BIO案例

1，BioServer.java 

package com.forezp.util.io.bio.service;

import javafx.scene.chart.Chart;

import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.nio.charset.Charset;

/****
 * Bio服务端
 */
public class BioServer extends Thread{
    private ServerSocket serverSocket = null;

    public static void main(String[] args) {
        BioServer server=new BioServer();
        server.start();
    }

    public void run(){
        try {
            serverSocket=new ServerSocket();
            serverSocket.bind(new InetSocketAddress(6000));
            while (true){
                //获取通道
                Socket socket=serverSocket.accept();
                BioServerHandler handler=new BioServerHandler(socket, Charset.forName("utf-8"));
            }
        } catch (IOException e) {
            throw new RuntimeException(e);
        }

    }
}

2,BioServerHandler.java

package com.forezp.util.io.bio.service;

import com.forezp.util.io.bio.ChannelAdapter;
import com.forezp.util.io.bio.ChannelHandler;

import java.net.Socket;
import java.nio.charset.Charset;
import java.text.SimpleDateFormat;
import java.util.Date;

public class BioServerHandler extends ChannelAdapter {


    public BioServerHandler(Socket socket, Charset charset) {
        super(socket, charset);
    }
    // 链接通知
    @Override
    public void channelActive(ChannelHandler ctx) {
        System.out.println("LocalAddress:" + ctx.socket().getLocalAddress());
        ctx.writeAndFlush("hello world! BioServer to msg for you \r\n");
    }
    // 读取消息
    @Override
    public void channelRead(ChannelHandler ctx, Object msg) {
        System.out.println(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()) + " 接收到消息：" + msg);
        ctx.writeAndFlush("hi 服务端已经收到你的消息Success！\r\n");
    }
}

3,ChannelAdapter.java

package com.forezp.util.io.bio;


import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.Socket;
import java.nio.charset.Charset;

public abstract class ChannelAdapter extends Thread {
    private Socket socket;
    private ChannelHandler channelHandler;
    private Charset charset;

    public ChannelAdapter(Socket socket, Charset charset) {
        this.socket = socket;
        this.charset = charset;
        while (!socket.isConnected()) {
            break;
        }
        channelHandler = new ChannelHandler(this.socket, charset);
        channelActive(channelHandler);
    }


    @Override
    public void run() {
        try {
            BufferedReader input = new BufferedReader(new InputStreamReader(this.socket.getInputStream(), charset));
            String str = null;
            while ((str = input.readLine()) != null) {
                channelRead(channelHandler, str);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }



    // 链接通知抽象类
    public abstract void channelActive(ChannelHandler ctx);

    // 读取消息抽象类
    public abstract void channelRead(ChannelHandler ctx, Object msg);


}

4,ChannelHandler.java

package com.forezp.util.io.bio;

import java.io.IOException;
import java.io.OutputStream;
import java.net.Socket;
import java.nio.charset.Charset;

public class ChannelHandler {
    private Socket socket;
    private Charset charset;

    public ChannelHandler(Socket socket, Charset charset) {
        this.socket = socket;
        this.charset = charset;
    }

    //获取消息
    public void writeAndFlush(Object msg) {
        OutputStream out = null;
        try {
            out = socket.getOutputStream();
            out.write((msg.toString()).getBytes(charset));
            out.flush();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }


    public Socket socket() {
        return socket;
    }

}

5,BioClient.java

package com.forezp.util.io.bio.client;

import java.io.IOException;
import java.net.Socket;
import java.nio.charset.Charset;

public class BioClient {

    public static void main(String[] args) {
        try {
            Socket socket = new Socket("127.0.0.1", 6000);
            System.out.println(" bio client start done.");
            BioClientHandler bioClientHandler = new BioClientHandler(socket, Charset.forName("utf-8"));
            bioClientHandler.start();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

6,BioClientHandler.java

package com.forezp.util.io.bio.client;

import com.forezp.util.io.bio.ChannelAdapter;
import com.forezp.util.io.bio.ChannelHandler;

import java.net.Socket;
import java.nio.charset.Charset;
import java.text.SimpleDateFormat;
import java.util.Date;

public class BioClientHandler extends ChannelAdapter {
    public BioClientHandler(Socket socket, Charset charset) {
        super(socket, charset);
    }

    @Override
    public void channelActive(ChannelHandler ctx) {
        System.out.println("链接报告LocalAddress:" + ctx.socket().getLocalAddress());
        ctx.writeAndFlush("hi!  BioClient to msg for you \r\n");
    }

    @Override
    public void channelRead(ChannelHandler ctx, Object msg) {
        System.out.println(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()) + " 接收到消息：" + msg);
        ctx.writeAndFlush("hi 客户端已经收到你的消息Success！\r\n");
    }
}

运行服务端和客户端

 

netty框架学习之基础