package com.manning.nettyinaction.chapter8;
import io.netty.channel.Channel;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.handler.stream.ChunkedStream;
import io.netty.handler.stream.ChunkedWriteHandler;
import java.io.File;
import java.io.FileInputStream;
/**
* @author <a href="mailto:nmaurer@redhat.com">Norman Maurer</a>
*/
public class ChunkedWriteHandlerInitializer extends ChannelInitializer<Channel> {
private final File file;
public ChunkedWriteHandlerInitializer(File file) {
this.file = file;
}
@Override
protected void initChannel(Channel ch) throws Exception {
ChannelPipeline pipeline = ch.pipeline();
pipeline.addLast(new ChunkedWriteHandler());
pipeline.addLast(new WriteStreamHandler());
}
public final class WriteStreamHandler extends ChannelInboundHandlerAdapter {
@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
super.channelActive(ctx);
ctx.writeAndFlush(new ChunkedStream(new FileInputStream(file)));
}
}
}