xdev.reports.jasper.JRDataSourceMapper Maven / Gradle / Ivy
package xdev.reports.jasper;
/*-
* #%L
* XDEV BI Suite
* %%
* Copyright (C) 2011 - 2020 XDEV Software
* %%
* This program 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.
*
* This program 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 General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
import java.util.Map;
import net.sf.jasperreports.engine.JRDataSource;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRField;
import xdev.lang.NotNull;
public class JRDataSourceMapper implements JRDataSource
{
private final JRDataSource wrappedDataSource;
private final Map fieldMapping;
public JRDataSourceMapper(final JRDataSource dataSource, final Map fieldMapping)
{
this.wrappedDataSource = dataSource;
this.fieldMapping = fieldMapping;
}
/**
* {@inheritDoc}
*/
@Override
public boolean next() throws JRException
{
return this.wrappedDataSource.next();
}
/**
* {@inheritDoc}
*/
@Override
public Object getFieldValue(@NotNull final JRField jrField) throws JRException
{
final String mappedName = this.fieldMapping.get(jrField.getName());
JRField field = jrField;
if(mappedName != null)
{
field = new JRMappedField(jrField,mappedName,jrField.getPropertyExpressions());
}
return this.wrappedDataSource.getFieldValue(field);
}
}
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