return (T) CalendarConversionUtil.toCalendar(arg);
        }
        return (T) arg;
    }

    private Object convertPrimitiveWrapper(final Object arg) {
        return NumberConversionUtil.convertPrimitiveWrapper(propertyType, arg);
    }

    private Object convertNumber(final Object arg) {
        return NumberConversionUtil.convertNumber(propertyType, arg);
    }