import java.net.ServerSocket;
import java.net.Socket;

import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.PrintWriter;
import java.io.IOException;


public class HelloServer {
    public static final int PORT = 2000;
    public static void main(String[] args) throws IOException {
        ServerSocket s = new ServerSocket(PORT);
        System.out.println("Servern: Lyssnar...");
        Socket socket = s.accept();
        System.out.println("Servern: Uppkoppling accepterad.");

        BufferedReader from_client = new BufferedReader(new InputStreamReader(socket.getInputStream()));
        PrintWriter to_client = new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream())), true);
        // true: PrintWriter is line buffered

        while (true) {
            String inline = from_client.readLine();
            System.out.println("Servern: Tog emot '" + inline + "'");
            // Not: inline == "quit"
            if (inline == null || inline.equals("quit"))
                break;
            to_client.println("HELLO, CLIENT! YOU SAID: " + inline);
        }
    } // main
} // HelloServer