sheet.getContentProvider().setColWidths(new int[] { 20, 10, 20, 15, 50, 20});
sheet.getContentProvider().putFormat(java.sql.Timestamp.class, "YYYY-MM-DD hh:mm:ss");
sheet.setPropertyNames(new String[] { "regionId", "versionString", "updateDate", "executedBy.username", "description",
"executionResult"});
sheet.addRow().setValues("region id", "version", "update date", "executed by", "description", "execution result");
sheet.addRows(updateEntries);
final String filename = "ProjectForge-UpdateHistory_" + DateHelper.getDateAsFilenameSuffix(new Date()) + ".xls";
final byte[] xls = workbook.getAsByteArray();
DownloadUtils.setDownloadTarget(xls, filename);
};
}, getString("system.update.downloadUpdateHistoryAsXls"));