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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.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  }