if (validDataFirstCar(parkingRequestFactoryCreator, request)) {
if (!isFirstCarDateValid(parkingRequestFactoryCreator, request)) {
    public ActionForward createParkingRequest(ActionMapping mapping, ActionForm actionForm,            HttpServletRequest request, HttpServletResponse response) throws Exception {        ParkingRequestFactoryCreator parkingRequestFactoryCreator = (ParkingRequestFactoryCreator) getFactoryObject();        DynaActionForm parkingForm = (DynaActionForm) actionForm;        if (validDataFirstCar(parkingRequestFactoryCreator, request)) {            return mapping.getInputForward();        }        ajustParkingRequest(parkingForm, parkingRequestFactoryCreator);        executeService(request, "ExecuteFactoryMethod", new Object[] { parkingRequestFactoryCreator });        return prepareParking(mapping, actionForm, request, response);    }