net.sf.jasperreports.data.bean.BeanDataAdapterService Maven / Gradle / Ivy
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2014 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.bean;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Collection;
import java.util.Map;
import net.sf.jasperreports.data.AbstractClasspathAwareDataAdapterService;
import net.sf.jasperreports.engine.DefaultJasperReportsContext;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRParameter;
import net.sf.jasperreports.engine.JasperReportsContext;
import net.sf.jasperreports.engine.data.JRAbstractBeanDataSource;
import net.sf.jasperreports.engine.data.JRBeanArrayDataSource;
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
import net.sf.jasperreports.engine.util.JRClassLoader;
/**
* @author Teodor Danciu ([email protected])
*/
public class BeanDataAdapterService extends AbstractClasspathAwareDataAdapterService
{
/**
*
*/
public BeanDataAdapterService(JasperReportsContext jasperReportsContext, BeanDataAdapter beanDataAdapter)
{
super(jasperReportsContext, beanDataAdapter);
}
/**
* @deprecated Replaced by {@link #BeanDataAdapterService(JasperReportsContext, BeanDataAdapter)}.
*/
public BeanDataAdapterService(BeanDataAdapter beanDataAdapter)
{
this(DefaultJasperReportsContext.getInstance(), beanDataAdapter);
}
public BeanDataAdapter getBeanDataAdapter() {
return (BeanDataAdapter) getDataAdapter();
}
@Override
public void contributeParameters(Map parameters) throws JRException
{
BeanDataAdapter beanDataAdapter = getBeanDataAdapter();
if (beanDataAdapter != null)
{
JRAbstractBeanDataSource beanDataSource = null;
ClassLoader oldThreadClassLoader = Thread.currentThread().getContextClassLoader();
try
{
Thread.currentThread().setContextClassLoader(getClassLoader(oldThreadClassLoader));
Class clazz = JRClassLoader.loadClassForRealName(beanDataAdapter.getFactoryClass());
Method method = clazz.getMethod(beanDataAdapter.getMethodName());
Object res = method.invoke(null);
if (res instanceof Collection) {
beanDataSource = new JRBeanCollectionDataSource(
(Collection) res,
beanDataAdapter.isUseFieldDescription());
} else if (res instanceof Object[]) {
beanDataSource = new JRBeanArrayDataSource((Object[]) res,
beanDataAdapter.isUseFieldDescription());
} else {
throw new JRException(
"Factory method must return Collection or Object[] not: "
+ clazz.getName());
}
}
catch (ClassNotFoundException e) {
throw new JRException(e);
} catch (IllegalAccessException e) {
throw new JRException(e);
} catch (SecurityException e) {
throw new JRException(e);
} catch (NoSuchMethodException e) {
throw new JRException(e);
} catch (IllegalArgumentException e) {
throw new JRException(e);
} catch (InvocationTargetException e) {
throw new JRException(e);
}
finally
{
Thread.currentThread().setContextClassLoader(oldThreadClassLoader);
}
parameters.put(JRParameter.REPORT_DATA_SOURCE, beanDataSource);
}
}
}