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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  package org.codehaus.activemq.message;
20  import java.io.DataInput;
21  import java.io.IOException;
22  
23  /***
24   * Reads a ConnnectionInfo object from a Stream
25   * 
26   * @version $Revision: 1.1 $
27   */
28  public class WireFormatInfoReader extends AbstractPacketReader {
29      /***
30       * Return the type of Packet
31       * 
32       * @return integer representation of the type of Packet
33       */
34      public int getPacketType() {
35          return Packet.WIRE_FORMAT_INFO;
36      }
37  
38      /***
39       * @return a new Packet instance
40       */
41      public Packet createPacket() {
42          return new WireFormatInfo();
43      }
44  
45      /***
46       * build a Packet instance from the data input stream
47       * 
48       * @param packet A Packet object
49       * @param dataIn the data input stream to build the packet from
50       * @throws IOException
51       */
52      public void buildPacket(Packet packet, DataInput dataIn) throws IOException {
53          super.buildPacket(packet, dataIn);
54          WireFormatInfo info = (WireFormatInfo) packet;
55          info.setVersion(dataIn.readInt());
56      }
57  }