mina推送场景小hello world demo

效果图如下：

服务器端代码：

import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.InetSocketAddress;
import java.nio.charset.Charset;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JTextField;

import org.apache.mina.core.session.IoSession;
import org.apache.mina.filter.codec.ProtocolCodecFilter;
import org.apache.mina.filter.codec.textline.TextLineCodecFactory;
import org.apache.mina.transport.socket.nio.NioSocketAcceptor;

public class MinaPushServer {

	private NioSocketAcceptor acceptor;
	private JTextField jTextField;

	public static void main(String[] args) {
		MinaPushServer minaPushServer = new MinaPushServer();
		minaPushServer.initServer();
		// minaPushServer.initConsole();
		minaPushServer.initJavaSwing();
	}

	public void initServer() {
		acceptor = new NioSocketAcceptor();
		// 添加我们的过滤器
		acceptor.getFilterChain().addLast("codec",
				new ProtocolCodecFilter(new TextLineCodecFactory(Charset.forName("UTF-8"))));
		// 添加处理器--目的：监听回话
		acceptor.setHandler(new ServerIOHandler());
		try {
			// 绑定端口
			acceptor.bind(new InetSocketAddress(9999));

		} catch (IOException e) {
			e.printStackTrace();
		}
	}


	// 2、Java Swing编程创建我们的窗体程序，给我们的客户端推送消息
	public void initJavaSwing() {
		// 创建一个窗体
		JFrame jFrame = new JFrame("推送服务器");
		// 设置窗体的大小
		jFrame.setSize(320, 200);
		// 设置平台位置
		jFrame.setLocationByPlatform(true);
		// 设置我们的窗体关闭的时候，应用程序结束
		jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		// 添加控件
		Container contentPane = jFrame.getContentPane();
		// 指定布局
		contentPane.setLayout(new FlowLayout());
		jTextField = new JTextField("这是一个关于推送的小测试，测试");
		jTextField.setBounds(0, 0, 200, 20);
		contentPane.add(jTextField);
		// 创建按钮
		JButton jButton = new JButton("推送消息");
		jButton.addMouseListener(new ServerMouseListener());
		
		JButton clearButton = new JButton("清空消息");
		clearButton.addMouseListener(new MouseAdapter(){
			@Override
			public void mouseClicked(MouseEvent arg0) {
				jTextField.setText("");
			}
		});

		jFrame.add(jButton);
		jFrame.add(clearButton);
		jFrame.setVisible(true);
	}

	class ServerMouseListener extends MouseAdapter {
		@Override
		public void mouseClicked(MouseEvent e) {
			// 当我们点击按钮的时候，推送一条消息
			String text = jTextField.getText();
			// 获取所有的回话
			Map sessions = acceptor.getManagedSessions();
			Set> entrySet = sessions.entrySet();
			for (Entry entry : entrySet) {
				// 发送推送消息
				IoSession ioSession = entry.getValue();
				ioSession.write(text);
			} 
		}
	}

}

import org.apache.mina.core.service.IoHandlerAdapter;
import org.apache.mina.core.session.IdleStatus;
import org.apache.mina.core.session.IoSession;

public class ServerIOHandler extends IoHandlerAdapter {

	private static final String TAG = ServerIOHandler.class.getSimpleName();

	@Override
	public void sessionCreated(IoSession session) throws Exception {
		System.out.println(TAG + "Server--回话创建--调用了sessionCreated方法");
	}

	@Override
	public void sessionOpened(IoSession session) throws Exception {
		System.out.println(TAG + "Server--回话打开--调用了sessionOpened方法");
	}

	@Override
	public void sessionClosed(IoSession session) throws Exception {
		System.out.println(TAG + "Server--回话关闭--调用了sessionOpened方法");
	}

	@Override
	public void sessionIdle(IoSession session, IdleStatus status) throws Exception {
		System.out.println(TAG + "Server--回话闲置--调用了sessionOpened方法");
	}

	@Override
	public void exceptionCaught(IoSession session, Throwable cause) throws Exception {
		System.out.println(TAG + "Server--抓取异常--调用了exceptionCaught方法");
	}

	@Override
	public void messageReceived(IoSession session, Object message) throws Exception {
		System.out.println(TAG + "Server--接收消息--调用了messageReceived方法" + "   message:" + message);
	}

	@Override
	public void messageSent(IoSession session, Object message) throws Exception {
		System.out.println(TAG + "Server--发送消息--调用了messageSent方法");
	}

	@Override
	public void inputClosed(IoSession session) throws Exception {
		System.out.println(TAG + "Server--关闭输入流--调用了inputClosed方法");
	}

}

客户端代码：

import java.net.InetSocketAddress;
import java.nio.charset.Charset;

import org.apache.mina.filter.codec.ProtocolCodecFilter;
import org.apache.mina.filter.codec.textline.TextLineCodecFactory;
import org.apache.mina.transport.socket.nio.NioSocketConnector;

public class MinaPushClient {

	public static void main(String[] args) {
		// 在我们的客户端创建连接器
		NioSocketConnector connector = new NioSocketConnector();
		// 添加过滤器
		connector.getFilterChain().addLast("codec",
				new ProtocolCodecFilter(new TextLineCodecFactory(Charset.forName("UTF-8"))));
		// 添加处理器
		connector.setHandler(new ClientIOHandler());
		// 绑定服务器
		connector.connect(new InetSocketAddress("127.0.0.1", 9999));
	}

}

import java.awt.Container;
import java.awt.FlowLayout;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JTextField;

import org.apache.mina.core.service.IoHandlerAdapter;
import org.apache.mina.core.session.IdleStatus;
import org.apache.mina.core.session.IoSession; 

public class ClientIOHandler extends IoHandlerAdapter {

	private static final String TAG = ClientIOHandler.class.getSimpleName();
	private JTextField jTextField;
    
	public ClientIOHandler(){
		System.out.println("=== init ===");
		initJavaSwing();
	}
	public void initJavaSwing() {
		// 创建一个窗体
		JFrame jFrame = new JFrame("推送接收端");
		// 设置窗体的大小
		jFrame.setSize(320, 200);
		// 设置平台位置
		jFrame.setLocationByPlatform(true);
		// 设置我们的窗体关闭的时候，应用程序结束
		jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		// 添加控件
		Container contentPane = jFrame.getContentPane();
		// 指定布局
		contentPane.setLayout(new FlowLayout());
		jTextField = new JTextField("等待接收消息                                                   ");
		jTextField.setBounds(0, 0, 200, 20);
		contentPane.add(jTextField);  
		jFrame.setVisible(true);
	}
	@Override
	public void sessionCreated(IoSession session) throws Exception {
		System.out.println(TAG + "回话创建--调用了sessionCreated方法");
	}

	@Override
	public void sessionOpened(IoSession session) throws Exception {
		System.out.println(TAG + "回话打开--调用了sessionOpened方法");
	}

	@Override
	public void sessionClosed(IoSession session) throws Exception {
		System.out.println(TAG + "回话关闭--调用了sessionOpened方法");
	}

	@Override
	public void sessionIdle(IoSession session, IdleStatus status) throws Exception {
		System.out.println(TAG + "回话闲置--调用了sessionOpened方法");
	}

	@Override
	public void exceptionCaught(IoSession session, Throwable cause) throws Exception {
		System.out.println(TAG + "抓取异常--调用了exceptionCaught方法");
	}

	@Override
	public void messageReceived(IoSession session, Object message) throws Exception {
		System.out.println(TAG + "接收消息--调用了messageReceived方法" + "   message:" + message);
		jTextField.setText(message.toString());
	}

	@Override
	public void messageSent(IoSession session, Object message) throws Exception {
		System.out.println(TAG + "发送消息--调用了messageSent方法");
	}

	@Override
	public void inputClosed(IoSession session) throws Exception {
		System.out.println(TAG + "关闭输入流--调用了inputClosed方法");
	}

}