net.sf.jasperreports.charts.util.TimeSeriesLabelGenerator Maven / Gradle / Ivy
/*
* 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.charts.util;
import java.text.NumberFormat;
import java.util.Locale;
import java.util.Map;
import net.sf.jasperreports.engine.JRConstants;
import org.jfree.chart.labels.StandardXYItemLabelGenerator;
import org.jfree.data.time.RegularTimePeriod;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.data.xy.XYDataset;
/**
* @author Teodor Danciu ([email protected])
*/
public class TimeSeriesLabelGenerator extends StandardXYItemLabelGenerator
{
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
private Map, Map> labelsMap;
public TimeSeriesLabelGenerator(Map, Map> labelsMap)
{
this(labelsMap, Locale.getDefault());
}
public TimeSeriesLabelGenerator(Map, Map> labelsMap, Locale locale)
{
super(DEFAULT_ITEM_LABEL_FORMAT,
NumberFormat.getInstance(locale),
NumberFormat.getInstance(locale));
this.labelsMap = labelsMap;
}
@Override
public String generateLabel(XYDataset dataset, int series, int item)
{
Comparable seriesName = dataset.getSeriesKey(series);
Map labels = labelsMap.get(seriesName);
if(labels != null)
{
return labels.get(((TimeSeriesCollection)dataset).getSeries(series).getTimePeriod(item));
}
return super.generateLabel( dataset, series, item );
}
}