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   /*
    * 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 org.jboss.netty.example.http.file;
  
  import org.jboss.netty.channel.ChannelPipeline;
  import org.jboss.netty.channel.ChannelPipelineFactory;
  import org.jboss.netty.handler.codec.http.HttpChunkAggregator;
  import org.jboss.netty.handler.codec.http.HttpRequestDecoder;
  import org.jboss.netty.handler.codec.http.HttpResponseEncoder;
  import org.jboss.netty.handler.ssl.SslContext;
  import org.jboss.netty.handler.stream.ChunkedWriteHandler;
  
  import static org.jboss.netty.channel.Channels.*;
  
  public class HttpStaticFileServerPipelineFactory implements ChannelPipelineFactory {
  
      private final SslContext sslCtx;
  
      public HttpStaticFileServerPipelineFactory(SslContext sslCtx) {
          this.sslCtx = sslCtx;
      }
  
      public ChannelPipeline getPipeline() {
          // Create a default pipeline implementation.
          ChannelPipeline pipeline = pipeline();
  
          if (sslCtx != null) {
              pipeline.addLast("ssl", sslCtx.newHandler());
          }
          pipeline.addLast("decoder", new HttpRequestDecoder());
          pipeline.addLast("aggregator", new HttpChunkAggregator(65536));
          pipeline.addLast("encoder", new HttpResponseEncoder());
          pipeline.addLast("chunkedWriter", new ChunkedWriteHandler());
  
          pipeline.addLast("handler", new HttpStaticFileServerHandler());
          return pipeline;
      }
  }