}
public ActionForward duplicatePeriod(final ActionMapping mapping, final ActionForm form, final HttpServletRequest request,
final HttpServletResponse response) {
PeriodsManagementBean bean = getRenderedObject();
try {
bean.duplicatePeriod(request.getParameter("toDuplicateId"));
addActionMessage("success", request, "label.occupation.period.duplicate.success");
} catch (DomainException e) {
addActionMessage("error", request, e.getKey());
}