packetdecoder.java

银行项目为后台ｓｏｃｋｅｔ通信写的程序

/****************************************************************************
 * Package		: com.ecSolutions.ecAppServer.server
 * File			: PacketDecoder.java
 * Create Date  : 2007-7-20
 * Author		: Steven Chen
 * 
 * Copyright(C) 2006 ecSolutions(shanghai) Co.,Limited.All Rights Reserved.
 *			
 ***************************************************************************/

package com.ecSolutions.ecAppServer.server;

/**
 * Decode <code>Packet</code> to object.
 * 
 * @author Steven Chen
 * @version $Id: PacketDecoder.java,v 1.2 2007/07/26 04:10:42 stevenchen Exp $
 */
public interface PacketDecoder {

    /**
     * Decode packet to object. The content of the packet is readonly, and it's
     * position will not be changed if the method return null.
     * 
     * @param session
     *            session
     * @param packet
     *            packet
     * @return decoded object
     * @throws Exception
     *             any exception
     */
    Object decode(Session session, Packet packet) throws Exception;

}