if (propertyType.isPrimitive()) {
            return (T) convertPrimitiveWrapper(arg);
        } else if (Number.class.isAssignableFrom(propertyType)) {
            return (T) convertNumber(arg);
        } else if (java.util.Date.class.isAssignableFrom(propertyType)) {
            return (T) convertDate(arg);
        } else if (Boolean.class.isAssignableFrom(propertyType)) {

        final Class<?> propertyType = readMethod.getReturnType();
        PropertyDescImpl propDesc = (PropertyDescImpl) propertyDescCache.get(propertyName);
        if (propDesc == null) {
            propDesc = new PropertyDescImpl(propertyName, propertyType, readMethod, null, null, this);
            addPropertyDesc(propDesc);
        } else if (propDesc.getPropertyType() != propertyType) {

constraints.TypeFloat.message               = {item} sollte numerisch sein.
constraints.TypeDouble.message              = {item} sollte numerisch sein.
constraints.TypeAny.message                 = {item} kann nicht in {propertyType} umgewandelt werden.
constraints.UriType.message                 = {item} hat eine falsche URI.
constraints.CronExpression.message          = {item} ist kein gültiger Cron-Ausdruck.

constraints.TypeInteger.message = {item}은 숫자로하십시오.
constraints.TypeLong.message = {item}은 숫자로하십시오.
constraints.TypeFloat.message = {item}은 숫자로하십시오.
constraints.TypeDouble.message = {item}은 숫자로하십시오.
constraints.TypeAny.message = {item}는 {propertyType}로 변환 할 수 없습니다.
constraints.UriType.message = {item}에 인식 할 수없는 URI가 있습니다.
constraints.CronExpression.message = {item}은 올바른 CRON 표기는 없습니다.

# ----------------------------------------------------------
# Application Exception

constraints.TypeFloat.message               = {item} should be numeric.
constraints.TypeDouble.message              = {item} should be numeric.
constraints.TypeAny.message                 = {item} cannot convert as {propertyType}.
constraints.UriType.message                 = {item} has wrong URI.
constraints.CronExpression.message          = {item} is invalid cron expression.

# ----------------------------------------------------------

constraints.TypeFloat.message               = {item} should be numeric.
constraints.TypeDouble.message              = {item} should be numeric.
constraints.TypeAny.message                 = {item} cannot convert as {propertyType}.
constraints.UriType.message                 = {item} has wrong URI.
constraints.CronExpression.message          = {item} is invalid cron expression.

# ----------------------------------------------------------

constraints.TypeFloat.message               = {item} should be numeric.
constraints.TypeDouble.message              = {item} should be numeric.
constraints.TypeAny.message                 = {item} cannot convert as {propertyType}.
constraints.UriType.message                 = {item} has wrong URI.
constraints.CronExpression.message          = {item} is invalid cron expression.

# ----------------------------------------------------------

constraints.TypeFloat.message               = {item} doit être numérique.
constraints.TypeDouble.message              = {item} doit être numérique.
constraints.TypeAny.message                 = {item} ne peut pas être converti en {propertyType}.
constraints.UriType.message                 = {item} a un mauvais URI.
constraints.CronExpression.message          = {item} est une expression cron invalide.

# ----------------------------------------------------------

constraints.TypeLong.message = {item} は数値にしてください。
constraints.TypeFloat.message = {item} は数値にしてください。
constraints.TypeDouble.message = {item} は数値にしてください。
constraints.TypeAny.message = {item} は {propertyType} に変換できません。
constraints.UriType.message = {item} に認識できない URI があります。
constraints.CronExpression.message = {item} は正しい CRON 表記ではありません。

# ----------------------------------------------------------
# Application Exception