/**

* Java. Level 2. Lesson 6

* Simple chat client

*

* @author Sergey Iryupin

* @version 0.1 dated Jan 16, 2018

*/

import java.net.Socket;

import java.io.PrintWriter;

import java.io.IOException;

import java.util.Scanner;

class SimpleClient {

final String SERVER_ADDR = "127.0.0.1"; // or "localhost"

final int SERVER_PORT = 2048;

final String CLIENT_PROMPT = "$ ";

final String CONNECT_TO_SERVER = "Connection to server established.";

final String CONNECT_CLOSED = "Connection closed.";

final String EXIT_COMMAND = "exit"; // command for exit

public static void main(String[] args) {

new SimpleClient();

}

SimpleClient() {

String message;

try (Socket socket = new Socket(SERVER_ADDR, SERVER_PORT);

PrintWriter writer = new PrintWriter(socket.getOutputStream());

Scanner scanner = new Scanner(System.in)) {

System.out.println(CONNECT_TO_SERVER);

do {

System.out.print(CLIENT_PROMPT);

message = scanner.nextLine();

writer.println(message);

writer.flush();

} while (!message.equals(EXIT_COMMAND));

} catch (IOException ex) {

System.out.println(ex.getMessage());

}

System.out.println(CONNECT_CLOSED);

}

}