使用Mina传输Java对象

package com.mina.model;

import java.io.Serializable;

/**
 * @see Mina传输的实体类，要求其实现Serializable接口
 */
@SuppressWarnings("serial")
public class UserInfo implements Serializable{
	private String name;
	
	public UserInfo(String name){
		this.name = name;
	}
	
	public String getName() {
		return name;
	}
}

package com.mina.server;

import java.io.IOException;
import java.net.InetSocketAddress;

import org.apache.mina.core.service.IoAcceptor;
import org.apache.mina.core.session.IdleStatus;
import org.apache.mina.filter.codec.ProtocolCodecFilter;
import org.apache.mina.filter.codec.serialization.ObjectSerializationCodecFactory;
import org.apache.mina.transport.socket.nio.NioSocketAcceptor;

public class MyServer {
	public static void main(String[] args) throws IOException {
		int bindPort = 9876;
		
		IoAcceptor acceptor = new NioSocketAcceptor();
		
		acceptor.getSessionConfig().setReadBufferSize(2048);
		acceptor.getSessionConfig().setIdleTime(IdleStatus.BOTH_IDLE, 10);
		
		//设定服务器解析消息的规则是以Object对象为单位进行传输，注意此时该对象需实现Serializable接口
		acceptor.getFilterChain().addLast("codec", new ProtocolCodecFilter(new ObjectSerializationCodecFactory()));
		
		acceptor.setHandler(new ServerHandler());
		
		acceptor.bind(new InetSocketAddress(bindPort));
		
		System.out.println("MinaServer is startup, and it`s listing on := " + bindPort);
	}
}

package com.mina.server;

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

import com.mina.model.UserInfo;

public class ServerHandler extends IoHandlerAdapter {
	@Override
	public void messageReceived(IoSession session, Object message) throws Exception {
		UserInfo ui = (UserInfo)message; //我们已设定了服务器解析消息的规则是以UserInfo对象为单位进行传输
		System.out.println("收到客户机发来的用户名：" + ui.getName());
		session.write(new UserInfo(ui.getName() + "==>>是个神秘的人"));
	}
	
	@Override
	public void sessionOpened(IoSession session) throws Exception{
		System.out.println("InComing Client：" + session.getRemoteAddress());
	}
}

package com.mina.client;

import java.net.InetSocketAddress;

import org.apache.mina.core.service.IoConnector;
import org.apache.mina.filter.codec.ProtocolCodecFilter;
import org.apache.mina.filter.codec.serialization.ObjectSerializationCodecFactory;
import org.apache.mina.transport.socket.nio.NioSocketConnector;

import com.mina.model.UserInfo;

public class MyClient {
	public static void main(String[] args) {
		IoConnector connector = new NioSocketConnector();
		
		connector.setConnectTimeoutMillis(30000);
		
		connector.getFilterChain().addLast("codec", new ProtocolCodecFilter(new ObjectSerializationCodecFactory()));
		
		connector.setHandler(new ClientHandler(new UserInfo("张起灵")));
		
		connector.connect(new InetSocketAddress("127.0.0.1", 9876));
	}
}

package com.mina.client;

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

import com.mina.model.UserInfo;

public class ClientHandler extends IoHandlerAdapter {
	private final UserInfo ui;
	
	public ClientHandler(UserInfo ui){
		this.ui = ui;
	}

	@Override
	public void sessionOpened(IoSession session) throws Exception {
		session.write(ui);
	}
	
	@Override
	public void messageReceived(IoSession session, Object message) throws Exception {
		UserInfo ui = (UserInfo)message;
		System.out.println("收到服务机发来的用户名：" + ui.getName());
	}

	@Override
	public void exceptionCaught(IoSession session, Throwable cause) throws Exception {
		System.out.println("与" + session.getRemoteAddress() + "通信过程中出现错误:[" + cause.getMessage() + "]..连接即将关闭....");
		session.close(false);
		session.getService().dispose();
	}
}