package chat;

import java.io.IOException;
import java.net.Socket;
import java.net.UnknownHostException;

import javax.swing.JOptionPane;

public class Client {

	public static void main(String[] args) {	
		int port = 0;
		
		while(port < 1024 || port > 49151) {
			String response = JOptionPane.showInputDialog("Enter port: ");
			try {
				port = Integer.parseInt(response);
			}
			catch(NumberFormatException e) {				
			}

			if(port < 1024 || port > 49151)
				JOptionPane.showMessageDialog(null, "Invalid port number entered.", "Invalid Port!", JOptionPane.ERROR_MESSAGE);
		}
				
		Socket socket = null;
		
		while(socket == null) {		
			String address = JOptionPane.showInputDialog("Enter IP address: ");
			try {
				socket = new Socket(address, port);
			} catch (IOException e) {
				JOptionPane.showMessageDialog(null, "Invalid IP address or no server listening.", "Invalid Address!", JOptionPane.ERROR_MESSAGE);				
			}
		}
		
		new Communicator(socket);
	}
}