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.handler.codec.icap;
15
16 import org.jboss.netty.buffer.ChannelBuffer;
17
18 /**
19 * Decoder State that reads chunk content
20 *
21 * @author Michael Mimo Moratti (mimo@mimo.ch)
22 *
23 * @see IcapMessageDecoder
24 * @see StateEnum
25 */
26 public class ReadChunkState extends State<Object> {
27
28 public ReadChunkState(String name) {
29 super(name);
30 }
31
32 @Override
33 public void onEntry(ChannelBuffer buffer, IcapMessageDecoder icapMessageDecoder) throws DecodingException {
34 }
35
36 @Override
37 public StateReturnValue execute(ChannelBuffer buffer, IcapMessageDecoder icapMessageDecoder) throws DecodingException {
38 IcapChunk chunk = new DefaultIcapChunk(buffer.readBytes(icapMessageDecoder.currentChunkSize));
39 chunk.setPreviewChunk(icapMessageDecoder.message.isPreviewMessage());
40 return StateReturnValue.createRelevantResult(chunk);
41 }
42
43 @Override
44 public StateEnum onExit(ChannelBuffer buffer, IcapMessageDecoder icapMessageDecoder, Object decisionInformation) throws DecodingException {
45 return StateEnum.READ_CHUNK_DELIMITER_STATE;
46 }
47 }