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| public class PdfAction extends Action
{
public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception,IOException, ServletException, FileNotFoundException, DocumentException
{
ByteArrayOutputStream baosPDF = new ByteArrayOutputStream();
PdfWriter pdfWriter = null;
Document document = new Document();
JFreeChart jfreechart = null ;
try
{
//*************generation du Graphe****************
TimeSeries series = new TimeSeries("ventes ", Month.class);
series.add(new Month(1, Integer.parseInt("2007")), 20);
series.add(new Month(2, Integer.parseInt("2007")), 10);
series.add(new Month(3, Integer.parseInt("2007")), 5);
TimeSeriesCollection dataset = new TimeSeriesCollection();
dataset.addSeries(series);
jfreechart = ChartFactory.createTimeSeriesChart("Evolution des ventes annuelles", "Mois", "Montants DA", dataset, true, true, false);
jfreechart.setBackgroundPaint(Color.white);
XYPlot xyplot = jfreechart.getXYPlot();
DateAxis dateaxis = (DateAxis)xyplot.getDomainAxis();
dateaxis.setTickUnit(new DateTickUnit(1, 1, new SimpleDateFormat("MMM-yyyy")));
dateaxis.setVerticalTickLabels(true);
XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer)xyplot.getRenderer();
renderer.setBaseShapesVisible(true);
renderer.setSeriesFillPaint(0, Color.red);
renderer.setUseFillPaint(true);
renderer.setToolTipGenerator(new StandardXYToolTipGenerator("{0} {1} {2}",new SimpleDateFormat("MMM-yyyy"),NumberFormat.getInstance()));
//*********************************************
pdfWriter = PdfWriter.getInstance(document, baosPDF);
document.setPageSize(PageSize.A4);
document.open();
Font fontTitre = FontFactory.getFont("Arial", 7, Font.NORMAL, Color.BLUE);
Font font = FontFactory.getFont("Arial", 7, Font.NORMAL, Color.BLUE);
int width = 550;
int height = 300;
PdfContentByte cb = pdfWriter.getDirectContent();
PdfTemplate tp = cb.createTemplate(width, height);
Graphics2D g2 = tp.createGraphics(width, height, new DefaultFontMapper());
Rectangle2D r2D = new Rectangle2D.Double(0.0D, 0.0D, width, height); // jfreechart= jfreechart.draw(g2, r2D);
g2.dispose();
Image chartImage = Image.getInstance(tp);
document.add(chartImage);
cb = pdfWriter.getDirectContent();
tp = cb.createTemplate(width, height);
g2 = tp.createGraphics(width, height, new DefaultFontMapper());
r2D = new Rectangle2D.Double(0.0D, 0.0D, width, height);
// jfreechart= // appel de la méthode permettant de récupérer le deuxième graphe ;
// jfreechart.draw(g2, r2D);
g2.dispose();
chartImage = Image.getInstance(tp);
document.add(chartImage);
}
catch(DocumentException e)
{
baosPDF.reset();
}
finally
{
if (document != null)
{
document.close();
}
if (pdfWriter != null)
{
pdfWriter.close();
}
}
StringBuffer sbFilename = new StringBuffer() ;
sbFilename.append("jfreechart_");
sbFilename.append(System.currentTimeMillis());
sbFilename.append(".pdf");
StringBuffer sbContentDispValue = new StringBuffer();
sbContentDispValue.append("inline");
sbContentDispValue.append("; filename=");
sbContentDispValue.append(sbFilename);
response.setHeader("Content-disposition", sbContentDispValue.toString());
response.setContentType("application/pdf");
response.setContentLength(baosPDF.size());
ServletOutputStream sos = response.getOutputStream();
baosPDF.writeTo(sos);
sos.flush();
return(mapping.findForward("success"));
}
} |
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