/**
  * Create a DBO from the ACL
  *
  * @param acl
  * @return
  * @throws DatastoreException
  */
 public static DBOAccessControlList createDBO(AccessControlList acl) throws DatastoreException {
   DBOAccessControlList dbo = new DBOAccessControlList();
   dbo.setId(KeyFactory.stringToKey(acl.getId()));
   dbo.setEtag(acl.getEtag());
   dbo.setCreationDate(acl.getCreationDate().getTime());
   return dbo;
 }