net.sf.jasperreports.data.DataAdapterParameterContributorFactory 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;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRPropertiesUtil;
import net.sf.jasperreports.engine.ParameterContributor;
import net.sf.jasperreports.engine.ParameterContributorContext;
import net.sf.jasperreports.engine.ParameterContributorFactory;
import net.sf.jasperreports.repo.DataAdapterResource;
import net.sf.jasperreports.repo.RepositoryUtil;
/**
* @author Teodor Danciu ([email protected])
*/
public final class DataAdapterParameterContributorFactory implements ParameterContributorFactory
{
/**
* A report/dataset level property that provides the location of a data adapter resource
* to be used for the dataset.
*/
public static final String PROPERTY_DATA_ADAPTER_LOCATION = JRPropertiesUtil.PROPERTY_PREFIX + "data.adapter";
private static final DataAdapterParameterContributorFactory INSTANCE = new DataAdapterParameterContributorFactory();
private DataAdapterParameterContributorFactory()
{
}
/**
*
*/
public static DataAdapterParameterContributorFactory getInstance()
{
return INSTANCE;
}
@Override
public List getContributors(ParameterContributorContext context) throws JRException
{
List contributors = new ArrayList();
String dataAdapterUri = JRPropertiesUtil.getInstance(context.getJasperReportsContext()).getProperty(context.getDataset(), PROPERTY_DATA_ADAPTER_LOCATION);
if (dataAdapterUri != null)
{
DataAdapterResource dataAdapterResource = RepositoryUtil.getInstance(context.getJasperReportsContext()).getResourceFromLocation(dataAdapterUri, DataAdapterResource.class);
ParameterContributor dataAdapterService = DataAdapterServiceUtil.getInstance(context.getJasperReportsContext()).getService(dataAdapterResource.getDataAdapter());
return Collections.singletonList(dataAdapterService);
}
return contributors;
}
}