View Javadoc

1   /***
2    *
3    * Copyright 2004 Protique Ltd
4    *
5    * Licensed under the Apache License, Version 2.0 (the "License");
6    * you may not use this file except in compliance with the License.
7    * You may obtain a copy of the License at
8    *
9    * http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   *
17   **/
18  
19  
20  package org.codehaus.activemq.message;
21  
22  import java.io.DataInput;
23  import java.io.IOException;
24  
25  /***
26   * Reads a ConsumerInfo object from a Stream
27   */
28  
29  public class ResponseReceiptReader extends ReceiptReader {
30  
31      /***
32       * Return the type of Packet
33       *
34       * @return integer representation of the type of Packet
35       */
36      public int getPacketType() {
37          return Packet.RESPONSE_RECEIPT_INFO;
38      }
39  
40      /***
41       * @return a new Packet instance
42       */
43  
44      public Packet createPacket() {
45          return new ResponseReceipt();
46      }
47  
48  
49      /***
50       * build a Packet instance from the data input stream
51       *
52       * @param packet A Packet object
53       * @param dataIn the data input stream to build the packet from
54       * @throws IOException
55       */
56  
57      public void buildPacket(Packet packet, DataInput dataIn) throws IOException {
58          super.buildPacket(packet, dataIn);
59          ResponseReceipt info = (ResponseReceipt) packet;
60          int size = dataIn.readInt();
61          byte data[] = null;
62          if (size != 0) {
63              data = new byte[size];
64              dataIn.readFully(data);
65          }
66          info.setResultBytes(data);
67      }
68  
69  
70  }