gistfile1.java

        public ChannelPipeline getPipeline() throws Exception {
            ChannelPipeline pipeline = Channels.pipeline();

            //  add the binary codec combination first
            pipeline.addLast("framer", new LengthFieldBasedFrameDecoder(
                    MAXIMUM_PACKET_LENGTH, LENGTH_FIELD_OFFSET, LENGTH_FIELD_LENGTH, LENGTH_FIELD_MODIFICATION, 0));
            pipeline.addLast("decoder", new OpenFlowDecoder());
            pipeline.addLast("encoder", new OpenFlowEncoder());

            //  add then the business logic
            pipeline.addLast("handler", new OpenFlowSimpleControllerHandler(controller));

            return pipeline;
        }