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Free Java Reporting Library
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2019 TIBCO Software Inc. 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 JasperReports.
*
* JasperReports is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* JasperReports 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with JasperReports. If not, see .
*/
package net.sf.jasperreports.data.hibernate.spring;
import java.lang.reflect.InvocationTargetException;
import java.util.Map;
import java.util.StringTokenizer;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import net.sf.jasperreports.data.AbstractDataAdapterService;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JasperReportsContext;
import net.sf.jasperreports.engine.ParameterContributorContext;
import net.sf.jasperreports.engine.query.JRHibernateQueryExecuterFactory;
import net.sf.jasperreports.engine.util.JRClassLoader;
/**
* @author Veaceslav Chicu ([email protected])
*/
public class SpringHibernateDataAdapterService extends
AbstractDataAdapterService {
private static final Log log = LogFactory
.getLog(SpringHibernateDataAdapterService.class);
private Object session;
/**
*
*/
public SpringHibernateDataAdapterService(ParameterContributorContext paramContribContext, SpringHibernateDataAdapter jsonDataAdapter)
{
super(paramContribContext, jsonDataAdapter);
}
/**
* @deprecated Replaced by {@link #SpringHibernateDataAdapterService(ParameterContributorContext, SpringHibernateDataAdapter)}.
*/
public SpringHibernateDataAdapterService(JasperReportsContext jasperReportsContext, SpringHibernateDataAdapter jsonDataAdapter)
{
super(jasperReportsContext, jsonDataAdapter);
}
public SpringHibernateDataAdapter getHibernateDataAdapter() {
return (SpringHibernateDataAdapter) getDataAdapter();
}
@Override
public void contributeParameters(Map parameters)
throws JRException {
SpringHibernateDataAdapter hbmDA = getHibernateDataAdapter();
if (hbmDA != null) {
try {
Class clazz = JRClassLoader
.loadClassForRealName("org.springframework.context.support.ClassPathXmlApplicationContext");
if (clazz != null) {
StringTokenizer parser = new StringTokenizer(
hbmDA.getSpringConfig(), ",");
String[] configs = new String[parser.countTokens()];
int iCount = 0;
while (parser.hasMoreTokens()) {
configs[iCount++] = parser.nextToken();
}
Object configure = clazz.getConstructor(String[].class)
.newInstance((Object) configs);
if (configure != null) {
Object bsf = clazz.getMethod("getBean", String.class)
.invoke(configure, hbmDA.getBeanId());
session = bsf.getClass()
.getMethod("openSession", new Class[] {})
.invoke(bsf, new Object[] {});
session.getClass()
.getMethod("beginTransaction", new Class[] {})
.invoke(session, new Object[] {});
parameters
.put(JRHibernateQueryExecuterFactory.PARAMETER_HIBERNATE_SESSION,
session);
}
}
} catch (ClassNotFoundException e) {
throw new JRException(e);
} catch (InstantiationException e) {
throw new JRException(e);
} catch (IllegalAccessException e) {
throw new JRException(e);
} catch (IllegalArgumentException e) {
throw new JRException(e);
} catch (SecurityException e) {
throw new JRException(e);
} catch (InvocationTargetException e) {
throw new JRException(e);
} catch (NoSuchMethodException e) {
throw new JRException(e);
}
}
}
@Override
public void dispose() {
if (session != null) {
try {
session.getClass().getMethod("close", new Class[] {})
.invoke(session, new Object[] {});
} catch (Exception ex) {
if (log.isErrorEnabled())
log.error("Error while closing the connection.", ex);
}
}
}
}