[Japi-cvs] SF.net SVN: japi: [211] libs/argparser/trunk/src/net/sf/japi/io/args

[<chr...@us...>]

Revision: 211
          http://svn.sourceforge.net/japi/?rev=211&view=rev
Author:   christianhujer
Date:     2006-11-26 07:40:25 -0800 (Sun, 26 Nov 2006)

Log Message:
-----------
Started with converter registry, added string converter.

Modified Paths:
--------------
    libs/argparser/trunk/src/net/sf/japi/io/args/ArgParser.java

Added Paths:
-----------
    libs/argparser/trunk/src/net/sf/japi/io/args/converter/ConverterRegistry.java
    libs/argparser/trunk/src/net/sf/japi/io/args/converter/StringConverter.java

Modified: libs/argparser/trunk/src/net/sf/japi/io/args/ArgParser.java
===================================================================
--- libs/argparser/trunk/src/net/sf/japi/io/args/ArgParser.java	2006-11-26 15:38:11 UTC (rev 210)
+++ libs/argparser/trunk/src/net/sf/japi/io/args/ArgParser.java	2006-11-26 15:40:25 UTC (rev 211)
@@ -24,6 +24,7 @@
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.util.*;
+import java.io.Closeable;
 
 /**
  * Parser for command line arguments.
@@ -52,6 +53,9 @@
     /** The currently used option. */
     private String currentOption;
 
+    /** The list of opened streams. */
+    private final List<Closeable> openedStreams = new ArrayList<Closeable>();
+
     /**
      * Create a new ArgParser.
      * This ArgParser uses {@link System#in}, {@link System#out} and {@link System#err}.

Added: libs/argparser/trunk/src/net/sf/japi/io/args/converter/ConverterRegistry.java
===================================================================
--- libs/argparser/trunk/src/net/sf/japi/io/args/converter/ConverterRegistry.java	                        (rev 0)
+++ libs/argparser/trunk/src/net/sf/japi/io/args/converter/ConverterRegistry.java	2006-11-26 15:40:25 UTC (rev 211)
@@ -0,0 +1,83 @@
+package net.sf.japi.io.args.converter;
+
+import java.util.Map;
+import java.util.HashMap;
+import java.util.Enumeration;
+import java.net.URL;
+import java.io.IOException;
+
+/**
+ * Registry for Converters.
+ * @author <a href="mailto:ch...@ri...">Christian Hujer</a>
+ */
+public class ConverterRegistry {
+
+    /** Singleton instance. */
+    private static final ConverterRegistry instance = createSingletonInstance();
+
+    /** Map for converters. */
+    private final Map<Class<?>, Converter<?>> converters = new HashMap<Class<?>, Converter<?>>();
+
+    /**
+     * Creates a ConverterRegistry.
+     * Usually you want a shared global ConverterRegistry and use {@link #getInstance()} instead of creating your own ConverterRegistry instance.
+     * @see #getInstance()
+     */
+    public ConverterRegistry() {
+    }
+
+    /**
+     * Creates the global shared instance of ConverterRegistry.
+     * @return The global shared instance of ConverterRegistry.
+     */
+    private static ConverterRegistry createSingletonInstance() {
+        final ConverterRegistry instance = new ConverterRegistry();
+        try {
+            for (final Enumeration<URL> urls = ConverterRegistry.class.getClassLoader().getResources("META-INF/services/net.sf.japi.io.args.ConverterRegistry"); urls.hasMoreElements() ; ) {
+                final URL url = urls.nextElement();
+                // TODO
+            }
+        } catch (final IOException e) {
+            // TODO
+            e.printStackTrace();
+        }
+        return instance;
+    }
+
+    /**
+     * Returns the global shared instance of ConverterRegistry.
+     * @return The global shared instance of ConverterRegistry.
+     */
+    public static ConverterRegistry getInstance() {
+        return instance;
+    }
+
+    /**
+     * Get the Converter for a specific class.
+     * @param clazz Class to get Converter for.
+     * @return <code>null</code> if no suited converter was found.
+     */
+    public <T> Converter<T> getConverter(final Class<T> clazz) {
+        return (Converter<T>) converters.get(clazz);
+    }
+
+    /**
+     * Register a Converter for a specific class.
+     * @param clazz Class Class to register converter for
+     * @param converter Converter to register
+     */
+    public <T> void register(final Class<T> clazz, final Converter<T> converter) {
+        converters.put(clazz, converter);
+        for (Class<?> superClass = clazz; (superClass = superClass.getSuperclass()) != null;) {
+            if (!converters.containsKey(superClass)) {
+                converters.put(superClass, converter);
+            }
+        }
+        for (final Class<?> interf : clazz.getInterfaces()) {
+            if (!converters.containsKey(interf)) {
+                converters.put(interf, converter);
+            }
+        }
+    }
+
+} // class ConverterRegistry


Property changes on: libs/argparser/trunk/src/net/sf/japi/io/args/converter/ConverterRegistry.java
___________________________________________________________________
Name: svn:mime-type
   + text/plain
Name: svn:eol-style
   + LF

Added: libs/argparser/trunk/src/net/sf/japi/io/args/converter/StringConverter.java
===================================================================
--- libs/argparser/trunk/src/net/sf/japi/io/args/converter/StringConverter.java	                        (rev 0)
+++ libs/argparser/trunk/src/net/sf/japi/io/args/converter/StringConverter.java	2006-11-26 15:40:25 UTC (rev 211)
@@ -0,0 +1,14 @@
+package net.sf.japi.io.args.converter;
+
+/**
+ * Dummy Converter which "converts" a String into a String by simply returning it.
+ * @author <a href="mailto:ch...@ri...">Christian Hujer</a>
+ */
+public class StringConverter implements Converter<String> {
+
+    /** {@inheritDoc} */
+    public String convert(final String arg) throws Exception {
+        return arg;
+    }
+
+} // class StringConverter


Property changes on: libs/argparser/trunk/src/net/sf/japi/io/args/converter/StringConverter.java
___________________________________________________________________
Name: svn:mime-type
   + text/plain
Name: svn:eol-style
   + LF


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.