package echoserverthread;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;

public class EchoServer {

	ServerSocket servsock;

	public EchoServer() {
		try {	
			servsock = new ServerSocket(20000);
			while (true) {
					new ClientWorker(servsock.accept()).start();
			}
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		EchoServer serv = new EchoServer();
		try {
			serv.servsock.close();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
}

class ClientWorker extends Thread {
	Socket socket;
	BufferedReader in;
	PrintWriter out;

	public ClientWorker(Socket socket) {
		super();
		this.socket = socket;
		try {
			in = new BufferedReader(new InputStreamReader(socket
					.getInputStream()));
			out = new PrintWriter(socket.getOutputStream(), true);
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

	@Override
	public void run() {
		super.run();
		while (true) {
			String req;
			try {
				req = in.readLine();
				out.println(req);
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
	}
}