@Override public void postList( HttpServletRequest request, ModelAndView mav, PeticioDeFirmaFilterForm filterForm, List<PeticioDeFirma> list) throws I18NException { super.postList(request, mav, filterForm, list); for (PeticioDeFirma pf : list) { if (pf.getDataFinal() != null) { filterForm.getHiddenFields().remove(DATAFINAL); return; } } filterForm.addHiddenField(DATAFINAL); }