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1   /*******************************************************************************
2    * Copyright (c) 2011 Michael Mimo Moratti.
3    *
4    * Michael Mimo Moratti licenses this file to you under the Apache License, version 2.0
5    * (the "License"); you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at:
7    *     http://www.apache.org/licenses/LICENSE-2.0
8    * Unless required by applicable law or agreed to in writing, software
9    * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
10   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
11   * License for the specific language governing permissions and limitations
12   * under the License.
13   *******************************************************************************/
14  package ch.mimo.netty.example.icap.preview;
15  
16  import org.jboss.netty.buffer.ChannelBuffers;
17  import org.jboss.netty.channel.ChannelHandlerContext;
18  import org.jboss.netty.channel.MessageEvent;
19  import org.jboss.netty.channel.SimpleChannelUpstreamHandler;
20  
21  import ch.mimo.netty.handler.codec.icap.DefaultIcapChunk;
22  import ch.mimo.netty.handler.codec.icap.DefaultIcapChunkTrailer;
23  import ch.mimo.netty.handler.codec.icap.IcapChunk;
24  import ch.mimo.netty.handler.codec.icap.IcapChunkTrailer;
25  import ch.mimo.netty.handler.codec.icap.IcapResponse;
26  import ch.mimo.netty.handler.codec.icap.IcapResponseStatus;
27  
28  public class IcapClientHandler extends SimpleChannelUpstreamHandler {
29  	
30  	@Override
31  	public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) throws Exception {
32  		IcapResponse response = (IcapResponse)e.getMessage();
33  		if(response.getStatus().equals(IcapResponseStatus.CONTINUE)) {
34  			System.out.println(response.toString());
35  	        IcapChunk chunk = new DefaultIcapChunk(ChannelBuffers.copiedBuffer("ns why and how we can avoid such a desaster next time...".getBytes()));
36  	        IcapChunkTrailer trailer = new DefaultIcapChunkTrailer(true,false);
37  	        ctx.getChannel().write(chunk);
38  	        ctx.getChannel().write(trailer);
39  		} else if(response.getStatus().equals(IcapResponseStatus.NO_CONTENT)) {
40  			System.out.println(response.toString());
41  		}
42  	}
43  }