net.sf.jasperreports.engine.analytics.data.MappedPropertyValues Maven / Gradle / Ivy
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2016 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.analytics.data;
import java.util.Collections;
import java.util.Map;
import java.util.Set;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* @author Lucian Chirita ([email protected])
*/
public class MappedPropertyValues implements PropertyValues
{
private static final Log log = LogFactory.getLog(MappedPropertyValues.class);
private final Map propertyIndexes;
private final Object[] propertyValues;
public MappedPropertyValues(Map propertyIndexes, Object[] propertyValues)
{
this.propertyIndexes = propertyIndexes;
this.propertyValues = propertyValues;
}
@Override
public Set getPropertyNames()
{
return Collections.unmodifiableSet(propertyIndexes.keySet());
}
@Override
public Object getPropertyValue(String name)
{
Integer propertyIndex = propertyIndexes.get(name);
Object value;
if (propertyIndex == null)
{
if (log.isDebugEnabled())
{
log.debug("property " + name + " not found");
}
value = null;
}
else
{
// assuming the index is in bounds
value = propertyValues[propertyIndex];
}
return value;
}
}