public void pptx() throws JRException {
long start = System.currentTimeMillis();
File sourceFile = new File("build/reports/DataSourceReport.jrprint");
JasperPrint jasperPrint = (JasperPrint) JRLoader.loadObject(sourceFile);
File destFile = new File(sourceFile.getParent(), jasperPrint.getName() + ".pptx");
JRPptxExporter exporter = new JRPptxExporter();
exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
exporter.setParameter(JRExporterParameter.OUTPUT_FILE_NAME, destFile.toString());
exporter.exportReport();
System.err.println("PPTX creation time : " + (System.currentTimeMillis() - start));
}
public void pptx() throws JRException {
long start = System.currentTimeMillis();
File sourceFile = new File("build/reports/JRMDbReport.jrprint");
JasperPrint jasperPrint = (JasperPrint) JRLoader.loadObject(sourceFile);
File destFile = new File(sourceFile.getParent(), jasperPrint.getName() + ".pptx");
JRPptxExporter exporter = new JRPptxExporter();
exporter.setExporterInput(new SimpleExporterInput(jasperPrint));
exporter.setExporterOutput(new SimpleOutputStreamExporterOutput(destFile));
exporter.exportReport();
System.err.println("PPTX creation time : " + (System.currentTimeMillis() - start));
}