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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    *   http://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.upload;
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  import io.netty.handler.stream.ChunkedWriteHandler;
25  
26  public class HttpUploadClientIntializer extends ChannelInitializer<SocketChannel> {
27  
28      private final SslContext sslCtx;
29  
30      public HttpUploadClientIntializer(SslContext sslCtx) {
31          this.sslCtx = sslCtx;
32      }
33  
34      @Override
35      public void initChannel(SocketChannel ch) {
36          ChannelPipeline pipeline = ch.pipeline();
37  
38          if (sslCtx != null) {
39              pipeline.addLast("ssl", sslCtx.newHandler(ch.alloc()));
40          }
41  
42          pipeline.addLast("codec", new HttpClientCodec());
43  
44          // Remove the following line if you don't want automatic content decompression.
45          pipeline.addLast("inflater", new HttpContentDecompressor());
46  
47          // to be used since huge file transfer
48          pipeline.addLast("chunkedWriter", new ChunkedWriteHandler());
49  
50          pipeline.addLast("handler", new HttpUploadClientHandler());
51      }
52  }