protected ServerSocketFactory createServerSocketFactory() 
{
        return new ServerSocketFactory() {
            public ServerSocket createServerSocket(int port) throws IOException {
                ServerSocketChannel serverSocketChannel = ServerSocketChannel.open();
                serverSocketChannel.socket().bind(new InetSocketAddress(port));
                return serverSocketChannel.socket();
            }
            public ServerSocket createServerSocket(int port, int backlog) throws IOException {
                ServerSocketChannel serverSocketChannel = ServerSocketChannel.open();
                serverSocketChannel.socket().bind(new InetSocketAddress(port), backlog);
                return serverSocketChannel.socket();
            }
            public ServerSocket createServerSocket(int port, int backlog, InetAddress ifAddress) throws IOException {
                ServerSocketChannel serverSocketChannel = ServerSocketChannel.open();
                serverSocketChannel.socket().bind(new InetSocketAddress(ifAddress, port), backlog);
                return serverSocketChannel.socket();
            }
        };
}

 protected SocketFactory createSocketFactory() 
{
        return new SocketFactory() {
            public Socket createSocket() throws IOException {
                SocketChannel channel = SocketChannel.open();
                return channel.socket();
            }
            public Socket createSocket(String host, int port) throws IOException, UnknownHostException {
                SocketChannel channel = SocketChannel.open();
                channel.connect(new InetSocketAddress(host, port));
                return channel.socket();
            }
            public Socket createSocket(InetAddress address, int port) throws IOException {
                SocketChannel channel = SocketChannel.open();
                channel.connect(new InetSocketAddress(address, port));
                return channel.socket();
            }
            public Socket createSocket(String address, int port, InetAddress localAddresss, int localPort) throws IOException, UnknownHostException {
                SocketChannel channel = SocketChannel.open();
                channel.socket().bind(new InetSocketAddress(localAddresss, localPort));
                channel.connect(new InetSocketAddress(address, port));
                return channel.socket();
            }
            public Socket createSocket(InetAddress address, int port, InetAddress localAddresss, int localPort) throws IOException {
                SocketChannel channel = SocketChannel.open();
                channel.socket().bind(new InetSocketAddress(localAddresss, localPort));
                channel.connect(new InetSocketAddress(address, port));
                return channel.socket();
            }
        };
}

 protected TcpTransport createTcpTransport(WireFormat wf,
    SocketFactory socketFactory,
    URI location,
    URI localLocation) throws UnknownHostException, IOException 
{
        return new NIOTransport(wf, socketFactory, location, localLocation);
}

 protected TcpTransportServer createTcpTransportServer(URI location,
    ServerSocketFactory serverSocketFactory) throws IOException, URISyntaxException 
{
        return new TcpTransportServer(this, location, serverSocketFactory) {
            protected Transport createTransport(Socket socket, WireFormat format) throws IOException {
                return new NIOTransport(format, socket);
            }
        };
}