had a '\r' at the end of the buffer.
+ // In this case, we'll need to skip a '\n' if it's the next char to be read.
+ // This special case is indicated by 'pos > limit'.
+ if (pos > limit)
+ {
+ int ch = read();
+ if (ch < 0)
+ return null;
+ if (ch != '\n')
+ --pos;
+ }
+ int i = lineEnd(limit);
+ if (i < limit)
+ {
+ String str = String.valueOf(buffer, pos, i - pos);
+ pos = i + 1;
+ // If the last char in the buffer is a '\r', we must remember
+ // to check if the next char to be read after the buffer is refilled
+ // is a '\n'. If so, skip it. To indicate this condition, we set pos
+ // to be limit + 1, which normally is never possible.
+ if (buffer[i] == '\r')
+ if (pos == limit || buffer[pos] == '\n')
+ pos++;
+ return str;
+ }
+ if (sbuf == null)
+ sbuf = new StringBuffer(200);
+ else
+ sbuf.setLength(0);
+ sbuf.append(buffer, pos, i - pos);
+ pos = i;
+ // We only want to return null when no characters were read before
+ // EOF. So we must keep track of this separately. Otherwise we
+ // would treat an empty `sbuf' as an EOF condition, which is wrong
+ // when there is just a newline.
+ boolean eof = false;
+ for (;;)
+ {
+ // readLine should block. So we must not return until a -1 is reached.
+ if (pos >= limit)
+ {
+ // here count == 0 isn't sufficient to give a failure.
+ int count = fill();
+ if (count < 0)
+ {
+ eof = true;
+ break;
+ }
+ continue;
+ }
+ int ch = buffer[pos++];
+ if (ch == '\n' || ch == '\r')
+ {
+ // Check here if a '\r' was the last char in the buffer; if so,
+ // mark it as in the comment above to indicate future reads
+ // should skip a newline that is the next char read after
+ // refilling the buffer.
+ if (ch == '\r')
+ if (pos == limit || buffer[pos] == '\n')
+ pos++;
+ break;
+ }
+ i = lineEnd(limit);
+ sbuf.append(buffer, pos - 1, i - (pos - 1));
+ pos = i;
+ }
+ return (sbuf.length() == 0 && eof) ? null : sbuf.toString();
+ }
+
+ /**
+ * This method skips the specified number of chars in the stream. It
+ * returns the actual number of chars skipped, which may be less than the
+ * requested amount.
+ * <p>
+ * This method first discards chars in the buffer, then calls the
+ * <code>skip</code> method on the underlying stream to skip the
+ * remaining chars.
+ *
+ * @param count The requested number of chars to skip
+ *
+ * @return The actual number of chars skipped.
+ *
+ * @exception IOException If an error occurs.
+ * @exception IllegalArgumentException If count is negative.
+ */
+ public long skip(long count) throws IOException
+ {
+ synchronized (lock)
+ {
+ checkStatus();
+ if (count < 0)
+ throw new IllegalArgumentException("skip value is negative");
+ if (count == 0)
+ return 0;
+ // Yet again, we need to handle the special case of a readLine
+ // that has a '\r' at the end of the buffer. In this case, we need
+ // to ignore a '\n' if it is the next char to be read.
+ // This special case is indicated by 'pos > limit' (i.e. avail < 0).
+ // To simplify things, if we're dealing with the special case for
+ // readLine, just read the next char (since the fill method will
+ // skip the '\n' for us). By doing this, we'll have to back up pos.
+ // That's easier than trying to keep track of whether we've skipped
+ // one element or not.
+ if (pos > limit)
+ {
+ if (read() < 0)
+ return 0;
+ else
+ --pos;
+ }
+
+ int avail = limit - pos;
+
+ if (count < avail)
+ {
+ pos += count;
+ return count;
+ }
+
+ pos = limit;
+ long todo = count - avail;
+ if (todo > buffer.length)
+ {
+ markPos = -1;
+ todo -= in.skip(todo);
+ }
+ else
+ {
+ while (todo > 0)
+ {
+ avail = fill();
+ if (avail <= 0)
+ break;
+ if (avail > todo)
+ avail = (int) todo;
+ pos += avail;
+ todo -= avail;
+ }
+ }
+ return count - todo;
+ }
+ }
+
+ private void checkStatus() throws IOException
+ {
+ if (in == null)
+ throw new IOException("Stream closed");
+ }
+}
Added: trunk/core/src/classpath/java/java/io/BufferedWriter.java
===================================================================
--- trunk/core/src/classpath/java/java/io/BufferedWriter.java (rev 0)
+++ trunk/core/src/classpath/java/java/io/BufferedWriter.java 2006-12-12 21:09:56 UTC (rev 2896)
@@ -0,0 +1,262 @@
+/* BufferedWriter.java -- Buffer output into large blocks before writing
+ Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.io;
+
+/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
+ * "The Java Language Specification", ISBN 0-201-63451-1
+ * Status: Complete to version 1.1.
+ */
+
+/**
+ * This class accumulates chars written in a buffer instead of immediately
+ * writing the data to the underlying output sink. The chars are instead
+ * as one large block when the buffer is filled, or when the stream is
+ * closed or explicitly flushed. This mode operation can provide a more
+ * efficient mechanism for writing versus doing numerous small unbuffered
+ * writes.
+ *
+ * @author Aaron M. Renn (ar...@ur...)
+ * @author Tom Tromey (tr...@cy...)
+ * @date September 25, 1998
+ */
+public class BufferedWriter extends Writer
+{
+ /**
+ * This is the default buffer size
+ */
+ private static final int DEFAULT_BUFFER_SIZE = 8192;
+
+ /**
+ * This is the underlying <code>Writer</code> to which this object
+ * sends its output.
+ */
+ private Writer out;
+
+ /**
+ * This is the internal char array used for buffering output before
+ * writing it.
+ */
+ char[] buffer;
+
+ /**
+ * This is the number of chars that are currently in the buffer and
+ * are waiting to be written to the underlying stream. It always points to
+ * the index into the buffer where the next char of data will be stored
+ */
+ int count;
+
+ /**
+ * This method initializes a new <code>BufferedWriter</code> instance
+ * that will write to the specified subordinate <code>Writer</code>
+ * and which will use a default buffer size of 8192 chars.
+ *
+ * @param out The underlying <code>Writer</code> to write data to
+ */
+ public BufferedWriter (Writer out)
+ {
+ this (out, DEFAULT_BUFFER_SIZE);
+ }
+
+ /**
+ * This method initializes a new <code>BufferedWriter</code> instance
+ * that will write to the specified subordinate <code>Writer</code>
+ * and which will use the specified buffer size
+ *
+ * @param out The underlying <code>Writer</code> to write data to
+ * @param size The size of the internal buffer
+ */
+ public BufferedWriter (Writer out, int size)
+ {
+ super(out.lock);
+ this.out = out;
+ this.buffer = new char[size];
+ this.count = 0;
+ }
+
+ /**
+ * This method flushes any remaining buffered chars then closes the
+ * underlying output stream. Any further attempts to write to this stream
+ * may throw an exception
+ *
+ * @exception IOException If an error occurs.
+ */
+ public void close () throws IOException
+ {
+ synchronized (lock)
+ {
+ // It is safe to call localFlush even if the stream is already
+ // closed.
+ localFlush ();
+ out.close();
+ buffer = null;
+ }
+ }
+
+ /**
+ * This method causes any currently buffered chars to be immediately
+ * written to the underlying output stream.
+ *
+ * @exception IOException If an error occurs
+ */
+ public void flush () throws IOException
+ {
+ synchronized (lock)
+ {
+ if (buffer == null)
+ throw new IOException ("Stream closed");
+ localFlush ();
+ out.flush();
+ }
+ }
+
+ /**
+ * This method writes out a system depedent line separator sequence. The
+ * actual value written is detemined from the <xmp>line.separator</xmp>
+ * system property.
+ *
+ * @exception IOException If an error occurs
+ */
+ public void newLine () throws IOException
+ {
+ write (System.getProperty("line.separator"));
+ }
+
+ /**
+ * This method writes a single char of data. This will be written to the
+ * buffer instead of the underlying data source. However, if the buffer
+ * is filled as a result of this write request, it will be flushed to the
+ * underlying output stream.
+ *
+ * @param oneChar The char of data to be written, passed as an int
+ *
+ * @exception IOException If an error occurs
+ */
+ public void write (int oneChar) throws IOException
+ {
+ synchronized (lock)
+ {
+ if (buffer == null)
+ throw new IOException ("Stream closed");
+ buffer[count++] = (char) oneChar;
+ if (count == buffer.length)
+ localFlush ();
+ }
+ }
+
+ /**
+ * This method writes <code>len</code> chars from the char array
+ * <code>buf</code> starting at position <code>offset</code> in the buffer.
+ * These chars will be written to the internal buffer. However, if this
+ * write operation fills the buffer, the buffer will be flushed to the
+ * underlying output stream.
+ *
+ * @param buf The array of chars to write.
+ * @param offset The index into the char array to start writing from.
+ * @param len The number of chars to write.
+ *
+ * @exception IOException If an error occurs
+ */
+ public void write (char[] buf, int offset, int len) throws IOException
+ {
+ synchronized (lock)
+ {
+ if (buffer == null)
+ throw new IOException ("Stream closed");
+
+ // Bypass buffering if there is too much incoming data.
+ if (count + len > buffer.length)
+ {
+ localFlush ();
+ out.write(buf, offset, len);
+ }
+ else
+ {
+ System.arraycopy(buf, offset, buffer, count, len);
+ count += len;
+ if (count == buffer.length)
+ localFlush ();
+ }
+ }
+ }
+
+ /**
+ * This method writes <code>len</code> chars from the <code>String</code>
+ * <code>str</code> starting at position <code>offset</code> in the string.
+ * These chars will be written to the internal buffer. However, if this
+ * write operation fills the buffer, the buffer will be flushed to the
+ * underlying output stream.
+ *
+ * @param str The <code>String</code> to write.
+ * @param offset The index into the string to start writing from.
+ * @param len The number of chars to write.
+ *
+ * @exception IOException If an error occurs
+ */
+ public void write (String str, int offset, int len) throws IOException
+ {
+ synchronized (lock)
+ {
+ if (buffer == null)
+ throw new IOException ("Stream closed");
+
+ if (count + len > buffer.length)
+ {
+ localFlush ();
+ out.write(str, offset, len);
+ }
+ else
+ {
+ str.getChars(offset, offset + len, buffer, count);
+ count += len;
+ if (count == buffer.length)
+ localFlush ();
+ }
+ }
+ }
+
+ // This should only be called with the lock held.
+ private void localFlush () throws IOException
+ {
+ if (count > 0)
+ {
+ out.write(buffer, 0, count);
+ count = 0;
+ }
+ }
+}
Added: trunk/core/src/classpath/java/java/io/ByteArrayInputStream.java
===================================================================
--- trunk/core/src/classpath/java/java/io/ByteArrayInputStream.java (rev 0)
+++ trunk/core/src/classpath/java/java/io/ByteArrayInputStream.java 2006-12-12 21:09:56 UTC (rev 2896)
@@ -0,0 +1,251 @@
+/* ByteArrayInputStream.java -- Read an array as a stream
+ Copyright (C) 1998, 1999, 2001, 2005 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.io;
+
+/**
+ * This class permits an array of bytes to be read as an input stream.
+ *
+ * @author Warren Levy (wa...@cy...)
+ * @author Aaron M. Renn (ar...@ur...)
+ */
+public class ByteArrayInputStream extends InputStream
+{
+ /**
+ * The array that contains the data supplied during read operations
+ */
+ protected byte[] buf;
+
+ /**
+ * The array index of the next byte to be read from the buffer
+ * <code>buf</code>
+ */
+ protected int pos;
+
+ /**
+ * The currently marked position in the stream. This defaults to 0, so a
+ * reset operation on the stream resets it to read from array index 0 in
+ * the buffer - even if the stream was initially created with an offset
+ * greater than 0
+ */
+ protected int mark;
+
+ /**
+ * This indicates the maximum number of bytes that can be read from this
+ * stream. It is the array index of the position after the last valid
+ * byte in the buffer <code>buf</code>
+ */
+ protected int count;
+
+ /**
+ * Create a new ByteArrayInputStream that will read bytes from the passed
+ * in byte array. This stream will read from the beginning to the end
+ * of the array. It is identical to calling an overloaded constructor
+ * as <code>ByteArrayInputStream(buf, 0, buf.length)</code>.
+ * <p>
+ * Note that this array is not copied. If its contents are changed
+ * while this stream is being read, those changes will be reflected in the
+ * bytes supplied to the reader. Please use caution in changing the
+ * contents of the buffer while this stream is open.
+ *
+ * @param buffer The byte array buffer this stream will read from.
+ */
+ public ByteArrayInputStream(byte[] buffer)
+ {
+ this(buffer, 0, buffer.length);
+ }
+
+ /**
+ * Create a new ByteArrayInputStream that will read bytes from the
+ * passed in byte array. This stream will read from position
+ * <code>offset</code> in the array for a length of
+ * <code>length</code> bytes past <code>offset</code>. If the
+ * stream is reset to a position before <code>offset</code> then
+ * more than <code>length</code> bytes can be read from the stream.
+ * The <code>length</code> value should be viewed as the array index
+ * one greater than the last position in the buffer to read.
+ * <p>
+ * Note that this array is not copied. If its contents are changed
+ * while this stream is being read, those changes will be reflected in the
+ * bytes supplied to the reader. Please use caution in changing the
+ * contents of the buffer while this stream is open.
+ *
+ * @param buffer The byte array buffer this stream will read from.
+ * @param offset The index into the buffer to start reading bytes from
+ * @param length The number of bytes to read from the buffer
+ */
+ public ByteArrayInputStream(byte[] buffer, int offset, int length)
+ {
+ if (offset < 0 || length < 0 || offset > buffer.length)
+ throw new IllegalArgumentException();
+
+ buf = buffer;
+
+ count = offset + length;
+ if (count > buf.length)
+ count = buf.length;
+
+ pos = offset;
+ mark = pos;
+ }
+
+ /**
+ * This method returns the number of bytes available to be read from this
+ * stream. The value returned will be equal to <code>count - pos</code>.
+ *
+ * @return The number of bytes that can be read from this stream
+ * before blocking, which is all of them
+ */
+ public synchronized int available()
+ {
+ return count - pos;
+ }
+
+ /**
+ * This method sets the mark position in this stream to the current
+ * position. Note that the <code>readlimit</code> parameter in this
+ * method does nothing as this stream is always capable of
+ * remembering all the bytes int it.
+ * <p>
+ * Note that in this class the mark position is set by default to
+ * position 0 in the stream. This is in constrast to some other
+ * stream types where there is no default mark position.
+ *
+ * @param readLimit The number of bytes this stream must remember.
+ * This parameter is ignored.
+ */
+ public synchronized void mark(int readLimit)
+ {
+ // readLimit is ignored per Java Class Lib. book, p.220.
+ mark = pos;
+ }
+
+ /**
+ * This method overrides the <code>markSupported</code> method in
+ * <code>InputStream</code> in order to return <code>true</code> -
+ * indicating that this stream class supports mark/reset
+ * functionality.
+ *
+ * @return <code>true</code> to indicate that this class supports
+ * mark/reset.
+ */
+ public boolean markSupported()
+ {
+ return true;
+ }
+
+ /**
+ * This method reads one byte from the stream. The <code>pos</code>
+ * counter is advanced to the next byte to be read. The byte read is
+ * returned as an int in the range of 0-255. If the stream position
+ * is already at the end of the buffer, no by...
[truncated message content] |
|
From: <Qa...@us...> - 2006-12-12 07:47:46
|
Revision: 2895
http://jnode.svn.sourceforge.net/jnode/?rev=2895&view=rev
Author: QaDeS
Date: 2006-12-11 23:47:44 -0800 (Mon, 11 Dec 2006)
Log Message:
-----------
inverted mouse wheel scrolling
Modified Paths:
--------------
trunk/core/src/driver/org/jnode/driver/console/textscreen/ScrollableTextScreenConsole.java
Modified: trunk/core/src/driver/org/jnode/driver/console/textscreen/ScrollableTextScreenConsole.java
===================================================================
--- trunk/core/src/driver/org/jnode/driver/console/textscreen/ScrollableTextScreenConsole.java 2006-12-10 22:12:03 UTC (rev 2894)
+++ trunk/core/src/driver/org/jnode/driver/console/textscreen/ScrollableTextScreenConsole.java 2006-12-12 07:47:44 UTC (rev 2895)
@@ -103,9 +103,9 @@
if (isFocused() && (event.getZ() != 0)) {
final int z = event.getZ();
if (z < 0) {
+ scrollUp(Math.abs(z));
+ } else {
scrollDown(Math.abs(z));
- } else {
- scrollUp(Math.abs(z));
}
event.consume();
}
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