Java tutorial
package com.github.nettybook.ch7.junit; import java.nio.charset.Charset; import java.util.concurrent.TimeUnit; /* * 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. */ import io.netty.channel.ChannelInitializer; import io.netty.channel.ChannelPipeline; import io.netty.channel.socket.SocketChannel; import io.netty.handler.codec.DelimiterBasedFrameDecoder; import io.netty.handler.codec.Delimiters; import io.netty.handler.codec.string.StringDecoder; import io.netty.handler.codec.string.StringEncoder; import io.netty.handler.timeout.IdleStateHandler; /** * Creates a newly configured {@link ChannelPipeline} for a new channel. */ public class TelnetServerInitializerV3 extends ChannelInitializer<SocketChannel> { private static final StringDecoder DECODER = new StringDecoder(Charset.forName("EUC-KR")); private static final StringEncoder ENCODER = new StringEncoder(Charset.forName("EUC-KR")); private static final TelnetServerHandlerV3 SERVER_HANDLER = new TelnetServerHandlerV3(); @Override public void initChannel(SocketChannel ch) throws Exception { ChannelPipeline pipeline = ch.pipeline(); // Add the text line codec combination first, pipeline.addLast(new DelimiterBasedFrameDecoder(8192, Delimiters.lineDelimiter())); // the encoder and decoder are static as these are sharable pipeline.addLast(DECODER); pipeline.addLast(ENCODER); pipeline.addLast(new IdleStateHandler(0, 0, 10, TimeUnit.SECONDS)); // and then business logic. pipeline.addLast(SERVER_HANDLER); } }