Version 1

[yaffs-website] / vendor / symfony / routing / Loader / ObjectRouteLoader.php

diff --git a/vendor/symfony/routing/Loader/ObjectRouteLoader.php b/vendor/symfony/routing/Loader/ObjectRouteLoader.php
new file mode 100644 (file)
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+++ b/vendor/symfony/routing/Loader/ObjectRouteLoader.php
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+<?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 ObjectRouteLoader 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.
+     *
+     * @param string $id
+     *
+     * @return object
+     */
+    abstract protected function getServiceObject($id);
+
+    /**
+     * Calls the service that will load the routes.
+     *
+     * @param mixed       $resource Some value that will resolve to a callable
+     * @param string|null $type     The resource type
+     *
+     * @return RouteCollection
+     */
+    public function load($resource, $type = null)
+    {
+        $parts = explode(':', $resource);
+        if (count($parts) != 2) {
+            throw new \InvalidArgumentException(sprintf('Invalid resource "%s" passed to the "service" route loader: use the format "service_name:methodName"', $resource));
+        }
+
+        $serviceString = $parts[0];
+        $method = $parts[1];
+
+        $loaderObject = $this->getServiceObject($serviceString);
+
+        if (!is_object($loaderObject)) {
+            throw new \LogicException(sprintf('%s:getServiceObject() must return an object: %s returned', get_class($this), gettype($loaderObject)));
+        }
+
+        if (!method_exists($loaderObject, $method)) {
+            throw new \BadMethodCallException(sprintf('Method "%s" not found on "%s" when importing routing resource "%s"', $method, get_class($loaderObject), $resource));
+        }
+
+        $routeCollection = call_user_func(array($loaderObject, $method), $this);
+
+        if (!$routeCollection instanceof RouteCollection) {
+            $type = is_object($routeCollection) ? get_class($routeCollection) : gettype($routeCollection);
+
+            throw new \LogicException(sprintf('The %s::%s method must return a RouteCollection: %s returned', get_class($loaderObject), $method, $type));
+        }
+
+        // make the service file tracked so that if it changes, the cache rebuilds
+        $this->addClassResource(new \ReflectionClass($loaderObject), $routeCollection);
+
+        return $routeCollection;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supports($resource, $type = null)
+    {
+        return 'service' === $type;
+    }
+
+    private function addClassResource(\ReflectionClass $class, RouteCollection $collection)
+    {
+        do {
+            if (is_file($class->getFileName())) {
+                $collection->addResource(new FileResource($class->getFileName()));
+            }
+        } while ($class = $class->getParentClass());
+    }
+}