Source code: org/activemq/io/impl/WireFormatInfoWriter.java
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.activemq.io.impl;
20 import java.io.DataOutput;
21 import java.io.IOException;
22 import org.activemq.message.Packet;
23 import org.activemq.message.WireFormatInfo;
24
25 /**
26 * Writes a ConsumerInfo object to a Stream
27 */
28 public class WireFormatInfoWriter extends AbstractPacketWriter {
29
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.WIRE_FORMAT_INFO;
38 }
39
40 /**
41 * Write a Packet instance to data output stream
42 *
43 * @param packet the instance to be seralized
44 * @param dataOut the output stream
45 * @throws IOException thrown if an error occurs
46 */
47 public void writePacket(Packet packet, DataOutput dataOut) throws IOException {
48 dataOut.write(WireFormatInfo.MAGIC);
49 super.writePacket(packet, dataOut);
50 WireFormatInfo info = (WireFormatInfo) packet;
51 dataOut.writeInt(info.getVersion());
52 }
53 }