1   /**
2    * Copyright (c) 2000-2008 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.messaging.Message;
26  import com.liferay.portal.kernel.messaging.MessageBus;
27  import com.liferay.portal.kernel.messaging.MessageBusException;
28  import com.liferay.portal.kernel.uuid.PortalUUID;
29  
30  /**
31   * <a href="DefaultSynchronousMessageSender.java.html"><b><i>View Source</i>
32   * </b></a>
33   *
34   * @author Michael C. Han
35   *
36   */
37  public class DefaultSynchronousMessageSender
38      implements SynchronousMessageSender {
39  
40      public DefaultSynchronousMessageSender(
41          MessageBus messageBus, PortalUUID portalUUID, long timeout) {
42  
43          _messageBus = messageBus;
44          _portalUUID = portalUUID;
45          _timeout = timeout;
46      }
47  
48      public Object sendMessage(String destination, Message message)
49          throws MessageBusException {
50  
51          return sendMessage(destination, message, _timeout);
52      }
53  
54      public Object sendMessage(String destination, Message message, long timeout)
55          throws MessageBusException {
56  
57          message.setDestination(destination);
58  
59          String responseDestination = message.getResponseDestination();
60  
61          if (!_messageBus.hasDestination(responseDestination)) {
62              throw new MessageBusException(
63                  "Response destination " + responseDestination +
64                      " is not configured");
65          }
66  
67          String responseId = _portalUUID.generate();
68  
69          message.setResponseId(responseId);
70  
71          SynchronousMessageListener synchronousMessageListener =
72              new SynchronousMessageListener(_messageBus, message, timeout);
73  
74          return synchronousMessageListener.send();
75      }
76  
77      private MessageBus _messageBus;
78      private PortalUUID _portalUUID;
79      private long _timeout;
80  
81  }