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.bi.reporting.messaging;
24  
25  import com.liferay.portal.kernel.bi.reporting.ReportEngine;
26  import com.liferay.portal.kernel.bi.reporting.ReportGenerationException;
27  import com.liferay.portal.kernel.bi.reporting.ReportRequest;
28  import com.liferay.portal.kernel.bi.reporting.ReportResultContainer;
29  import com.liferay.portal.kernel.log.Log;
30  import com.liferay.portal.kernel.log.LogFactoryUtil;
31  import com.liferay.portal.kernel.messaging.Message;
32  import com.liferay.portal.kernel.messaging.MessageBusUtil;
33  import com.liferay.portal.kernel.messaging.MessageListener;
34  
35  /**
36   * <a href="ReportRequestMessageListener.java.html"><b><i>View Source</i></b>
37   * </a>
38   *
39   * @author Michael C. Han
40   *
41   */
42  public class ReportRequestMessageListener implements MessageListener {
43  
44      public ReportRequestMessageListener(
45          ReportEngine reportEngine,
46          ReportResultContainer reportResultContainer) {
47  
48          _reportEngine = reportEngine;
49          _reportResultContainer = reportResultContainer;
50      }
51  
52      public void receive(Message message) {
53          ReportRequest request = (ReportRequest)message.getPayload();
54  
55          ReportResultContainer reportResultContainer =
56              _reportResultContainer.clone(request.getReportName());
57  
58          Message replyMessage = new Message();
59  
60          replyMessage.setDestination(message.getResponseDestination());
61          replyMessage.setResponseId(message.getResponseId());
62  
63          try {
64              _reportEngine.execute(request, reportResultContainer);
65          }
66          catch (ReportGenerationException rge) {
67              _log.error("Unable to generate report", rge);
68  
69              reportResultContainer.setReportGenerationException(rge);
70          }
71          finally {
72              replyMessage.setPayload(reportResultContainer);
73  
74              MessageBusUtil.sendMessage(
75                  message.getResponseDestination(), replyMessage);
76          }
77      }
78  
79      private static final Log _log =
80          LogFactoryUtil.getLog(ReportRequestMessageListener.class);
81  
82      private ReportEngine _reportEngine;
83      private ReportResultContainer _reportResultContainer;
84  
85  }