利用socket实现java程序自动关闭

今天发现一段有意思的程序,记录下来,娱乐自己.

1.实运行main方法时传两个参数   '应用命令'和'socket端口'

步骤1.启动java程序,参数(start 80890),启动serverSocket,启动线程,

步骤2.启动java程序,参数(shutdown 80890)启动socket客户端,推送字符串,服务端线程获取字符串,停止步骤2启动的程序,停止步骤1.启动的程序.

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import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.InputStreamReader;

import java.io.OutputStreamWriter;

import java.net.ServerSocket;

import java.net.Socket;

 

import com.boco.vip.framework.util.common.CollectionUtil;

 

public class SocketUsing {

    private static void controlServer(String appCommant,int port){

        try{

            Socket clientSock = new Socket("127.0.0.1",port);//创建socket客户端(客户端依赖服务端,服务端没有启动报异常)

            if(appCommant.trim().toLowerCase().equals("shutdown")){//判断应用命令是否为shutdown

                //创建输出流

                BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(clientSock.getOutputStream()));

                bw.write("shutdown/n");//向服务端传送"shutdown"

                bw.flush();

                bw.close();

                clientSock.close();

                System.exit(0);

            }else{

                System.exit(0);

            }

        }catch(Exception e){

            if(appCommant.trim().toLowerCase().equals("shutdown")){

                System.exit(0);

            }else{

                try{

                    final ServerSocket ss = new ServerSocket(port);

                    //匿名类,创建线程

                    new Thread(new Runnable(){

                        public void run(){

                            while(true){

                                try{

                                    BufferedReader br = null;

                                    try{

                                        //创建输入流

                                        br = new BufferedReader(new InputStreamReader(ss.accept().getInputStream()));

                                        String command = br.readLine();

                                        if(CollectionUtil.checkStringEmpty(command)&&"shutdown".equals(command)){

                                            System.exit(0);

                                        }

                                    }catch(Exception eee){

                                         

                                    }

                                }catch(Exception e){

                                     

                                }

                            }

                        }

                    }).start();

                }catch(Exception ee){

                     

                }

            }

             

             

             

        }

    }

     

    public static void main(String[] args){

        controlServer(args[0],Integer.parseInt(args[1]));

    }

}