Java tutorial
package net.sf.xplanner.email; import net.sf.xplanner.events.ObjectCreated; import net.sf.xplanner.events.ObjectDeleted; import net.sf.xplanner.events.ObjectUpdated; import net.sf.xplanner.events.XplannerEvent; import org.springframework.context.ApplicationEvent; import org.springframework.context.ApplicationListener; /** * XplannerPlus, agile planning software * @author Maksym. * Copyright (C) 2009 Maksym Chyrkov * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * 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, see <http://www.gnu.org/licenses/> * */ public class EmailPerChangeListener implements ApplicationListener { private EmailHelper emailHelper; public void setEmailHelper(EmailHelper emailHelper) { this.emailHelper = emailHelper; } public void onApplicationEvent(ApplicationEvent event) { if (!event.getClass().isAnnotationPresent(XplannerEvent.class)) { return; } if (event instanceof ObjectUpdated) { sendObjectWasUpdatedEmail((ObjectUpdated) event); } else if (event instanceof ObjectCreated) { sendObjectWasCreatedEmail((ObjectCreated) event); } else if (event instanceof ObjectDeleted) { sendObjectWasDeletedEmail((ObjectDeleted) event); } } private void sendObjectWasDeletedEmail(ObjectDeleted event) { emailHelper.sendEmail(event); } private void sendObjectWasCreatedEmail(ObjectCreated event) { emailHelper.sendEmail(event); } private void sendObjectWasUpdatedEmail(ObjectUpdated event) { emailHelper.sendEmail(event); } }