/**
   * @param id id of the resource to set the UUID for
   * @param uuid the new UUID of the resource
   * @throws org.sakaiproject.exception.IdInvalidException if the given resource already has a UUID
   *     set
   */
  public static void setUuid(java.lang.String id, java.lang.String uuid)
      throws org.sakaiproject.exception.IdInvalidException {
    org.sakaiproject.content.api.ContentHostingService service = getInstance();
    if (service == null) return;

    service.setUuid(id, uuid);
  }