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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.engine.query;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import net.sf.jasperreports.engine.DefaultJasperReportsContext;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRPropertiesUtil;
import net.sf.jasperreports.engine.JRPropertiesUtil.PropertySuffix;
import net.sf.jasperreports.engine.JasperReportsContext;
import net.sf.jasperreports.engine.util.JRQueryExecuterUtils;
import net.sf.jasperreports.engine.util.JRSingletonCache;
/**
* @author Teodor Danciu ([email protected])
*/
public final class DefaultQueryExecuterFactoryBundle implements JRQueryExecuterFactoryBundle
{
@SuppressWarnings("deprecation")
private static final JRSingletonCache cache =
new JRSingletonCache(JRQueryExecuterFactory.class);
private static final DefaultQueryExecuterFactoryBundle INSTANCE = new DefaultQueryExecuterFactoryBundle();
private JasperReportsContext jasperReportsContext;
private DefaultQueryExecuterFactoryBundle()
{
this(DefaultJasperReportsContext.getInstance());
}
private DefaultQueryExecuterFactoryBundle(JasperReportsContext jasperReportsContext)
{
this.jasperReportsContext = jasperReportsContext;
}
/**
*
*/
public static DefaultQueryExecuterFactoryBundle getInstance()
{
return INSTANCE;
}
/**
*
*/
public static DefaultQueryExecuterFactoryBundle getInstance(JasperReportsContext jasperReportsContext)
{
return new DefaultQueryExecuterFactoryBundle(jasperReportsContext);
}
@Override
public String[] getLanguages()
{
List languages = new ArrayList();
List properties = JRPropertiesUtil.getInstance(jasperReportsContext).getProperties(QueryExecuterFactory.QUERY_EXECUTER_FACTORY_PREFIX);
for (Iterator it = properties.iterator(); it.hasNext();)
{
PropertySuffix property = it.next();
languages.add(property.getSuffix());
}
return languages.toArray(new String[languages.size()]);
}
@Override
@SuppressWarnings("deprecation")
public QueryExecuterFactory getQueryExecuterFactory(String language) throws JRException
{
String factoryClassName = JRPropertiesUtil.getInstance(jasperReportsContext).getProperty(QueryExecuterFactory.QUERY_EXECUTER_FACTORY_PREFIX + language);
if (factoryClassName == null)
{
return null;
}
JRQueryExecuterFactory factory = cache.getCachedInstance(factoryClassName);
if (factory instanceof QueryExecuterFactory)
{
return (QueryExecuterFactory)factory;
}
return new JRQueryExecuterUtils.WrappingQueryExecuterFactory(factory);
}
}