class urn_perun_user_attribute_def_def_timezone extends UserAttributesModuleAbstract implements UserAttributesModuleImplApi {

	@Override
	public void checkAttributeSemantics(PerunSessionImpl perunSession, User user, Attribute attribute) throws WrongReferenceAttributeValueException {
		if (attribute.getValue() == null) throw new WrongReferenceAttributeValueException(attribute, null, user, null, "Timezone must be set");
	}

}