/**
  * @brief initializes the LDAP backend
  * @param $force read the config settings no matter what
  *
  * initializes the LDAP backend
  */
 public static function init($force = false)
 {
     if (is_null(self::$__d)) {
         self::$__d = new OC_LDAP_DESTRUCTOR();
     }
     self::readConfiguration($force);
     self::establishConnection();
 }