/**
  * @throws ForbiddenException
  * @throws Zend_Controller_Exception
  * @param  string                           $privilege
  * @param  \Application\Model\ModelAbstract $resource
  */
 public function direct($privilege, $resource)
 {
     if ($resource instanceof App_ListFilter && $resource->getGrouping()) {
         $priv = $privilege . '_' . $resource->getGrouping();
         if (!$this->_privilegeExists($priv, $resource)) {
             $priv = $privilege . '_default';
         }
         $this->_allowed($priv, $resource);
     }
 }