udpconnecter.java

实现简单的通信功能,让自己掌握socket编程

package com.tarena.chat1;
import java.net.*;
public class UDPConnecter implements IConnecter {
	private String user;
	private String host;
	private ISender sender;
	private IReceiver receiver;
	private int port;
	public UDPConnecter(String host,int port,String user){
		this.user = user;
		this.host = host;
		this.port = port;
	}
	public boolean connect() {
		boolean status = true;
		InetAddress group = null;
		MulticastSocket ms = null;
		try {
			group = InetAddress.getByName(host);
			ms = new MulticastSocket(port);
			ms.joinGroup(group);
			sender = new UDPSender(ms, group, user);
			receiver = new UDPReceiver(ms);
		} catch (Exception e) {
			e.printStackTrace();
			status = false;
		}
		return status;
	}
	public ISender getSender() {
		return sender;
	}
	public IReceiver getReceiver() {
		return receiver;
	}
}