DateServer.java Source code

Introduction

Here is the source code for DateServer.java

Source

import java.io.Console;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.text.MessageFormat;
import java.util.Date;
import java.util.Locale;

public class DateServer {
    public final static int PORT = 5000;

    private ServerSocket ss;

    public DateServer(int port) {
        try {
            ss = new ServerSocket(port);
        } catch (IOException ioe) {
            System.err.println("Unable to create server socket: " + ioe);
            System.exit(1);
        }
    }

    private void runServer() {
        Console console = System.console();
        Handler h = new Handler(ss);
        h.start();

        while (true) {
            String cmd = console.readLine(">");
            if (cmd == null)
                continue;
            if (cmd.equals("exit"))
                System.exit(0);
        }
    }

    public static void main(String[] args) {
        new DateServer(PORT).runServer();
    }
}

class Handler extends Thread {
    private ServerSocket ss;

    Handler(ServerSocket ss) {
        this.ss = ss;
    }

    public void run() {
        while (true) {
            try {
                Socket s = ss.accept();

                ObjectInputStream ois;
                ois = new ObjectInputStream(s.getInputStream());
                Locale l = (Locale) ois.readObject();

                PrintWriter pw;
                pw = new PrintWriter(s.getOutputStream());

                MessageFormat mf;
                mf = new MessageFormat("The date is {0, date, long}", l);

                Object[] args = { new Date() };

                pw.println(mf.format(args));

                pw.close();
            } catch (Exception e) {
                System.err.println(e);
            }
        }
    }
}