com.jaspersoft.ireport.designer.connection.JRHibernateConnection.java Source code

Introduction

Here is the source code for com.jaspersoft.ireport.designer.connection.JRHibernateConnection.java

Source

/*
 * 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.IReportConnection;
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.JRHibernateConnectionEditor;
import javax.swing.JOptionPane;
import javax.swing.SwingUtilities;
import org.hibernate.Query;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.AnnotationConfiguration;
import org.hibernate.cfg.Configuration;
import org.hibernate.cfg.Environment;
import org.hibernate.classic.Session;

/**
 *
 * @author  Administrator
 */
public class JRHibernateConnection extends IReportConnection {

    private String name;
    private boolean useAnnotations = true;

    /** Creates a new instance of JRHibernateConnection */
    public JRHibernateConnection() {
    }

    /**  This method return an instanced connection to the database.
     *  If isJDBCConnection() return false => getConnection() return null
     *
     */
    @Override
    public java.sql.Connection getConnection() {
        return null;
    }

    @Override
    public boolean isJDBCConnection() {
        return false;
    }

    @Override
    public boolean isJRDataSource() {
        return false;
    }

    /*
     *  This method return all properties used by this connection
     */
    @Override
    public java.util.HashMap getProperties() {
        java.util.HashMap map = new java.util.HashMap();
        map.put("useAnnotations", "" + useAnnotations);
        return map;
    }

    @Override
    public void loadProperties(java.util.HashMap map) {
        String b = (String) map.get("useAnnotations");
        if (b != null)
            useAnnotations = Boolean.valueOf(b);
    }

    /**
     * Getter for property name.
     * @return Value of property name.
     */
    @Override
    public java.lang.String getName() {
        return name;
    }

    /**
     * Setter for property name.
     * @param name New value of property name.
     */
    @Override
    public void setName(java.lang.String name) {
        this.name = name;
    }

    /**
     *  This method return an instanced JRDataDource to the database.
     *  If isJDBCConnection() return true => getJRDataSource() return false
     */
    @Override
    public net.sf.jasperreports.engine.JRDataSource getJRDataSource() {
        return null;
    }

    public Session createSession() throws org.hibernate.HibernateException {
        return getSessionFactory().openSession();
    }

    public SessionFactory getSessionFactory() throws org.hibernate.HibernateException {

        if (useAnnotations) {
            AnnotationConfiguration conf = new org.hibernate.cfg.AnnotationConfiguration().configure();
            conf.setProperty(Environment.CONNECTION_PROVIDER,
                    "com.jaspersoft.ireport.designer.connection.HibernateConnectionProvider");
            return conf.buildSessionFactory();
        } else {
            return new Configuration().configure().buildSessionFactory();
        }
    }

    public String getDescription() {
        return "Hibernate connection";
    } //"connectionType.hibernate"

    @Override
    public IReportConnectionEditor getIReportConnectionEditor() {
        return new JRHibernateConnectionEditor();
    }

    @Override
    public void test() throws Exception {
        try {
            SwingUtilities.invokeLater(new Runnable() {
                public void run() {
                    Thread.currentThread()
                            .setContextClassLoader(IReportManager.getInstance().getReportClassLoader());
                    SessionFactory hb_sessionFactory = null;
                    try {
                        hb_sessionFactory = getSessionFactory();

                        // Try to execute an hibernate query...
                        Session hb_session = hb_sessionFactory.openSession();
                        Transaction transaction = hb_session.beginTransaction();

                        Query q = hb_session.createQuery("from java.lang.String s");

                        q.setFetchSize(100);
                        java.util.Iterator iterator = q.iterate();
                        // this is a stupid thing: iterator.next();

                        while (iterator.hasNext()) {
                            Object obj = iterator.next();
                        }

                        JOptionPane.showMessageDialog(Misc.getMainWindow(),
                                //I18n.getString("messages.connectionDialog.connectionTestSuccessful",
                                "Connection test successful!", "", JOptionPane.INFORMATION_MESSAGE);

                    } catch (Throwable ex) {
                        ex.printStackTrace();
                        JOptionPane.showMessageDialog(Misc.getMainWindow(), ex.getMessage(), "Error",
                                JOptionPane.ERROR_MESSAGE);
                        return;
                    } finally {

                    }
                }
            });
        } catch (Exception ex) {
        }
    }

    /**
     * @return the useAnnotations
     */
    public boolean isUseAnnotations() {
        return useAnnotations;
    }

    /**
     * @param useAnnotations the useAnnotations to set
     */
    public void setUseAnnotations(boolean useAnnotations) {
        this.useAnnotations = useAnnotations;
    }
}