001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.kernel.bi.reporting.messaging;
016    
017    import com.liferay.portal.kernel.bi.reporting.ReportDesignRetriever;
018    import com.liferay.portal.kernel.bi.reporting.ReportEngine;
019    import com.liferay.portal.kernel.bi.reporting.ReportGenerationException;
020    import com.liferay.portal.kernel.bi.reporting.ReportRequest;
021    import com.liferay.portal.kernel.bi.reporting.ReportResultContainer;
022    import com.liferay.portal.kernel.log.Log;
023    import com.liferay.portal.kernel.log.LogFactoryUtil;
024    import com.liferay.portal.kernel.messaging.BaseMessageListener;
025    import com.liferay.portal.kernel.messaging.Message;
026    import com.liferay.portal.kernel.messaging.MessageBusUtil;
027    
028    /**
029     * @author Michael C. Han
030     */
031    public class ReportCompilerRequestMessageListener extends BaseMessageListener {
032    
033            public void setReportEngine(ReportEngine reportEngine) {
034                    _reportEngine = reportEngine;
035            }
036    
037            public void setReportResultContainer(
038                    ReportResultContainer reportResultContainer) {
039    
040                    _reportResultContainer = reportResultContainer;
041            }
042    
043            @Override
044            protected void doReceive(Message message) throws Exception {
045                    ReportRequest reportRequest = (ReportRequest)message.getPayload();
046    
047                    ReportDesignRetriever reportDesignRetriever =
048                            reportRequest.getReportDesignRetriever();
049    
050                    ReportResultContainer reportResultContainer =
051                            _reportResultContainer.clone(reportDesignRetriever.getReportName());
052    
053                    try {
054                            _reportEngine.compile(reportRequest);
055                    }
056                    catch (ReportGenerationException rge) {
057                            _log.error("Unable to compile report", rge);
058    
059                            reportResultContainer.setReportGenerationException(rge);
060                    }
061                    finally {
062                            Message responseMessage = MessageBusUtil.createResponseMessage(
063                                    message, reportResultContainer);
064    
065                            responseMessage.setPayload(reportResultContainer);
066    
067                            MessageBusUtil.sendMessage(
068                                    responseMessage.getDestinationName(), responseMessage);
069                    }
070            }
071    
072            private static Log _log = LogFactoryUtil.getLog(
073                    ReportCompilerRequestMessageListener.class);
074    
075            private ReportEngine _reportEngine;
076            private ReportResultContainer _reportResultContainer;
077    
078    }