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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  }