io.netty.example.telnet.TelnetClientInitializer Maven / Gradle / Ivy
/*
* 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 io.netty.example.telnet;
import io.netty.buffer.BufType;
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;
/**
* Creates a newly configured {@link ChannelPipeline} for a new channel.
*/
public class TelnetClientInitializer extends ChannelInitializer {
private static final StringDecoder DECODER = new StringDecoder();
private static final StringEncoder ENCODER = new StringEncoder(BufType.BYTE);
private static final TelnetClientHandler CLIENTHANDLER = new TelnetClientHandler();
@Override
public void initChannel(SocketChannel ch) throws Exception {
ChannelPipeline pipeline = ch.pipeline();
// Add the text line codec combination first,
pipeline.addLast("framer", new DelimiterBasedFrameDecoder(
8192, Delimiters.lineDelimiter()));
pipeline.addLast("decoder", DECODER);
pipeline.addLast("encoder", ENCODER);
// and then business logic.
pipeline.addLast("handler", CLIENTHANDLER);
}
}