How to use

ChannelPipelineModifier

in

co.cask.http

 @Override
 public void modify(ChannelPipeline pipeline) {
  existing.modify(pipeline);
  additional.modify(pipeline);
 }
};

 @Override
 public void modify(ChannelPipeline pipeline) {
  existing.modify(pipeline);
  additional.modify(pipeline);
 }
};

 @Override
 protected void initChannel(SocketChannel ch) throws Exception {
  channelGroup.add(ch);
  ChannelPipeline pipeline = ch.pipeline();
  if (sslHandlerFactory != null) {
   // Add SSLHandler if SSL is enabled
   pipeline.addLast("ssl", sslHandlerFactory.create(ch.alloc()));
  }
  pipeline.addLast("codec", new HttpServerCodec());
  pipeline.addLast("compressor", new HttpContentCompressor());
  pipeline.addLast("chunkedWriter", new ChunkedWriteHandler());
  pipeline.addLast("keepAlive", new HttpServerKeepAliveHandler());
  pipeline.addLast("router", new RequestRouter(resourceHandler, httpChunkLimit, sslHandlerFactory != null));
  if (eventExecutorGroup == null) {
   pipeline.addLast("dispatcher", new HttpDispatcher());
  } else {
   pipeline.addLast(eventExecutorGroup, "dispatcher", new HttpDispatcher());
  }
  if (pipelineModifier != null) {
   pipelineModifier.modify(pipeline);
  }
 }
});