private void run() throws IOException {

        // Make connection and initialize streams
        String serverAddress = getServerAddress();
        Socket socket = new Socket(serverAddress, 9001);
        in = new BufferedReader(new InputStreamReader(
            socket.getInputStream()));
        out = new PrintWriter(socket.getOutputStream(), true);

        // Process all messages from server, according to the protocol.
        while (true) {
            String line = in.readLine();
            System.out.println(line);
            
            if (line.startsWith("LOGINUSERNAME")) {
                out.println(getName());
            } else if (line.startsWith("LOGINPASSWORD")) {
                out.println(getPassword());
            } else if (line.startsWith("NAMEACCEPTED")) {
                textField.setEditable(true);
            } else if (line.startsWith("MESSAGE")) {
                messageArea.append(line.substring(8) + "\n");
            }
        }
    }