/** {@inheritDoc} */
 @Override
 protected Map<String, Object> referenceData(HttpServletRequest req) throws Exception {
   String reportId = req.getParameter("reportId");
   Map<String, Object> data = new HashMap<String, Object>();
   List<ReportFormat> formats = m_reportWrapperService.getFormats(reportId);
   data.put("formats", formats);
   List<String> onmsCategories = m_categoryDao.getAllCategoryNames();
   data.put("onmsCategories", onmsCategories);
   List<String> categories = m_catConfigService.getCategoriesList();
   data.put("categories", categories);
   return data;
 }