	public void save(Property property, User user) {
		if (property.getId() == null
				|| user.getId() == property.getId()) {
			propertyDao.save(property);
		} else {
			throw new PermissionDeniedException();
		}
	}

	public void save(Property property, User user) {
		if (property.getId() == null
				|| user.getId() == property.getUser().getId()) {
			propertyDao.save(property);
		} else {
			throw new PermissionDeniedException();
		}
	}
