exdatagramserver.java

J2ME手机游戏开发技术详解随书光盘

package exframework;

import javax.microedition.io.DatagramConnection;

/**
 * <p>Title: ExFramework</p>
 *
 * <p>Description: lizhenpeng</p>
 *
 * <p>Copyright: Copyright (c) 2005</p>
 *
 * <p>Company: LP&P</p>
 *
 * @author lipeng
 * @version 1.0
 */
import javax.microedition.io.*;
public class ExDatagramServer implements AllAction
{
  DatagramConnection conn;
  public ExDatagramServer()
  {
  }
  public void allAction(MainForm form)
  {
    try
    {
      conn=(DatagramConnection)Connector.open("datagram://:8070");
      Datagram dg=conn.newDatagram(1);
      conn.receive(dg);
      byte[] buffer;
      buffer=dg.getData();
      form.addline(dg.getAddress());
      form.addline(String.valueOf(buffer[0]));
      ++buffer[0];
      dg.setData(buffer,0,buffer.length);
      conn.send(dg);
    }
    catch(Exception e)
    {
      System.out.print(e);
    }
  }
}