| DefaultSynchronousMessageSender.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 package com.liferay.portal.kernel.messaging.sender;
24
25 import com.liferay.portal.kernel.log.Log;
26 import com.liferay.portal.kernel.log.LogFactoryUtil;
27 import com.liferay.portal.kernel.messaging.Message;
28 import com.liferay.portal.kernel.messaging.MessageBus;
29 import com.liferay.portal.kernel.messaging.MessageBusException;
30 import com.liferay.portal.kernel.uuid.PortalUUID;
31
32 /**
33 * <a href="DefaultSynchronousMessageSender.java.html"><b><i>View Source</i>
34 * </b></a>
35 *
36 * @author Michael C. Han
37 *
38 */
39 public class DefaultSynchronousMessageSender
40 implements SynchronousMessageSender {
41
42 public DefaultSynchronousMessageSender(
43 MessageBus messageBus, PortalUUID portalUUID, long timeout) {
44
45 _messageBus = messageBus;
46 _portalUUID = portalUUID;
47 _timeout = timeout;
48 }
49
50 public Object sendMessage(String destination, Message message)
51 throws MessageBusException {
52
53 return sendMessage(destination, message, _timeout);
54 }
55
56 public Object sendMessage(String destination, Message message, long timeout)
57 throws MessageBusException {
58
59 message.setDestination(destination);
60
61 String responseDestination = message.getResponseDestination();
62
63 if (!_messageBus.hasDestination(responseDestination)) {
64 if (_log.isDebugEnabled()) {
65 _log.debug(
66 "Response destination " + responseDestination +
67 " is not configured");
68 }
69
70 return null;
71 }
72
73 String responseId = _portalUUID.generate();
74
75 message.setResponseId(responseId);
76
77 SynchronousMessageListener synchronousMessageListener =
78 new SynchronousMessageListener(_messageBus, message, timeout);
79
80 return synchronousMessageListener.send();
81 }
82
83 private static Log _log =
84 LogFactoryUtil.getLog(DefaultSynchronousMessageSender.class);
85
86 private MessageBus _messageBus;
87 private PortalUUID _portalUUID;
88 private long _timeout;
89
90 }