} else if (arg instanceof String && !String.class.equals(propertyType)) {
            return (T) convertWithString(arg);
        } else if (java.util.Calendar.class.isAssignableFrom(propertyType)) {
            return (T) CalendarConversionUtil.toCalendar(arg);
        }
        return (T) arg;
    }

    private Object convertPrimitiveWrapper(final Object arg) {