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.DataOutput;
23 import java.io.IOException;
24
25 /***
26 * Writes a ConsumerInfo object to a Stream
27 */
28 public class ResponseReceiptWriter extends ReceiptWriter {
29
30
31 /***
32 * Return the type of Packet
33 *
34 * @return integer representation of the type of Packet
35 */
36
37 public int getPacketType() {
38 return Packet.RESPONSE_RECEIPT_INFO;
39 }
40
41
42 /***
43 * Write a Packet instance to data output stream
44 *
45 * @param packet the instance to be seralized
46 * @param dataOut the output stream
47 * @throws IOException thrown if an error occurs
48 */
49
50 public void writePacket(Packet packet, DataOutput dataOut) throws IOException {
51 super.writePacket(packet, dataOut);
52 ResponseReceipt info = (ResponseReceipt) packet;
53 byte data[] = info.getResultBytes();
54 if (data == null) {
55 dataOut.writeInt(0);
56 }
57 else {
58 dataOut.writeInt(data.length);
59 dataOut.write(data);
60 }
61 }
62
63
64 }