[JBoss-dev] CVS update: jmx/src/main/org/jboss/mx/logging/file FileLogger.java FileLoggerFactory.java package.html

[Adrian B. <ej...@us...>]

  User: ejort   
  Date: 02/02/08 13:35:39

  Added:       src/main/org/jboss/mx/logging/file FileLogger.java
                        FileLoggerFactory.java package.html
  Log:
  Initial version of logging - might be over-engineered?
  
  Revision  Changes    Path
  1.1                  jmx/src/main/org/jboss/mx/logging/file/FileLogger.java
  
  Index: FileLogger.java
  ===================================================================
  /*
   * JBoss, the OpenSource J2EE webOS
   *
   * Distributable under LGPL license.
   * See terms of license at gnu.org.
   */
  
  package org.jboss.mx.logging.file;
  
  
  import java.io.FileNotFoundException;
  import java.io.FileOutputStream;
  import java.io.PrintStream;
  
  import java.security.AccessController;
  
  import org.jboss.mx.logging.Logger;
  import org.jboss.mx.logging.LoggerAdapterSupport;
  import org.jboss.mx.logging.LoggerPermission;
  
  /**
   * A file logger, the name is the fully qualifed file name.
   *
   * @author <a href="mailto:adr...@ha...">Adrian Brock</a>
   * @version $Revision: 1.1 $
   */
  public final class FileLogger
    extends LoggerAdapterSupport
  {
    // Constants -----------------------------------------------------
  
    // Attributes ----------------------------------------------------
  
    /**
     * The logging level
     */
    private int level = Logger.ALL;
  
    /**
     * The file name
     */
    private String fileName;
  
    /**
     * The print stream for the file
     */
    private PrintStream output;
  
    // Static --------------------------------------------------------
  
    // Constructors --------------------------------------------------
  
    /**
     * Construct a new FileLogger from the given file name
     * 
     * @param name the file name
     */
    public FileLogger(String name)
      throws FileNotFoundException
    {
      this(name, true);
    }
  
    /**
     * Construct a new FileLogger from the given file name
     * 
     * @param name the file name
     * @param append pass true to append to an existing file, false to
     *        create a new file
     */
    public FileLogger(String name, boolean append)
      throws FileNotFoundException
    {
      fileName = name;
      output = new PrintStream(new FileOutputStream(name, append), true);
    }
  
    // LoggerAdapter Implementation ----------------------------------
  
    public final String getName()
    {
      return fileName;
    }
  
    public final int getLevel()
    {
      return level;
    }
  
    public final void setLevel(int level)
      throws SecurityException
    {
      //TODO AccessController.checkPermission(new LoggerPermission("control"));
      this.level = level;
    }
  
    public final void log(int level, String message)
    {
      if (isEnabled(level) == false)
        return;
      doLog(level, message, null);
    }
  
    public final void log(int level, String message, Throwable throwable)
    {
      if (isEnabled(level) == false)
        return;
      doLog(level, message, throwable);
    }
  
    public final boolean isEnabled(int level)
    {
      return level <= this.level;
    }
  
    /**
     * This is a logger implementation.
     * 
     * @return this logger adapter.
     */
    public Object getUnderlyingLogger()
    {
      return this;
    }
  
    // Y Overrides ---------------------------------------------------
  
    // Protected -----------------------------------------------------
  
    // Package Private -----------------------------------------------
  
    // Private -------------------------------------------------------
  
    /**
     * Perform the actual logging to system error.
     *
     * @param level the logging level
     * @param message the message
     * @param throwable an error
     */
    private final void doLog(int level, String message, Throwable throwable)
    {
      synchronized(output)
      {
        if (level == Logger.FATAL)
          output.print("FATAL ");
        if (level == Logger.ERROR)
          output.print("ERROR ");
        if (level == Logger.WARN)
          output.print("WARN  ");
        if (level == Logger.INFO)
          output.print("INFO  ");
        if (level == Logger.DEBUG)
          output.print("DEBUG ");
        if (level == Logger.TRACE)
          output.print("TRACE ");
        output.println(message);
        if (throwable != null)
          throwable.printStackTrace(output);
      }
    }
  
    // Inner classes -------------------------------------------------
  }
  
  
  
  1.1                  jmx/src/main/org/jboss/mx/logging/file/FileLoggerFactory.java
  
  Index: FileLoggerFactory.java
  ===================================================================
  /*
   * JBoss, the OpenSource J2EE webOS
   *
   * Distributable under LGPL license.
   * See terms of license at gnu.org.
   */
  
  package org.jboss.mx.logging.file;
  
  import java.io.FileNotFoundException;
  
  import org.jboss.mx.logging.LoggerAdapter;
  import org.jboss.mx.logging.LoggerAdapterFactorySupport;
  
  /**
   * A file logger factory. The logger name is used as the file name.
   *
   * @see FileLogger
   *
   * @author <a href="mailto:adr...@ha...">Adrian Brock</a>
   * @version $Revision: 1.1 $
   */
  public final class FileLoggerFactory
    extends LoggerAdapterFactorySupport
  {
    // Constants -----------------------------------------------------
  
    // Attributes ----------------------------------------------------
  
    // Static --------------------------------------------------------
  
    // Constructors --------------------------------------------------
  
    // LoggerAdapterFactory Implementation --------------------------
  
    public final LoggerAdapter getLoggerAdapter(String name)
    {
      try
      {
        return new FileLogger(name);
      }
      catch (FileNotFoundException nfe)
      {
        throw new RuntimeException(nfe.toString());
      }
    }
  
    public final Class getLoggerAdapterClass()
    {
      return FileLogger.class;
    }
  
    // Y Overrides ---------------------------------------------------
  
    // Protected -----------------------------------------------------
  
    // Package Private -----------------------------------------------
  
    // Private -------------------------------------------------------
  
    // Inner classes -------------------------------------------------
  }
  
  
  
  1.1                  jmx/src/main/org/jboss/mx/logging/file/package.html
  
  Index: package.html
  ===================================================================
  <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
  <html>
    <head>
      <!--
  
      JBoss, the OpenSource J2EE webOS
  
      This library is free software; you can redistribute it and/or modify it   
      under the terms of the GNU Lesser General Public License as published     
      by the Free Software Foundation; either version 2 of the License, or      
      (at your option) any later version.                                       
                                                                                
      This library 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         
      Lesser General Public License for more details.                           
  
      -->
      <!-- $Id: package.html,v 1.1 2002/02/08 21:35:39 ejort Exp $ -->
    </head>
  
    <body bgcolor="white">
      <p><em>The JBossMX file logger</em>.
  
      <h2>Package Specification</h2>
      <ul>
        <li> A simple file logger that uses the logger name as the file name.
      </ul>
        
      <h2>Related Documentation</h2>
      <ul>
      </ul>
  
      <h2>Package Status</h2>
      <ul>
        <li><font color="red"><b>ALPHA</b></font>
      </ul>
  
      <!-- Put @see and @since tags down here. -->
  
    </body>
  </html>