mydatagrampacket.java

JAVA网络编程技术内幕一书的源代码

/*
 * Java Network Programming, Second Edition
 * Merlin Hughes, Michael Shoffner, Derek Hamner
 * Manning Publications Company; ISBN 188477749X
 *
 * http://nitric.com/jnp/
 *
 * Copyright (c) 1997-1999 Merlin Hughes, Michael Shoffner, Derek Hamner;
 * all rights reserved; see license.txt for details.
 */

import java.io.*;
import java.net.*;

public class MyDatagramPacket implements Serializable {
  private byte[] data;
  private int length, port;
  private InetAddress address;
  
  MyDatagramPacket (DatagramPacket packet) {
    data = packet.getData ();
    length = packet.getLength ();
    address = packet.getAddress ();
    port = packet.getPort ();
  }
  
  DatagramPacket toDatagramPacket () {
    return new DatagramPacket (data, length, address, port);
  }
}