loginthandler.java

精通Jboss——Ejb和Web Services开发精解的随书源代码

/**
 * LoginHandler.java Created on 2003-12-7
 *
 */
package com.liuyang.xmessenger.handler;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;

import com.liuyang.xmessenger.Actor;
import com.liuyang.xmessenger.Listener;
import com.liuyang.xmessenger.Messenger;
import com.liuyang.xmessenger.Status;
import com.liuyang.xmessenger.device.OutputDevice;
import com.liuyang.xmessenger.impl.JmsTransporter;

/**
 * @author liuyang
 *
 */
public class LogintHandler implements ActionListener {
	
	private Messenger messager;
	private OutputDevice textscreen;
	private Status status;	
	
	private JButton button;
	 
	public LogintHandler(Messenger mr,OutputDevice cs,JButton bt,Status ss){
		messager = mr;
		textscreen = cs;
		status = ss;
		button = bt;
	}
	/* (non-Javadoc)
	 * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
	 */
	public void actionPerformed(ActionEvent event) {
		if(!status.isStarted()){
			Actor actor = new Actor("liuyang","icecream");
			boolean result = false;
			if(event ==null )
				result = true;
			else 
				result = messager.authenticate(actor);
			if(result){
				Listener lster = messager.connect(new JmsTransporter());
				lster.setOutputDevice(textscreen);
				status.start();
				button.setText("注销");
				System.out.println("上线了");
			}						
		}else{
			messager.disconnect();
			status.shutdown();
			button.setText("登陆");
			System.out.println("关闭了");						
		}
	}

}