Netty httpリクエストの送信

protected void initChannel(SocketChannel socketChannel) throws Exception {
                            socketChannel.pipeline().addLast(new HttpRequestEncoder());// httpRequest 
                            socketChannel.pipeline().addLast(new HttpResponseDecoder());// httpresopnse 
                            // socketChannel.pipeline().addLast(new HttpClientCodec());// httpRequest ， httpresopnse 

  }