FileWriter.java: Merge with Classpath.

* java/io/FileWriter.java: Merge with Classpath.
	* java/io/FilterInputStream.java: Ditto.
	(mark): no longer synchronized
	(reset): Likewise
	* java/io/FilterOutputStream.java: Merge with Classpath.
	* java/io/FilterReader.java: Ditto.
	(mark): no longer synchronized
	(reset): Likewise
	* java/io/FilterWriter.java: Merge with Classpath.
	* java/io/Writer.java: Ditto.
	* java/lang/Compiler.java: Ditto.
	* java/lang/Process.java: Ditto.
	* java/lang/Void.java: Ditto.
	* java/net/ContentHandler.java: Ditto.
	* java/net/DatagramPacket.java: Ditto.
	* java/net/MulticastSocket.java: Merge comments with Classpath.

From-SVN: r45930

libjava/java/net/ContentHandler.java

@@ -1,29 +1,80 @@
-// ContentHandler.java - Superclass of classes that read from a URLConnection.
+/* ContentHandler.java -- Abstract class for handling content from URL's
+   Copyright (C) 1998, 1999 2000, 2001 Free Software Foundation, Inc.
 
-/* Copyright (C) 1999  Free Software Foundation
+This file is part of GNU Classpath.
 
-   This file is part of libgcj.
+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.
 
-This software is copyrighted work licensed under the terms of the
-Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
-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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
 
 package java.net;
 
 import java.io.IOException;
 
-/**
- * @author Warren Levy <warrenl@cygnus.com>
- * @date March 5, 1999.
- */
-
 /**
  * Written using on-line Java Platform 1.2 API Specification, as well
  * as "The Java Class Libraries", 2nd edition (Addison-Wesley, 1998).
  * Status:  Believed complete and correct.
  */
 
+/**
+  * This is an abstract class that is the superclass for classes that read
+  * objects from URL's.  Calling the <code>getContent()</code> method in the 
+  * <code>URL</code> class or the <code>URLConnection</code> class will cause 
+  * an instance of a subclass of <code>ContentHandler</code> to be created for 
+  * the MIME type of the object being downloaded from the URL.  Thus, this 
+  * class is seldom needed by applications/applets directly, but only 
+  * indirectly through methods in other classes.
+  *
+  * @author Aaron M. Renn (arenn@urbanophile.com)
+  * @author Warren Levy <warrenl@cygnus.com>
+  */
 public abstract class ContentHandler
 {
-  public abstract Object getContent(URLConnection urlc) throws IOException;
-}
+
+/*************************************************************************/
+
+/*
+ * Constructors
+ */
+
+/**
+  * Default, no-argument constructor.
+  */
+public ContentHandler() { }
+
+/*************************************************************************/
+
+/**
+  * This method reads from the <code>InputStream</code> of the passed in URL 
+  * connection and uses the data downloaded to create an <code>Object</code> 
+  * represening the content.  For example, if the URL is pointing to a GIF 
+  * file, this method might return an <code>Image</code> object.  This method 
+  * must be implemented by subclasses.
+  *
+  * @param urlc A <code>URLConnection</code> object to read data from.
+  *
+  * @return An object representing the data read
+  *
+  * @exception IOException If an error occurs
+  */
+public abstract Object getContent(URLConnection urlc) throws IOException;
+
+} // class ContentHandler