/**
  * Validate host if exists.
  *
  * @param Route          $route
  * @param RequestContext $request
  *
  * @return bool
  */
 public function match(Route $route, RequestContext $request)
 {
     if (false === $route->getDomain()->hasDomain()) {
         return true;
     }
     return (string) $route->getDomain() === $request->getHost();
 }