Java tutorial
/* * Copyright 2012 The Netty Project * * The Netty Project licenses this file to you under the Apache License, * version 2.0 (the "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. */ package com.hxr.javatone.concurrency.netty.official.factorial; import io.netty.channel.ChannelInitializer; import io.netty.channel.ChannelPipeline; import io.netty.channel.socket.SocketChannel; import io.netty.handler.codec.compression.ZlibCodecFactory; import io.netty.handler.codec.compression.ZlibWrapper; /** * Creates a newly configured {@link ChannelPipeline} for a client-side channel. */ public class FactorialClientInitializer extends ChannelInitializer<SocketChannel> { private final int count; public FactorialClientInitializer(int count) { this.count = count; } @Override public void initChannel(SocketChannel ch) throws Exception { ChannelPipeline pipeline = ch.pipeline(); // Enable stream compression (you can remove these two if unnecessary) pipeline.addLast("deflater", ZlibCodecFactory.newZlibEncoder(ZlibWrapper.GZIP)); pipeline.addLast("inflater", ZlibCodecFactory.newZlibDecoder(ZlibWrapper.GZIP)); // Add the number codec first, pipeline.addLast("decoder", new BigIntegerDecoder()); pipeline.addLast("encoder", new NumberEncoder()); // and then business logic. pipeline.addLast("handler", new FactorialClientHandler(count)); } }