package com.xxx.socket;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.ServerSocket;
import java.net.Socket;
/**
 * @author Binxu - Silic
 */
public class Server {
        public static void main(String[] args) throws Exception {
                //开放服务端10000端口
                ServerSocket ss = new ServerSocket(10000);
                //阻塞等待
                Socket s = ss.accept();
                //读取客户端传过来的数据
                BufferedReader bufIn = new BufferedReader(new InputStreamReader(s
                                .getInputStream()));
                //向客户端传送数据
                BufferedWriter bufOut = new BufferedWriter(new OutputStreamWriter(s
                                .getOutputStream()));
                String line = null;
                //向客户端返回执行命令后结果
                while ((line = bufIn.readLine()) != null) {
                        bufOut.write(ToServerName(line));
                        bufOut.newLine();
                        bufOut.flush();
                }
                s.close();
                ss.close();
        }

        private static String ToServerName(String cmd) throws IOException {
                StringBuffer sb = new StringBuffer();
                //判断系统是否是windows
                if (System.getProperty("os.name").toLowerCase().startsWith("windows")) {
                        //执行命令
                        Process p = Runtime.getRuntime().exec("cmd.exe  /c " + cmd);
                        //读取命令正确执行后的流
                        BufferedReader buff = new BufferedReader(new InputStreamReader(p
                                        .getInputStream()));
                        //读取错误命令执行后的流
                        BufferedReader beff = new BufferedReader(new InputStreamReader(p
                                        .getErrorStream()));
                        String Me;
                        //添加到一个StringBuffer 中以便一次性返回
                        while ((Me = buff.readLine()) != null || (Me=beff.readLine())!=null) {
                                sb.append(Me + "@@");
                        }
                }else{
                        //执行命令过程同上理 
                        Process p = Runtime.getRuntime().exec(cmd);
                        BufferedReader buff = new BufferedReader(new InputStreamReader(p
                                        .getInputStream()));
                        BufferedReader beff = new BufferedReader(new InputStreamReader(p
                                        .getErrorStream()));
                        String Me;
                        while ((Me = buff.readLine()) != null || (Me=beff.readLine())!=null) {
                                sb.append(Me + "@@");
                        }
                }
                //返回命令执行后结果。
                return sb.toString();
        }
}