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.

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]));
	}
}

  

原文地址:https://www.cnblogs.com/rmsSpring/p/2944756.html