import java.awt.*;
 import javax.swing.*;
 import java.io.*;
 import java.net.*;
 import java.awt.event.*;
 import javax.swing.border.*;
 import java.util.*;
 
 public class Client extends JFrame implements ActionListener 
 {
 	Socket sock;
 	JTextField say;
 	JTextArea chat;
 	Container cp = getContentPane();
 	ObjectInputStream recieve;
 	ObjectOutputStream send;
 	JTextArea users;
 	JMenu file;
 	JMenu prefs;
 	JMenuItem exit;
 	JMenuItem preferences;
 	static String userName;
 	static String key;
 	static String IP;
 	static Client c;
 	public Client()
 	{
 		file = new JMenu("File");
 		prefs = new JMenu("Preferences");
 		exit = new JMenuItem("Exit");
 		file.add(exit);
 		preferences = new JMenuItem("Set Preferences");	
 		prefs.add(preferences);
 		JMenuBar toolbar = new JMenuBar();
 		toolbar.add(file);
 		toolbar.add(prefs);
 		setJMenuBar(toolbar);
 		setSize(640, 480);
 		chat = new JTextArea("Connecting to server . . .", 28, 43);
 		say = new JTextField();
 		users = new JTextArea(28, 14);
 		users.setEditable(false);
 		users.setBorder(new EtchedBorder(Color.RED, Color.BLUE));
 		chat.setEditable(false);
 		cp.add(BorderLayout.EAST, users);
 		cp.add(BorderLayout.SOUTH, say);
 		cp.add(BorderLayout.WEST, chat);
 		say.addActionListener(this);
 		exit.addActionListener(this);
 		preferences.addActionListener(this);
 		chat.setBackground(new Color(255, 255, 128));
 		users.setBackground(Color.BLACK);
 		setVisible(true);
 		
 	}
 	
 	public void connect()
 	{
 		setVisible(true);
 		System.out.println("boo")	;
 		try
 		{
 			sock = new Socket("127.0.0.1", 6665);
 			recieve = new ObjectInputStream(sock.getInputStream());
 			send = new ObjectOutputStream(sock.getOutputStream());
 		}
 		catch(UnknownHostException e)
 		{
 			chat.append("\nHost not found");
 		}
 		catch(IOException e)
 		{
 			chat.append("\nServer not responsive");
 		}
 		
 		if(sock!=null)
 		{
 			chat.append("\nConnected");
 			chat.setFont(new Font("p", Font.PLAIN, 12));
 			talk();
 		}
 	}
 	
 	public void actionPerformed(ActionEvent e)
 	{
 		if(e.getSource() == say)
 		{
 			if(key==null)	
 			{
 				Prefs p = new Prefs();
 			}
 			else
 			{
 				String temp = say.getText();
 				say.setText("");
 				chat.append("\n" + temp);
 				try
 				{
 					send.writeObject(temp);
 				}		
 				catch(IOException i)
 				{
 		    		System.out.println("Couldn't send");
 				}
 		    }		    	
 		}
 		if(e.getSource() == exit)
 		{
 			dispose();
 		}
 		if(e.getSource() == preferences)
 		{
 			Prefs p = new Prefs();
 		}
 	}
 	
 	public void talk()
 	{
 		while(true)
 		{
 			String temp=" ";
 			try
 			{
 				temp = (String)recieve.readObject();
 			}
 			catch(IOException e)
 			{
 				System.out.println("Could not read from sock");
 			}
 			catch(ClassNotFoundException e)
 			{
 				System.out.println("Class not found");
 			}
 			chat.append("\n" + temp);
 		}
 	}
 	
 	public String encrypt(String mkey, String msg)
 	{
 		int binaryKey = Integer.parseInt(mkey, 2);
 		char [] tempMsg = msg.toCharArray();
 		for(int i = 0; i<tempMsg.length; i++)
 		{
 			tempMsg[i] ^= binaryKey;
 		}
 		return new String(tempMsg);
 	}
 	
 	
 	public static void main(String [] args)
 	{
 		c = new Client();
 		
 	}
 	
 	public void setEncryptionKeyAndUserName(String t_key, String t_userName, String t_IP)
 	{
 		key = t_key;
 		userName = t_userName;
 		IP = t_IP;
 		connect();
 	}
 }

 import javax.swing.*;
 import java.awt.*;
 import java.awt.event.*;
 
 public class Prefs extends JFrame implements ActionListener
 {
 	JPasswordField key;
 	JLabel keyPrompt;
 	JLabel blank;
 	JTextField userName;
 	JLabel namePrompt;
 	Container cp = getContentPane();
 	Button finish;
 	JTextField IP;
 	JLabel IP_Prompt;
 	
 	
 	public Prefs()
 	{
 	
 		try 
 		{
 			UIManager.setLookAndFeel(
 			"com.sun.java.swing.plaf.gtk.GTKLookAndFeel");
 		} catch (Exception e) { }
 		FlowLayout f = new FlowLayout();
 		setLayout(f);
 		setSize(400, 200);
 		keyPrompt = new JLabel("Please enter your 8-bit key:");
 		IP_Prompt = new JLabel("Pleas enter the IP of the computer you will be connecting to:");
 		IP = new JTextField(20);
 		key = new JPasswordField(8);
 		namePrompt = new JLabel("Please enter your user name:");
 		userName = new JTextField(20);
 		finish = new Button("Connect");
 		finish.addActionListener(this);
 		blank = new JLabel("																												 ");
 		cp.add(keyPrompt);
 		cp.add(key);
 		cp.add(blank);
 		cp.add(IP_Prompt);
 		cp.add(IP);
 		cp.add(blank);
 		cp.add(namePrompt);
 		cp.add(userName);
 		cp.add(blank);
 		cp.add(finish);
 		setVisible(true);
 	}
 	
 	public void actionPerformed(ActionEvent e)
 	{
 		dispose();
 	    Client.c.setEncryptionKeyAndUserName(new String(key.getPassword()), userName.getText(), IP.getText());
 	}
 	
 }

 import java.awt.*;
 import javax.swing.*;
 import java.io.*;
 import java.net.*;
 import java.awt.event.*;
 public class Server
 {
 	public static void main(String[]args) throws Exception
 	{
 		ServerSocket s = new ServerSocket(6665);
 		Socket sock = s.accept();
 		ObjectOutputStream o = new ObjectOutputStream(sock.getOutputStream());
 		o.writeObject("BLAH");
 		ObjectInputStream i = new ObjectInputStream(sock.getInputStream());
 		String t = (String)i.readObject();
 		System.out.println(t);
 	}
 }