package test1;

import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.net.InetAddress;
import java.net.Socket;
import java.net.UnknownHostException;

import javax.swing.JOptionPane;

/**
 * 
 * @author Vallentin <vallentinsource@gmail.com>
 * @since April 8, 2012
 * 
 */

public class Client
{
	public static Socket socket;
	
	public static int port = 2406;
	public static String ip = "";
	
	
	
	public static void main(String[] args)
	{
		try
		{
			String local;
			
			try
			{
				local = InetAddress.getLocalHost().getHostAddress() + ":" + port;
			}
			catch (UnknownHostException ex)
			{
				local = "Network Error";
			}
			
			ip = (String) JOptionPane.showInputDialog(null, "IP: ", "Info", JOptionPane.INFORMATION_MESSAGE, null, null, local);
			
			port = Integer.parseInt(ip.substring(ip.indexOf(":") + 1));
			ip = ip.substring(0, ip.indexOf(":"));
			
			socket = new Socket(ip, port);
			
			String username = System.getProperty("user.name");
			username = (String) JOptionPane.showInputDialog(null, "Username: ", "Info", JOptionPane.INFORMATION_MESSAGE, null, null, username);
			
			ObjectOutputStream oos = new ObjectOutputStream(socket.getOutputStream());
			oos.writeObject(username);
			
			ObjectInputStream ois = new ObjectInputStream(socket.getInputStream());
			String response = (String) ois.readObject();
			
			JOptionPane.showMessageDialog(null, response, "Message", JOptionPane.INFORMATION_MESSAGE);
		}
		catch (Exception ex)
		{
			JOptionPane.showMessageDialog(null, "Error: " + ex.getMessage(), "Alert", JOptionPane.ERROR_MESSAGE);
			System.exit(0);
		}
		
	}
}

package test1;

import java.io.Serializable;

/**
 * 
 * @author Vallentin <vallentinsource@gmail.com>
 * @since April 8, 2012
 * 
 */

public class DataPackage implements Serializable
{
	public float x = 0.0f;
	public float y = 0.0f;
	
	public String username = "";
	
	
}