/**
  * @param Application      $app
  * @param Controller       $controller
  * @param \ReflectionClass $controllerReflection
  * @param $controllerInstance
  */
 public static function methodInjections(Application $app, Controller $controller, \ReflectionClass $controllerReflection, $controllerInstance)
 {
     foreach ($controller->getMethods() as $method) {
         $methodReflection = $controllerReflection->getMethod($method->getName());
         $args = array();
         foreach ($method->getInjectionKeys() as $injectionKey) {
             if (isset($app[$injectionKey])) {
                 $args[] = $app[$injectionKey];
             }
         }
         $methodReflection->invokeArgs($controllerInstance, $args);
     }
 }