View Javadoc
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 org.jboss.netty.example.http.upload;
17  
18  import org.jboss.netty.buffer.ChannelBuffer;
19  import org.jboss.netty.channel.ChannelHandlerContext;
20  import org.jboss.netty.channel.ExceptionEvent;
21  import org.jboss.netty.channel.MessageEvent;
22  import org.jboss.netty.channel.SimpleChannelUpstreamHandler;
23  import org.jboss.netty.handler.codec.http.HttpChunk;
24  import org.jboss.netty.handler.codec.http.HttpResponse;
25  import org.jboss.netty.util.CharsetUtil;
26  
27  public class HttpUploadClientHandler extends SimpleChannelUpstreamHandler {
28  
29      private boolean readingChunks;
30  
31      @Override
32      public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) {
33          if (!readingChunks) {
34              HttpResponse response = (HttpResponse) e.getMessage();
35  
36              System.err.println("STATUS: " + response.getStatus());
37              System.err.println("VERSION: " + response.getProtocolVersion());
38  
39              if (!response.headers().names().isEmpty()) {
40                  for (String name: response.headers().names()) {
41                      for (String value: response.headers().getAll(name)) {
42                          System.err.println("HEADER: " + name + " = " + value);
43                      }
44                  }
45              }
46  
47              if (response.getStatus().getCode() == 200 && response.isChunked()) {
48                  readingChunks = true;
49                  System.err.println("CHUNKED CONTENT {");
50              } else {
51                  ChannelBuffer content = response.getContent();
52                  if (content.readable()) {
53                      System.err.println("CONTENT {");
54                      System.err.println(content.toString(CharsetUtil.UTF_8));
55                      System.err.println("} END OF CONTENT");
56                  }
57              }
58          } else {
59              HttpChunk chunk = (HttpChunk) e.getMessage();
60              if (chunk.isLast()) {
61                  readingChunks = false;
62                  System.err.println("} END OF CHUNKED CONTENT");
63              } else {
64                  System.err.println(chunk.getContent().toString(CharsetUtil.UTF_8));
65              }
66          }
67      }
68  
69      @Override
70      public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) {
71          e.getCause().printStackTrace();
72          e.getChannel().close();
73      }
74  }