Source code: org/activemq/message/PacketFacade.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.message;
20
21 import java.io.Externalizable;
22 import java.io.IOException;
23 import java.io.ObjectInput;
24 import java.io.ObjectOutput;
25
26 import javax.jms.JMSException;
27
28 import org.activemq.io.WireFormat;
29 import org.activemq.io.impl.DefaultWireFormat;
30 import org.activemq.util.JMSExceptionHelper;
31
32 /**
33 * A helper class for using Packet instances with object serialization
34 *
35 * @version $Revision: 1.1.1.1 $
36 */
37 public class PacketFacade implements Externalizable {
38
39 private static final long serialVersionUID = -4687188386605805496L;
40
41 private static final WireFormat wireFormat = new DefaultWireFormat();
42
43 private transient Packet packet;
44
45 public PacketFacade() {
46 }
47
48 public PacketFacade(Packet packet) {
49 this.packet = packet;
50 }
51
52 public Packet getPacket() {
53 return packet;
54 }
55
56 public void writeExternal(ObjectOutput out) throws IOException {
57 try {
58 wireFormat.writePacket(packet, out);
59 }
60 catch (JMSException e) {
61 throw JMSExceptionHelper.newIOException(e);
62 }
63 }
64
65 public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
66 int type = in.readByte();
67 packet = wireFormat.readPacket(type, in);
68 }
69 }