class urn_perun_user_attribute_def_def_userCertDNs extends UserAttributesModuleAbstract implements UserAttributesModuleImplApi {

	@Override
	public void checkAttributeSemantics(PerunSessionImpl sess, User user, Attribute attribute) throws WrongReferenceAttributeValueException {
		if (attribute.getValue() == null)
			throw new WrongReferenceAttributeValueException(attribute, null, user, null, "This attribute value can't be null");
	}

}