vendor/symfony/routing/Loader/ObjectLoader.php line 36
<?php/** This file is part of the Symfony package.** (c) Fabien Potencier <fabien@symfony.com>** For the full copyright and license information, please view the LICENSE* file that was distributed with this source code.*/namespace Symfony\Component\Routing\Loader;use Symfony\Component\Config\Loader\Loader;use Symfony\Component\Config\Resource\FileResource;use Symfony\Component\Routing\RouteCollection;/*** A route loader that calls a method on an object to load the routes.** @author Ryan Weaver <ryan@knpuniversity.com>*/abstract class ObjectLoader extends Loader{/*** Returns the object that the method will be called on to load routes.** For example, if your application uses a service container,* the $id may be a service id.*/abstract protected function getObject(string $id): object;/*** Calls the object method that will load the routes.*/public function load(mixed $resource, string $type = null): RouteCollection{if (!preg_match('/^[^\:]+(?:::(?:[^\:]+))?$/', $resource)) {throw new \InvalidArgumentException(sprintf('Invalid resource "%s" passed to the %s route loader: use the format "object_id::method" or "object_id" if your object class has an "__invoke" method.', $resource, \is_string($type) ? '"'.$type.'"' : 'object'));}$parts = explode('::', $resource);$method = $parts[1] ?? '__invoke';$loaderObject = $this->getObject($parts[0]);if (!\is_object($loaderObject)) {throw new \TypeError(sprintf('"%s:getObject()" must return an object: "%s" returned.', static::class, get_debug_type($loaderObject)));}if (!\is_callable([$loaderObject, $method])) {throw new \BadMethodCallException(sprintf('Method "%s" not found on "%s" when importing routing resource "%s".', $method, get_debug_type($loaderObject), $resource));}$routeCollection = $loaderObject->$method($this, $this->env);if (!$routeCollection instanceof RouteCollection) {$type = get_debug_type($routeCollection);throw new \LogicException(sprintf('The "%s::%s()" method must return a RouteCollection: "%s" returned.', get_debug_type($loaderObject), $method, $type));}// make the object file tracked so that if it changes, the cache rebuilds$this->addClassResource(new \ReflectionClass($loaderObject), $routeCollection);return $routeCollection;}private function addClassResource(\ReflectionClass $class, RouteCollection $collection){do {if (is_file($class->getFileName())) {$collection->addResource(new FileResource($class->getFileName()));}} while ($class = $class->getParentClass());}}