IDEMPIERE-3857:fire event on jasper engine

org.adempiere.report.jasper/META-INF/MANIFEST.MF

@@ -8,7 +8,8 @@ Import-Package: net.sourceforge.barbecue,
  org.apache.commons.codec,
  org.apache.commons.codec.binary,
  org.apache.commons.logging;version="1.1.1",
- org.apache.commons.logging.impl;version="1.1.1"
+ org.apache.commons.logging.impl;version="1.1.1",
+ org.osgi.service.event
 Require-Bundle: org.adempiere.base;bundle-version="0.0.0",
  net.sf.jasperreports.engine;bundle-version="6.3.1"
 Service-Component: OSGI-INF/processfactory.xml

org.adempiere.report.jasper/src/org/adempiere/report/jasper/JREventManage.java

@@ -0,0 +1,66 @@
+/******************************************************************************
+ * Product: Adempiere ERP & CRM Smart Business Solution                       *
+ * Copyright (C) 1999-2006 ComPiere, Inc. All Rights Reserved.                *
+ * This program is free software; you can redistribute it and/or modify it    *
+ * under the terms version 2 of the GNU General Public License as published   *
+ * by the Free Software Foundation. This program is distributed in the hope   *
+ * that it will be useful, but WITHOUT ANY WARRANTY; without even the implied *
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.           *
+ * See the GNU General Public License for more details.                       *
+ * You should have received a copy of the GNU General Public License along    *
+ * with this program; if not, write to the Free Software Foundation, Inc.,    *
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.                     *
+ * For the text or an alternative of this public license, you may reach us    *
+ * ComPiere, Inc., 2620 Augustine Dr. #245, Santa Clara, CA 95054, USA        *
+ * or via info@compiere.org or http://www.compiere.org/license.html           *
+ *****************************************************************************/
+
+package org.adempiere.report.jasper;
+
+import org.adempiere.base.event.EventManager;
+import org.adempiere.base.event.EventProperty;
+import org.compiere.process.ProcessInfo;
+import org.osgi.service.event.Event;
+
+import net.sf.jasperreports.engine.export.JRPdfExporter;
+import net.sf.jasperreports.export.SimpleExporterConfiguration;
+import net.sf.jasperreports.export.SimplePdfExporterConfiguration;
+
+/**
+ * mange to fire event relate jasper report
+ * at the moment just fire export pdf event
+ * @author hieplq
+ *
+ */
+public class JREventManage {
+	/**
+	 * topic fire when setting configuration for pdf export
+	 */
+	public final static String JP_PDF_EXPORT_CONFIG_EVENT = "JP_PDF_EXPORT_CONFIG_EVENT";
+	/**
+	 * key for even info, save {@link JRPdfExporter} object
+	 */
+	public final static String JP_KEY_PDF_EXPORT_EXPORTER = "EXPORTER";
+	/**
+	 * key for even info, save {@link SimpleExporterConfiguration} object
+	 */
+	public final static String JP_KEY_PDF_EXPORT_CONFIG = "CONFIG";
+	/**
+	 * key for even info, save {@link ProcessInfo} object
+	 */
+	public final static String JP_KEY_PROCESS_INFO = "PROCESS_INFO";
+	
+	/**
+	 * sent event to customize pdf export configuration
+	 * @param export is {@link JRPdfExporter}
+	 * @param config is {@link SimplePdfExporterConfiguration}
+	 */
+	public static void sentPdfExporterConfigurationEvent(JRPdfExporter export, SimpleExporterConfiguration config, ProcessInfo pi) {
+		Event event = EventManager.newEvent(JP_PDF_EXPORT_CONFIG_EVENT,
+				new EventProperty(JP_KEY_PDF_EXPORT_EXPORTER, export), 
+				new EventProperty(JP_KEY_PDF_EXPORT_CONFIG, config),
+				new EventProperty(JP_KEY_PROCESS_INFO, pi));
+		
+		EventManager.getInstance().sendEvent(event);
+	}
+}

org.adempiere.report.jasper/src/org/adempiere/report/jasper/ReportStarter.java

@@ -758,6 +758,8 @@ public class ReportStarter implements ProcessCall, ClientProcess
             				export.setConfiguration(config);
             				export.setExporterOutput(new SimpleOutputStreamExporterOutput(strm));
             				exporter = export;
+            				// give a chance for customize jasper report configuration per report
+            				JREventManage.sentPdfExporterConfigurationEvent(export, config, pi);
             			} else if (ext.equals("ps")) {
             				JRPrintServiceExporter export = new JRPrintServiceExporter(
             						jasperContext);