Package com.manning.nettyinaction.chapter8

Source Code of com.manning.nettyinaction.chapter8.LineBasedHandlerInitializer$FrameHandler

package com.manning.nettyinaction.chapter8;

import io.netty.buffer.ByteBuf;
import io.netty.channel.Channel;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.handler.codec.LineBasedFrameDecoder;


/**
* Listing 8.8 of <i>Netty in Action</i>
*
* @author <a href="mailto:nmaurer@redhat.com">Norman Maurer</a>
*/
public class LineBasedHandlerInitializer extends ChannelInitializer<Channel> {

    @Override
    protected void initChannel(Channel ch) throws Exception {
        ChannelPipeline pipeline = ch.pipeline();
        pipeline.addLast(new LineBasedFrameDecoder(65 * 1024));
        pipeline.addLast(new FrameHandler());
    }

    public static final class FrameHandler extends SimpleChannelInboundHandler<ByteBuf> {
        @Override
        public void channelRead0(ChannelHandlerContext ctx, ByteBuf msg) throws Exception {
            // Do something with the frame
        }
    }
}
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