source: ether_eccad/trunk/ECCAD_INTERFACE/WEB-INF/src/org/medias/eccad/metier/statistique/ServiceGraphe.java @ 68

package org.medias.eccad.metier.statistique;

import java.awt.Color;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.text.SimpleDateFormat;
import java.util.List;



import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.DateAxis;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYErrorRenderer;
import org.jfree.data.time.Day;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.data.xy.XYDataset;
import org.medias.eccad.helpers.Donnees;
import org.medias.eccad.helpers.LoggerPerso;
import org.medias.eccad.modele.Valeur;

public class ServiceGraphe {
        
        public String genereGraphe(String identifiant, List<Valeur> liste_valeur) {
                File fichier = new File(Donnees.getHome() + "/images/graphes_temporaires/" + identifiant +"_graphe.png");
                OutputStream out = null;
                
                try {
                        out = new FileOutputStream(fichier);
                        getGraphe(out, liste_valeur);
                } catch (FileNotFoundException e) {
                        LoggerPerso.log(ServiceGraphe.class, LoggerPerso.DEBUG, "erreur d'écriture du graphe", e);
                        return "/";
                } catch (IOException e) {
                        LoggerPerso.log(ServiceGraphe.class, LoggerPerso.DEBUG, "erreur d'écriture du graphe", e);
                        return "/";
                }
                
                return "/images/graphes_temporaires/" + identifiant +"_graphe.png";
        }
        
        public void getGraphe(OutputStream out, List<Valeur> liste_valeur) 
    throws IOException { 
    
   // CategoryDataset dataset = new DefaultCategoryDataset(); 
    TimeSeries time = new TimeSeries("", Day.class);
    
    for (Valeur valeur : liste_valeur) {
        
        LoggerPerso.log(ServiceGraphe.class, LoggerPerso.DEBUG, "______________________________________________valeur graphe string "+valeur.getValeur()+" double "+ Double.parseDouble(valeur.getValeur()));
                
        
        time.add(new Day(Integer.parseInt(valeur.getNom().substring(6, 8)), 
                                                 Integer.parseInt(valeur.getNom().substring(4, 6)), 
                                                 Integer.parseInt(valeur.getNom().substring(0, 4))), 
                                 Double.parseDouble(valeur.getValeur()));
        }
    
  /*time.add(new Day(1, 1, 2000), 10);
   time.add(new Day(2, 1, 2000), 10);
   time.add(new Day(3, 1, 2000), 10);
   time.add(new Day(4, 1, 2000), 10);
   time.add(new Day(5, 1, 2000), 10);
   time.add(new Day(10, 1, 2000), 100);
   time.add(new Day(11, 1, 2000), 100);
   time.add(new Day(12, 1, 2000), 100);
   time.add(new Day(13, 1, 2000), 100);
   time.add(new Day(14, 1, 2000), 100);
   time.add(new Day(15, 1, 2000), 100);*/
   
    
   XYDataset dataset = new TimeSeriesCollection(time);
   //dataset.setDomainIsPointsInTime(true);
    JFreeChart barChart = ChartFactory.createTimeSeriesChart("", "", 
      "", dataset, false, true, false); 
    XYPlot plot = barChart.getXYPlot();
    DateAxis axis = (DateAxis) plot.getDomainAxis();
    axis.setDateFormatOverride(new SimpleDateFormat("yyyy-MM-dd"));
    plot.setRenderer(new XYErrorRenderer());
    plot.getRenderer().setSeriesPaint(0, Color.blue);
    
    /*plot.setRenderer(new XYBarRenderer());
    svgTest(barChart, "XYBarRenderer");
    plot.setRenderer(new XYStepRenderer());
    svgTest(barChart, "XYStepRenderer");
    plot.setRenderer(new ClusteredXYBarRenderer());
    svgTest(barChart, "ClusteredXYBarRenderer");
    plot.setRenderer(new CyclicXYItemRenderer());
        svgTest(barChart, "CyclicXYItemRenderer");
    plot.setRenderer(new DefaultXYItemRenderer());
        svgTest(barChart, "DefaultXYItemRenderer");
    plot.setRenderer(new DeviationRenderer());
        svgTest(barChart, "DeviationRenderer");
    plot.setRenderer(new HighLowRenderer());
        svgTest(barChart, "HighLowRenderer");
    plot.setRenderer(new StandardXYItemRenderer());
        svgTest(barChart, "StandardXYItemRenderer");
    plot.setRenderer(new VectorRenderer());
        svgTest(barChart, "VectorRenderer");
    plot.setRenderer(new XYAreaRenderer());
        svgTest(barChart, "XYAreaRenderer");
    plot.setRenderer(new XYAreaRenderer2());
        svgTest(barChart, "XYAreaRenderer2");
    plot.setRenderer(new XYBarRenderer());
        svgTest(barChart, "XYBarRenderer");
    plot.setRenderer(new XYBlockRenderer());
        svgTest(barChart, "XYBlockRenderer");
    plot.setRenderer(new XYBubbleRenderer());
    svgTest(barChart, "XYBubbleRenderer");
    plot.setRenderer(new XYDifferenceRenderer());
        svgTest(barChart, "XYDifferenceRenderer");
    plot.setRenderer(new XYDotRenderer());
        svgTest(barChart, "XYDotRenderer");
    plot.setRenderer(new XYErrorRenderer());
        svgTest(barChart, "XYErrorRenderer");
    plot.setRenderer(new XYLine3DRenderer());
        svgTest(barChart, "XYLine3DRenderer");
    plot.setRenderer(new XYLineAndShapeRenderer());
        svgTest(barChart, "XYLineAndShapeRenderer");
    plot.setRenderer(new XYStepAreaRenderer());
        svgTest(barChart, "XYStepAreaRenderer");
    plot.setRenderer(new XYStepRenderer());
        svgTest(barChart, "XYStepRenderer");
    plot.setRenderer(new YIntervalRenderer());
    svgTest(barChart, "YIntervalRenderer");*/
   
    
    ChartUtilities.writeChartAsPNG(out, barChart, 720, 360);
        
        
        }
        
        /*private void svgTest(JFreeChart graphe, String type) {
                File fichier = new File("/tmp/" + type + ".png");
                OutputStream out = null;
                try {
                        out = new FileOutputStream(fichier);
                        ChartUtilities.writeChartAsPNG(out, graphe, 720, 360);
                        out.close();
                } catch (FileNotFoundException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                } catch (IOException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                }
        }*/
}