problème dans les Xsocket

Bonjour,
tt d'abord je voudrai préciser que je suis un nouveau dans le site et que maintenant je suis en période de Projet de fin d'étude "PFE"
Je voudrais savoir si kelkun pourra m'aider dans le Xsocket .
et voici un exemple de class de xsocket.
et merci d'avance.

Code:

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/*
 *  Copyright (c) xsocket.org, 2006-2008. All rights reserved.
 *
 *  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 2.1 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.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Please refer to the LGPL license at: http://www.gnu.org/copyleft/lesser.txt
 * The latest copy of this software may be found on http://www.xsocket.org/
 */
 
 
import java.io.*;
import java.nio.BufferUnderflowException;
import java.nio.ByteBuffer;
 
 
import org.xsocket.Execution;
import org.xsocket.MaxReadSizeExceededException;
import org.xsocket.connection.IConnectHandler;
import org.xsocket.connection.IDataHandler;
import org.xsocket.connection.INonBlockingConnection;
import org.xsocket.connection.IConnection.FlushMode;
 
 
 
/**
*
* @author grro@xsocket.org
*/
@Execution(Execution.NONTHREADED)
public final class EchoHandler implements IConnectHandler, IDataHandler {
 
	public static final String DELIMITER = "\r";
 
 
	public boolean onConnect(INonBlockingConnection connection) throws IOException, BufferUnderflowException, MaxReadSizeExceededException {
		connection.setFlushmode(FlushMode.ASYNC);
		return true;
	}
 
	public boolean onData(INonBlockingConnection connection) throws IOException, BufferUnderflowException {
		ByteBuffer[] buffer = connection.readByteBufferByDelimiter(DELIMITER, null, Integer.MAX_VALUE);
		connection.write(buffer);
		connection.write(DELIMITER);
		//System.out.print(".");
 
		return true;
	}
}

c'est quoi l'avantage des xsocket sur les socket de la librairie java?

les xsockets?? ça vous dis quelquechose??

Svp , est ce que quelqu'un peut m'aider dans les xsockets, svp.