/**
  * Check event status.
  *
  *   - HttpKernelInterface::MASTER_REQUEST === 1
  *   - HttpKernelInterface::SUB_REQUEST === 2
  *
  * @param KernelEvent $event The KernelEvent
  *
  * @return void
  *
  * @api
  */
 public function onCoreController(KernelEvent $event)
 {
     if (HttpKernelInterface::MASTER_REQUEST === $event->getRequestType()) {
         $this->controller = $event->getController();
         if (isset($this->controller[0])) {
             $this->controller = $this->controller[0];
             if (method_exists($this->controller, 'preExecute')) {
                 $this->controller->preExecute();
             }
         }
     }
 }
 /**
  * @param KernelEvent $event
  * @return bool
  */
 protected function isActive(KernelEvent $event)
 {
     $request = $event->getRequest();
     if ($this->active === true) {
         return true;
     }
     $this->active = false;
     if ($event instanceof FilterControllerEvent) {
         if (!$event->isMasterRequest()) {
             return false;
         }
         if ($event->getController()[0] instanceof RestApiControllerInterface) {
             return $this->active = true;
         }
     }
     foreach ($this->whitelist as $whitelist) {
         if (preg_match($whitelist, $request->getPathInfo())) {
             return $this->active = true;
         }
     }
     foreach ($this->blacklist as $blacklist) {
         if (preg_match($blacklist, $request->getPathInfo())) {
             $this->active = false;
         }
     }
     return $this->active;
 }