net.sf.jasperreports.components.headertoolbar.HeaderToolbarParameterContributor Maven / Gradle / Ivy
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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.components.headertoolbar;
import java.util.List;
import java.util.Map;
import net.sf.jasperreports.components.sort.FieldFilter;
import net.sf.jasperreports.components.sort.actions.FilterCommand;
import net.sf.jasperreports.engine.CompositeDatasetFilter;
import net.sf.jasperreports.engine.DatasetFilter;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRParameter;
import net.sf.jasperreports.engine.JRPropertiesUtil;
import net.sf.jasperreports.engine.ParameterContributor;
import net.sf.jasperreports.engine.ParameterContributorContext;
import net.sf.jasperreports.engine.ReportContext;
import net.sf.jasperreports.web.util.JacksonUtil;
/**
*
*
* @author Narcis Marcu ([email protected])
*/
public class HeaderToolbarParameterContributor implements ParameterContributor
{
private final ParameterContributorContext context;
public HeaderToolbarParameterContributor (ParameterContributorContext context)
{
this.context = context;
}
@Override
public void contributeParameters(Map parameterValues) throws JRException
{
ReportContext reportContext = (ReportContext) parameterValues.get(JRParameter.REPORT_CONTEXT);
if (reportContext != null)
{
String serializedFilters = JRPropertiesUtil.getOwnProperty(context.getDataset(), FilterCommand.DATASET_FILTER_PROPERTY);
if (serializedFilters != null)
{
List existingFilters = getFilters(serializedFilters);
parameterValues.put(JRParameter.FILTER, new CompositeDatasetFilter(existingFilters));
}
}
}
protected List getFilters(String serializedFilters)
{
if (serializedFilters != null)
{
return JacksonUtil.getInstance(context.getJasperReportsContext()).loadList(serializedFilters, FieldFilter.class);
}
return null;
}
@Override
public void dispose() {
}
}