client server

package sendStrings;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.net.ServerSocket;
import java.net.Socket;

public class Server {

	public static void main(String args[])
	{
		ServerSocket server = null;
		String line;
		BufferedReader is;
		PrintStream os;
		Socket client = null;

		try
		{
			server = new ServerSocket(9999);
		}
		catch (Exception e)
		{
			System.out.println(e);
		}

		try
		{
			client = server.accept();
			System.out.println(client.getInetAddress());
			is = new BufferedReader(new InputStreamReader(client.getInputStream()));
			os = new PrintStream(client.getOutputStream());
			line = "";
			while ((line = is.readLine()) != null)
			{
				os.println(line);
			}
		}
		catch (Exception e)
		{
			System.out.println(e);
		}
	}
}


package sendStrings;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.net.Socket;
import java.util.Scanner;

public class Client {

	Socket c = null;
	BufferedReader is;
	Scanner in;
	PrintStream os;

	public Client(String inIpAddress, int port)
	{
		try
		{
			c = new Socket(inIpAddress, port);
			is = new BufferedReader(new InputStreamReader(c.getInputStream()));
			os = new PrintStream(c.getOutputStream());
		}
		catch (Exception e)
		{
			System.out.println(e);
		}
	}

	public void send(String toSend)
	{
		os.println(toSend);
		os.flush();
	}

	public BufferedReader getReader()
	{
		return this.is;
	}

	public void close()
	{
		try {
			c.close();
		} catch (Exception e) {
			System.out.println(e);
		}
	}
}



package sendStrings;

import java.awt.BorderLayout;

public class ClientWindow extends JFrame implements Runnable {

	private JPanel contentPane;
	private Client client;
	private BufferedReader fromServer;
	private Scanner in;
	private JTextField inIP;
	private JTextField inPort;
	private JTextField inMessage;
	private JTextPane mainChat;

	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					ClientWindow frame = new ClientWindow();
					frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	/**
	 * Create the frame.
	 */
	public ClientWindow() {
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(100, 100, 450, 300);
		contentPane = new JPanel();
		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
		setContentPane(contentPane);
		contentPane.setLayout(null);

		inIP = new JTextField();
		inIP.setText("Enter IP");
		inIP.setBounds(10, 11, 111, 20);
		contentPane.add(inIP);
		inIP.setColumns(10);

		inPort = new JTextField();
		inPort.setText("Enter Port");
		inPort.setBounds(131, 11, 86, 20);
		contentPane.add(inPort);
		inPort.setColumns(10);

		JButton btnConnect = new JButton("Connect");
		btnConnect.addMouseListener(new MouseAdapter() {
			@Override
			public void mouseClicked(MouseEvent arg0) {
				//HANDLE CONNECT TO IP
				connect(inIP.getText(), inPort.getText());
			}
		});
		btnConnect.setBounds(227, 10, 89, 23);
		contentPane.add(btnConnect);

		mainChat = new JTextPane();
		mainChat.setBounds(10, 42, 306, 172);
		contentPane.add(mainChat);

		inMessage = new JTextField();
		inMessage.addKeyListener(new KeyAdapter() {
			@Override
			public void keyPressed(KeyEvent arg0) {
				//HANDLE SEND W/ ENTER KEY
				if (arg0.getKeyCode() == KeyEvent.VK_ENTER && !(inMessage.getText().equals("")))
				{
					//send message
					client.send(inMessage.getText());
					inMessage.setText("");
				}
			}
		});
		inMessage.setBounds(10, 225, 306, 25);
		contentPane.add(inMessage);
		inMessage.setColumns(10);

		JButton btnSend = new JButton("Send");
		btnSend.addMouseListener(new MouseAdapter() {
			@Override
			public void mouseClicked(MouseEvent e) {
				//HANDLE SEND
				if (!(inMessage.getText().equals("")))
				{
					//send message
					client.send(inMessage.getText());
					inMessage.setText("");
				}
			}
		});
		btnSend.setBounds(326, 226, 89, 23);
		contentPane.add(btnSend);
	}

	private void connect(String inIP, String inPort)
	{
		int port = 9999;
		try
		{
			port = Integer.parseInt(inPort);
		}
		catch (Exception e)
		{
			System.out.println(e);
		}
		try
		{
			client = new Client(inIP, port);
		}
		catch (Exception e)
		{
			System.out.println(e);
		}
		fromServer = client.getReader();
		run();
	}

	public void postToChat(String message)
	{
		String text = mainChat.getText();
		text = text + message + "\n";
	}

	@Override
	public void run() {
		String line = "";
		try {
			while ((line = fromServer.readLine()) != null)
			{
				postToChat(line);
				if (line.equals(".bye"))
					break;
			}
		} catch (Exception e) {
			System.out.println(e);
		} finally {
			client.close();
		}
	}
}