Import a chart into XLS file

hai,

i create a chart and some text data with a jasperreport, and i would like to export that report into a xls file,

file xls is create but a chart is not exist in xls file.

How to import a report that contain a chart into xls ?

this my code :

JRXlsExporter exporterXLS = new JRXlsExporter();
exporterXLS.setParameter(JRXlsExporterParameter.JASPER_PRINT, jasperPrint);
exporterXLS.setParameter(JRXlsExporterParameter.OUTPUT_FILE_NAME, "c:/".concat(strSavedFileName).concat(".xls"));
exporterXLS.setParameter(JRXlsExporterParameter.IS_ONE_PAGE_PER_SHEET, Boolean.FALSE);
exporterXLS.setParameter(JRXlsExporterParameter.IS_AUTO_DETECT_CELL_TYPE, Boolean.TRUE);
exporterXLS.setParameter(JRXlsExporterParameter.IS_WHITE_PAGE_BACKGROUND, Boolean.FALSE);
exporterXLS.setParameter(JRXlsExporterParameter.IS_REMOVE_EMPTY_SPACE_BETWEEN_ROWS, Boolean.TRUE);
exporterXLS.exportReport();