public void xlsx() 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() + ".xlsx");
JRXlsxExporter exporter = new JRXlsxExporter();
exporter.setExporterInput(new SimpleExporterInput(jasperPrint));
exporter.setExporterOutput(new SimpleOutputStreamExporterOutput(destFile));
SimpleXlsxReportConfiguration configuration = new SimpleXlsxReportConfiguration();
configuration.setOnePagePerSheet(false);
exporter.setConfiguration(configuration);
exporter.exportReport();
System.err.println("XLSX creation time : " + (System.currentTimeMillis() - start));
}
public void xlsx() throws JRException {
long start = System.currentTimeMillis();
File sourceFile = new File(TMP_DIR + ALL_CHARTS_REPORT_JRPRINT);
Map<String, String> dateFormats = new HashMap<String, String>();
dateFormats.put("EEE, MMM d, yyyy", "ddd, mmm d, yyyy");
JasperPrint jasperPrint = (JasperPrint) JRLoader.loadObject(sourceFile);
File destFile = new File(sourceFile.getParent(), jasperPrint.getName() + ".xlsx");
JRXlsxExporter exporter = new JRXlsxExporter();
exporter.setExporterInput(new SimpleExporterInput(jasperPrint));
exporter.setExporterOutput(new SimpleOutputStreamExporterOutput(destFile));
SimpleXlsxReportConfiguration configuration = new SimpleXlsxReportConfiguration();
configuration.setOnePagePerSheet(true);
configuration.setDetectCellType(true);
configuration.setFormatPatternsMap(dateFormats);
exporter.setConfiguration(configuration);
exporter.exportReport();
System.err.println("XLSX creation time : " + (System.currentTimeMillis() - start));
}