Drupal 8.0.0 beta 12. More info: https://www.drupal.org/node/2514176

core/modules/config_translation/src/Routing/RouteSubscriber.php

@@ -0,0 +1,60 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\config_translation\Routing\RouteSubscriber.
+ */
+
+namespace Drupal\config_translation\Routing;
+
+use Drupal\Core\Routing\RouteSubscriberBase;
+use Drupal\config_translation\ConfigMapperManagerInterface;
+use Drupal\Core\Routing\RoutingEvents;
+use Symfony\Component\Routing\RouteCollection;
+
+/**
+ * Listens to the dynamic route events.
+ */
+class RouteSubscriber extends RouteSubscriberBase {
+
+  /**
+   * The mapper plugin discovery service.
+   *
+   * @var \Drupal\config_translation\ConfigMapperManagerInterface
+   */
+  protected $mapperManager;
+
+  /**
+   * Constructs a new RouteSubscriber.
+   *
+   * @param \Drupal\config_translation\ConfigMapperManagerInterface $mapper_manager
+   *   The mapper plugin discovery service.
+   */
+  public function __construct(ConfigMapperManagerInterface $mapper_manager) {
+    $this->mapperManager = $mapper_manager;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function alterRoutes(RouteCollection $collection) {
+    $mappers = $this->mapperManager->getMappers($collection);
+
+    foreach ($mappers as $mapper) {
+      $collection->add($mapper->getOverviewRouteName(), $mapper->getOverviewRoute());
+      $collection->add($mapper->getAddRouteName(), $mapper->getAddRoute());
+      $collection->add($mapper->getEditRouteName(), $mapper->getEditRoute());
+      $collection->add($mapper->getDeleteRouteName(), $mapper->getDeleteRoute());
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function getSubscribedEvents() {
+    // Come after field_ui.
+    $events[RoutingEvents::ALTER] = array('onAlterRoutes', -110);
+    return $events;
+  }
+
+}