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| /**************************************Creating graphic to represent markershare*******************/
DefaultPieDataset dataset = new DefaultPieDataset();
for (int j = 0; j < ListesSalesCompetitor.size(); j++) {
String name = ListesSalesCompetitor.get(j).getCompetitor().getCompetitorname();
BigDecimal val = ListesSalesCompetitor.get(j).getSalesamount();
double vald = val.doubleValue();
dataset.setValue(name,vald);
}
dataset.setValue("CDSOciety", salesd);
JFreeChart chart = ChartFactory.createPieChart3D("Répartition des parts de marché ",
dataset, true, true, false);
final PiePlot3D plot = (PiePlot3D) chart.getPlot();
plot.setStartAngle(290);
plot.setDirection(Rotation.CLOCKWISE);
plot.setForegroundAlpha(0.5f);
plot.setNoDataMessage("No data to display");
/*Creating file to save chart, if file exists, it will be deleted*/
File fichier = new File("C:\\Image\\chart.png");
try{
if(fichier.exists()){
fichier.delete();
}
if(!fichier.exists()){
fichier.createNewFile();
}
ImageEncoder imageEncoder = ImageEncoderFactory.newInstance(ImageFormat.PNG);
imageEncoder.encode(chart.createBufferedImage(800,600 ), new FileOutputStream(fichier));
}catch(IOException e){
System.out.println("Une erreur est survenu lors de la création du fichier contenant l'image du graphique");
}
request.setAttribute("somme", TotalSales);
request.setAttribute("partcds", partcds);
request.setAttribute("compet", ObjectMarkerShare);
System.out.println("part de marche cds fin =" + partcds);
}
request.getServletContext().getRequestDispatcher("/DisplayMarketShare.jsp").forward(request, response);
}
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
}
} |
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