content: package org.apollo.net;
  
  import io.netty.channel.ChannelInboundHandlerAdapter;
  import io.netty.channel.ChannelInitializer;
  import io.netty.channel.ChannelPipeline;
  import io.netty.channel.socket.SocketChannel;
  import io.netty.handler.codec.http.HttpObjectAggregator;
  import io.netty.handler.codec.http.HttpRequestDecoder;
  import io.netty.handler.codec.http.HttpResponseEncoder;
  import io.netty.handler.timeout.IdleStateHandler;
  
  /**
   * A {@link ChannelInitializer} for the HTTP protocol.
   *
   * @author Graham
   */
  public final class HttpChannelInitializer extends ChannelInitializer<SocketChannel> {
  
  	/**
  	 * The maximum length of a request, in bytes.
  	 */
  	private static final int MAX_REQUEST_LENGTH = 8192;
  
  	/**
  	 * The server event handler.
  	 */
  	private final ChannelInboundHandlerAdapter handler;
  
  	/**
  	 * Creates the HTTP pipeline factory.
  	 *
  	 * @param handler The file server event handler.
  	 */
  	public HttpChannelInitializer(ChannelInboundHandlerAdapter handler) {
  		this.handler = handler;
  	}
  
  	@Override
  	protected void initChannel(SocketChannel ch) throws Exception {
  		ChannelPipeline pipeline = ch.pipeline();
  
  		pipeline.addLast("decoder", new HttpRequestDecoder());
  		pipeline.addLast("chunker", new HttpObjectAggregator(MAX_REQUEST_LENGTH));
  
  		pipeline.addLast("encoder", new HttpResponseEncoder());
  
  		pipeline.addLast("timeout", new IdleStateHandler(NetworkConstants.IDLE_TIME, 0, 0));
  		pipeline.addLast("handler", handler);
  	}
  
  }