abbhiseth

The following is the code for report generation of Excel(XLS) report using JAVA JRXML.Its generating a blank file.I am calling the method by this: String hello=xls(JRXML_FILE, PDF_FILE, JASPER_FILE); Where JRXML_FILE is the poath of JRXML fileWhere PDF_FILE is the destination path of the Excel fileJASPER_FILE is the link to the JASPER file.PLS HELP! public String xls(String filename, String dest_filename, String jasper_file){ try{ //File sourceFile = new File(filename); //HashMap hm = new HashMap(); // JasperPrint print = JasperFillManager.fillReport(filename, hm, new JREmptyDataSource()); 1JasperCompileManager.compileReportToFile(filename, jasper_file);File sourceFile = new File(jasper_file); JasperReport jasperReport = (JasperReport) JRLoader.loadObject(sourceFile); JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport, new HashMap<String, Object>()); File destFile = new File(dest_filename); JRXlsExporter exporter = new JRXlsExporter(); exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);exporter.setParameter(JRXlsExporterParameter.IS_ONE_PAGE_PER_SHEET, Boolean.TRUE);exporter.setParameter(JRXlsExporterParameter.IS_DETECT_CELL_TYPE, Boolean.TRUE);exporter.setParameter(JRXlsExporterParameter.IS_WHITE_PAGE_BACKGROUND, Boolean.FALSE);exporter.setParameter(JRXlsExporterParameter.IS_REMOVE_EMPTY_SPACE_BETWEEN_ROWS, Boolean.TRUE);exporter.setParameter(JRExporterParameter.OUTPUT_FILE_NAME, destFile.toString()); exporter.setParameter(JRXlsExporterParameter.IS_ONE_PAGE_PER_SHEET, Boolean.FALSE); exporter.exportReport(); } catch(Throwable t){return "error: " + t.getMessage();} return "XLS Report generated Successfully!"; }