public List<ResourceReservableDetail> getResourcesReservable(
     String instanceId, Date startDate, Date endDate) {
   Connection con = initCon();
   try {
     return ResourcesManagerDAO.getResourcesReservable(con, instanceId, startDate, endDate);
   } catch (Exception e) {
     throw new ResourcesManagerRuntimeException(
         "ResourcesManagerBmEJB.getResourcesReservable()",
         SilverpeasRuntimeException.ERROR,
         "resourcesManager.EX_GET_RESOURCES_RESERVABLE",
         e);
   } finally {
     fermerCon(con);
   }
 }