net.sf.jasperreports.engine.style.PropertyStyleProviderFactory Maven / Gradle / Ivy
package net.sf.jasperreports.engine.style;
/*
* 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 .
*/
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import net.sf.jasperreports.engine.JRPropertiesUtil;
import net.sf.jasperreports.engine.JRPropertiesUtil.PropertySuffix;
import net.sf.jasperreports.engine.JRPropertyExpression;
import net.sf.jasperreports.engine.JasperReportsContext;
/**
* @author Teodor Danciu ([email protected])
*/
public final class PropertyStyleProviderFactory implements StyleProviderFactory
{
private static final PropertyStyleProviderFactory INSTANCE = new PropertyStyleProviderFactory();
private PropertyStyleProviderFactory()
{
}
/**
*
*/
public static PropertyStyleProviderFactory getInstance()
{
return INSTANCE;
}
@Override
public StyleProvider getStyleProvider(StyleProviderContext context, JasperReportsContext jasperreportsContext)
{
Map stylePropertyExpressions = null;
JRPropertyExpression[] propertyExpressions = context.getElement().getPropertyExpressions();
if (propertyExpressions != null)
{
for(JRPropertyExpression propertyExpression : propertyExpressions)
{
if (propertyExpression.getName().startsWith(PropertyStyleProvider.STYLE_PROPERTY_PREFIX))
{
if (stylePropertyExpressions == null)
{
stylePropertyExpressions = new HashMap();
}
stylePropertyExpressions.put(propertyExpression.getName(), propertyExpression);
}
}
}
List styleProperties = JRPropertiesUtil.getProperties(context.getElement(), PropertyStyleProvider.STYLE_PROPERTY_PREFIX);
if (
stylePropertyExpressions != null
|| (styleProperties != null && styleProperties.size() > 0)
)
{
return new PropertyStyleProvider(context, stylePropertyExpressions);
}
return null;
}
}