public ActionForward createEnrolmentPeriod(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request,
HttpServletResponse response) {
try {
final ManageEnrolmentsBean bean = getRenderedObject("createBean");
CreateEnrolmentPeriods.create(bean.getDegreeCurricularPlans(), bean.getSemester(), bean.getStartDate(),
bean.getEndDate());
} catch (final DomainException e) {
addErrorMessage(request, e.getMessage(), e.getArgs());
return createEnrolmentPeriodInvalid(mapping, actionForm, request, response);
}