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1   /*
2    * Copyright 2012 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   https://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  package io.netty.example.http.snoop;
17  
18  import io.netty.channel.ChannelInitializer;
19  import io.netty.channel.ChannelPipeline;
20  import io.netty.channel.socket.SocketChannel;
21  import io.netty.handler.codec.http.HttpClientCodec;
22  import io.netty.handler.codec.http.HttpContentDecompressor;
23  import io.netty.handler.ssl.SslContext;
24  
25  public class HttpSnoopClientInitializer extends ChannelInitializer<SocketChannel> {
26  
27      private static final int MAX_CONTENT_LENGTH = 65536;
28  
29      private final SslContext sslCtx;
30  
31      public HttpSnoopClientInitializer(SslContext sslCtx) {
32          this.sslCtx = sslCtx;
33      }
34  
35      @Override
36      public void initChannel(SocketChannel ch) {
37          ChannelPipeline p = ch.pipeline();
38  
39          // Enable HTTPS if necessary.
40          if (sslCtx != null) {
41              p.addLast(sslCtx.newHandler(ch.alloc()));
42          }
43  
44          p.addLast(new HttpClientCodec());
45  
46          // Remove the following line if you don't want automatic content decompression.
47          p.addLast(new HttpContentDecompressor(MAX_CONTENT_LENGTH));
48  
49          // Uncomment the following line if you don't want to handle HttpContents.
50          //p.addLast(new HttpObjectAggregator(1048576));
51  
52          p.addLast(new HttpSnoopClientHandler());
53      }
54  }