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| package com.xxx.xxxxxxxxxx.util;
import java.text.SimpleDateFormat;
import java.util.GregorianCalendar;
import java.util.Iterator;
import java.util.LinkedList;
import org.apache.log4j.Logger;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.DateAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.labels.StandardXYItemLabelGenerator;
import org.jfree.chart.labels.StandardXYToolTipGenerator;
import org.jfree.chart.labels.XYItemLabelGenerator;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.AbstractXYItemRenderer;
import org.jfree.chart.renderer.xy.StandardXYItemRenderer;
import org.jfree.chart.renderer.xy.XYBarRenderer;
import org.jfree.data.general.Dataset;
import org.jfree.data.general.Series;
import org.jfree.data.time.SimpleTimePeriod;
import org.jfree.data.time.TimePeriod;
import org.jfree.data.time.TimePeriodValue;
import org.jfree.data.time.TimePeriodValues;
import org.jfree.data.time.TimePeriodValuesCollection;
import org.jfree.data.xy.DefaultTableXYDataset;
import org.jfree.data.xy.XYDataset;
import org.jfree.data.xy.XYSeries;
import com.xxxx.xxxxxxxxxx.dto.StatsDTO;
/**
* class used to be create chart and generate picture
* @author xxxxxxxxx xxxxxxxxxx
* @version 1
*
*/
public class SimpleChart {
private static Logger logger = Logger.getLogger("com.atos.wkexploit");
//Default value
private static boolean AUTOSORT = true;
private static boolean ALLOWDUPLICATEXVALUES= false;
private static String LBLDATEAXIS = "Date";
private static String LBLVALUEAXIS = "Number";
private static String DATEFORMAT = "dd/MM";
private boolean legend = false;
//Attributs
private Dataset dataset = null;
private Integer type = null;
/**
* Create a dataset about the type of chart
* @since 1
* @param type
*/
public SimpleChart(Integer _type) {
super();
logger.debug("SimpleChart : constructor");
this.type = _type;
switch(type.intValue()){
case 1:
case 3:
logger.debug("SimpleChart : line chart");
dataset = new DefaultTableXYDataset();
break;
case 2:
logger.debug("SimpleChart : bar chart");
dataset = new TimePeriodValuesCollection();
break;
}
}
/**
* Method to initialize the dataset with all value in LinkedList
* @since 1
* @param LinkedList<LinkedList<ListStatsChart>>
*/
public void initDataset(LinkedList lkllklstats){
logger.debug("SimpleChart.initDataset() : Begin");
Series series = null;
Iterator iter = lkllklstats.iterator();
while (iter.hasNext()){
LinkedList lklstats = (LinkedList)iter.next();
if(lklstats.size() > 1){
logger.debug("SimpleChart.initDataset() : legend actived");
legend = true;
}
Iterator it = lklstats.iterator();
while (it.hasNext()){
ListStatsChart lsc = (ListStatsChart)it.next();
switch(type.intValue()){
case 1:
case 3:
logger.debug("SimpleChart.initDataset() : line chart");
series = new XYSeries(lsc.getKey(), AUTOSORT, ALLOWDUPLICATEXVALUES);
break;
case 2:
logger.debug("SimpleChart.initDataset() : bar chart");
series = new TimePeriodValues(lsc.getKey().toString());
break;
}
StatsDTO stt = null;
logger.debug("SimpleChart.initDataset() : init Series : BEGIN");
Iterator itsStats = lsc.getListStat().iterator();
while (itsStats.hasNext()) {
try {
stt = (StatsDTO)itsStats.next();
switch(type.intValue()){
case 1:
logger.debug("SimpleChart.initDataset() : line chart : date : " + stt.getSttDate() + " value : " + stt.getSttValue());
((XYSeries)series).add(stt.getSttDate().getTime(), Double.parseDouble(stt.getSttValue()));
break;
case 2:
logger.debug("SimpleChart.initDataset() : Bar chart : date : " + stt.getSttTime() + " value : " + stt.getSttValue());
GregorianCalendar gcTmpBegin = new GregorianCalendar();
GregorianCalendar gcTmpEnd = new GregorianCalendar();
gcTmpBegin.setTime(stt.getSttTime());
gcTmpBegin.set(GregorianCalendar.SECOND, 0);
gcTmpEnd.setTime(stt.getSttTime());
gcTmpEnd.add(GregorianCalendar.MINUTE, 9);
gcTmpEnd.set(GregorianCalendar.SECOND, 59);
TimePeriod period = new SimpleTimePeriod(gcTmpBegin.getTime(), gcTmpEnd.getTime());
TimePeriodValue item = new TimePeriodValue(period, Double.parseDouble(stt.getSttValue()));
((TimePeriodValues)series).add(item);
break;
case 3:
logger.debug("SimpleChart.initDataset() : line chart 3 : date : " + stt.getSttTime() + " value : " + stt.getSttValue());
((XYSeries)series).add(stt.getSttTime().getTime(), Double.parseDouble(stt.getSttValue()));
break;
}
} catch (Exception e) {
logger.error(StackTraceUtil.getInstance().getStackTrace(e));
}
}
logger.debug("SimpleChart.initDataset() : init Series : END");
try {
switch(type.intValue()){
case 1:
case 3:
logger.debug("SimpleChart.initDataset() : addSeries : " + type);
((DefaultTableXYDataset)dataset).addSeries((XYSeries)series);
break;
case 2:
logger.debug("SimpleChart.initDataset() : addSeries : " + type);
((TimePeriodValuesCollection)dataset).addSeries((TimePeriodValues)series);
break;
}
} catch (Exception e){
logger.error(StackTraceUtil.getInstance().getStackTrace(e));
}
}
}
logger.debug("SimpleChart.initDataset() : end");
}
/**
* Method to create chart
* @since 1
* @param labelDateAxis
* @param dateFormat
* @param labelNumberAxis
* @return JFreeChart
*/
public JFreeChart createChart(String labelDateAxis, String dateFormat, String labelNumberAxis ){
logger.debug("SimpleChart.createChart() : Begin");
if(labelDateAxis == null || labelDateAxis.trim().equals("")){
labelDateAxis = LBLDATEAXIS;
}
if(dateFormat == null || dateFormat.trim().equals("")){
dateFormat = DATEFORMAT;
}
if(labelNumberAxis == null || labelNumberAxis.trim().equals("")){
labelNumberAxis = LBLVALUEAXIS;
}
// -- Create date axis
DateAxis timeAxis = new DateAxis(labelDateAxis);
timeAxis.setDateFormatOverride(new SimpleDateFormat(dateFormat));
// -- Create number axis
NumberAxis valueAxis = new NumberAxis(labelNumberAxis);
valueAxis.setAutoRangeIncludesZero(false);
AbstractXYItemRenderer renderer = null;
XYPlot plot = null;
switch(this.type.intValue()){
case 1:
case 3:
// -- configure renderer
renderer = new StandardXYItemRenderer(StandardXYItemRenderer.LINES + StandardXYItemRenderer.SHAPES);
((StandardXYItemRenderer)renderer).setBaseShapesFilled(true);
XYItemLabelGenerator generator = new StandardXYItemLabelGenerator();
renderer.setBaseItemLabelGenerator(generator);
renderer.setBaseToolTipGenerator(StandardXYToolTipGenerator.getTimeSeriesInstance());
// -- Create plot ...
plot = new XYPlot((XYDataset) this.dataset, timeAxis, valueAxis, renderer);
break;
case 2:
renderer = new XYBarRenderer(0.0);
((XYBarRenderer)renderer).setShadowVisible(false);
// -- Create plot ...
plot = new XYPlot((TimePeriodValuesCollection)dataset, timeAxis, valueAxis, renderer);
plot.getDomainAxis().setLowerMargin(0.0);
plot.getDomainAxis().setUpperMargin(0.0);
break;
}
// -- ... and finally chart
JFreeChart chart = new JFreeChart("", JFreeChart.DEFAULT_TITLE_FONT, plot, legend);
// -- Configure chart
chart.setBackgroundPaint(java.awt.Color.white);
logger.debug("SimpleChart.createChart() : End");
return chart;
}
} |
[JFreeChart]XYBarRenderer Superposition de bars
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