SocketServer.java DONE
2010-11-10 20:04:16

import java.io.*;
import java.net.*;

public class SocketServer {
	
	static String printAndInvert(String message) {
		System.out.println(message);
		String r = "";
		for(int i=message.length(); i>0; i--) {
			r += message.charAt(i-1);	
		}		
		return r;
	}

	public static void main(String[] args) {		
		try {
			System.out.println("[SERVER] Starting");
			ServerSocket serverSocket = new ServerSocket(7423);
			Socket connectionSocket = null;
			PrintWriter out = null;
			BufferedReader in = null;
			String input = null;
			do {
				System.out.println("[SERVER] Accepting new requests");
				connectionSocket = serverSocket.accept();			
				out = new PrintWriter(connectionSocket.getOutputStream(), true);
				in = new BufferedReader(new InputStreamReader(connectionSocket.getInputStream()));
				input = in.readLine();
				System.out.print("[SERVER] Received: ");
				out.println(printAndInvert(input));
			} while(!input.equals("bye!"));
			in.close();
			out.close();
			connectionSocket.close();
			serverSocket.close();
			System.out.println("[SERVER] Closing");
		} catch(IOException e) {
			System.err.println("[SERVER] Error: " +  e.toString());
			// e.printStackTrace();
			System.exit(1);		
		}	
	}	
	
}