private function parseParameters(\ReflectionMethod $action)
    {
        $params = $action->getParameters();
        if (count($params) < 1) {
            return false;
        }
        
        $param = $params[0];
        assert($param instanceof \ReflectionParameter);
        if (! ($class = $param->getClass()) || $class->getName() != 'Nkey\Caribu\Mvc\Controller\Request') {
            return false;
        }
        
        return true;
    }