/**
  * @param Request  $request
  * @param callable $next
  *
  * @return mixed
  * @throws \Exception
  */
 public function handle(Request $request, callable $next)
 {
     $resource = $request->param('__NAMESPACE__');
     $controllerName = $request->param('__CONTROLLER__');
     $method = $request->param('__ACTION__');
     if ($controllerName) {
         if (FALSE === strstr($controllerName, '\\')) {
             $controllerName = Word::dashToCamelCase($controllerName);
             $controllerName .= 'Controller';
             $controllerName = rtrim($resource, '\\') . '\\' . $controllerName;
         }
     } else {
         $controllerName = $resource;
     }
     if (FALSE !== strstr($controllerName, '@')) {
         $controllerName = explode('@', $controllerName);
         $method = $controllerName[1];
         $controllerName = $controllerName[0];
     }
     $method = lcfirst(Word::dashToCamelCase($method));
     $request->set('__CONTROLLER__', $controllerName);
     $request->set('__ACTION__', $method);
     if (!class_exists($controllerName)) {
         throw new \Exception(sprintf('Class "%s" does not exist', $controllerName), Response::HTTP_NOT_FOUND);
     }
     if (!method_exists($controllerName, strtoupper($method))) {
         throw new \Exception(sprintf('Method "%s" does not exist in class "%s"', $method, $controllerName), Response::HTTP_NOT_FOUND);
     }
     $controller = $this->serviceManager->load($controllerName);
     $params = $request->query();
     $params = ArrayUtils::merge($params, $request->post(), FALSE, TRUE);
     //        $params = ArrayUtils::merge($params, $request->attributes->all(), false, true);
     try {
         $mvcResponse = $this->serviceManager->call([$controller, $method], $params);
     } catch (ValidationError $error) {
         $method = $request->post('__PREVIOUS__', 'get');
         $mvcResponse = $this->serviceManager->call([$controller, strtolower($method)], $params);
     }
     if ($mvcResponse instanceof Response) {
         return $mvcResponse;
     }
     $mvcResponse = new DispatchResult($mvcResponse, $controllerName, $method);
     $result = $next($request);
     if ($result) {
         return $result;
     }
     return $mvcResponse;
 }
 /**
  * @param string $path
  * @param null   $default
  *
  * @return array|null
  */
 public function get($path, $default = NULL)
 {
     $item = ArrayUtils::getValueOrNull($path, $this->container);
     return $item ? $item : $default;
 }