Java tutorial
/* * iReport - Visual Designer for JasperReports. * Copyright (C) 2002 - 2009 Jaspersoft Corporation. All rights reserved. * http://www.jaspersoft.com * * Unless you have purchased a commercial license agreement from Jaspersoft, * the following license terms apply: * * This program is part of iReport. * * iReport is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * iReport 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with iReport. If not, see <http://www.gnu.org/licenses/>. */ package com.jaspersoft.ireport.designer.connection; import com.jaspersoft.ireport.designer.IReportConnectionEditor; import com.jaspersoft.ireport.designer.IReportManager; import com.jaspersoft.ireport.designer.utils.Misc; import com.jaspersoft.ireport.designer.connection.gui.JRSpringLoadedHibernateConnectionEditor; import java.util.StringTokenizer; import javax.swing.JOptionPane; import org.hibernate.Query; import org.hibernate.Session; import org.hibernate.SessionFactory; import org.hibernate.Transaction; import org.hibernate.type.Type; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; /** * * * @author Jeffrey Payne * */ public class JRSpringLoadedHibernateConnection extends JRHibernateConnection { private final static String PROP_KEY_SPRING_CONFIG = "spring.loaded.hibernate.spring.config"; private final static String PROP_KEY_SESSION_FACTORY_ID = "spring.loaded.hibernate.session.factory.id"; private String springConfig = null; private String sessionFactoryBeanId = null; public ApplicationContext getApplicationContext() { StringTokenizer parser = new StringTokenizer(getSpringConfig(), ","); String[] configs = new String[parser.countTokens()]; int iCount = 0; while (parser.hasMoreTokens()) { configs[iCount++] = parser.nextToken(); } return new ClassPathXmlApplicationContext(configs); } public String getSessionFactoryBeanId() { return sessionFactoryBeanId; } public void setSessionFactoryBeanId(String sessionFactoryBeanId) { this.sessionFactoryBeanId = sessionFactoryBeanId; } public String getSpringConfig() { return springConfig; } public void setSpringConfig(String springConfig) { this.springConfig = springConfig; } @Override public SessionFactory getSessionFactory() { return (SessionFactory) getApplicationContext().getBean(getSessionFactoryBeanId()); } /* * This method return all properties used by this connection */ @SuppressWarnings("unchecked") @Override public java.util.HashMap getProperties() { java.util.HashMap map = new java.util.HashMap(); map.put(PROP_KEY_SESSION_FACTORY_ID, getSessionFactoryBeanId()); map.put(PROP_KEY_SPRING_CONFIG, getSpringConfig()); return map; } @Override public void loadProperties(java.util.HashMap map) { setSessionFactoryBeanId((String) map.get(PROP_KEY_SESSION_FACTORY_ID)); setSpringConfig((String) map.get(PROP_KEY_SPRING_CONFIG)); } @Override public String getDescription() { return "Spring loaded Hibernate connection"; } //"connectionType.hibernateSpring" @Override public IReportConnectionEditor getIReportConnectionEditor() { return new JRSpringLoadedHibernateConnectionEditor(); } @Override public void test() throws Exception { try { Thread.currentThread().setContextClassLoader(IReportManager.getInstance().getReportClassLoader()); SessionFactory sf = getSessionFactory(); if (sf == null) { JOptionPane.showMessageDialog(Misc.getMainWindow(), //I18n.getString("messages.connectionDialog.noSessionFactoryReturned", "No session factory returned. Check your session factory bean id against the spring configuration.", "Error", JOptionPane.ERROR_MESSAGE); } else { Session hb_session = sf.openSession(); Transaction transaction = hb_session.beginTransaction(); Query q = hb_session.createQuery("select address as address Address as address"); q.setFetchSize(1); java.util.Iterator iterator = q.iterate(); // this is a stupid thing: iterator.next(); String[] aliases = q.getReturnAliases(); Type[] types = q.getReturnTypes(); JOptionPane.showMessageDialog(Misc.getMainWindow(), //I18n.getString("messages.connectionDialog.hibernateConnectionTestSuccessful", "iReport successfully created a Hibernate session factory from your Spring configuration.", "", JOptionPane.INFORMATION_MESSAGE); } } catch (Exception e) { e.printStackTrace(); JOptionPane.showMessageDialog(Misc.getMainWindow(), e.getMessage(), "Error", JOptionPane.ERROR_MESSAGE); } } }