Issue #2229183 by martin107, dawehner: Use ContainerAwareTrait instead of extending ContainerAware.

core/core.services.yml

@@ -183,6 +183,10 @@ services:
     arguments: [ '%container.namespaces%' ]
     tags:
       - { name: persist }
+  container.trait:
+    abstract: true
+    calls:
+      - [setContainer, ['@service_container']]
   default_plugin_manager:
     abstract: true
     arguments: ['@container.namespaces', '@cache.discovery', '@language_manager', '@module_handler']
@@ -194,7 +198,8 @@ services:
     arguments: ['@config.factory', '@module_handler', '@cache.default', '@info_parser', '@config.installer', '@router.builder']
   entity.manager:
     class: Drupal\Core\Entity\EntityManager
-    arguments: ['@container.namespaces', '@service_container', '@module_handler', '@cache.discovery', '@language_manager', '@string_translation']
+    arguments: ['@container.namespaces', '@module_handler', '@cache.discovery', '@language_manager', '@string_translation']
+    parent: container.trait
     tags:
       - { name: plugin_manager_cache_clear }
   entity.form_builder:
@@ -239,13 +244,14 @@ services:
     arguments: ['@service_container']
   controller_resolver:
     class: Drupal\Core\Controller\ControllerResolver
-    arguments: ['@service_container']
+    parent: container.trait
   title_resolver:
     class: Drupal\Core\Controller\TitleResolver
     arguments: ['@controller_resolver', '@string_translation']
   http_kernel:
     class: Drupal\Core\HttpKernel
-    arguments: ['@event_dispatcher', '@service_container', '@controller_resolver', '@request_stack']
+    arguments: ['@event_dispatcher', '@controller_resolver', '@request_stack']
+    parent: container.trait
   language_manager:
     class: Drupal\Core\Language\LanguageManager
     arguments: ['@language.default']
@@ -431,7 +437,8 @@ services:
       - { name: event_subscriber }
   route_content_form_controller_subscriber:
     class: Drupal\Core\EventSubscriber\ContentFormControllerSubscriber
-    arguments: ['@service_container', '@controller_resolver', '@form_builder']
+    arguments: ['@controller_resolver', '@form_builder']
+    parent: container.trait
     tags:
       - { name: event_subscriber }
   route_special_attributes_subscriber:

core/lib/Drupal/Core/Access/AccessManager.php

@@ -16,7 +16,8 @@ use Drupal\Core\Session\AccountInterface;
 use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
 use Symfony\Component\Routing\RouteCollection;
 use Symfony\Component\Routing\Route;
-use Symfony\Component\DependencyInjection\ContainerAware;
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerAwareTrait;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\Routing\Exception\RouteNotFoundException;
 use Symfony\Cmf\Component\Routing\RouteObjectInterface;
@@ -26,7 +27,9 @@ use Symfony\Cmf\Component\Routing\RouteObjectInterface;
  *
  * @see \Drupal\Tests\Core\Access\AccessManagerTest
  */
-class AccessManager extends ContainerAware {
+class AccessManager implements ContainerAwareInterface {
+
+  use ContainerAwareTrait;
 
   /**
    * Array of registered access check service ids.

core/lib/Drupal/Core/Cache/CacheFactory.php

@@ -11,10 +11,13 @@ namespace Drupal\Core\Cache;
  * Defines the cache backend factory.
  */
 use Drupal\Component\Utility\Settings;
-use Symfony\Component\DependencyInjection\ContainerAware;
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerAwareTrait;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 
-class CacheFactory extends ContainerAware implements CacheFactoryInterface {
+class CacheFactory implements CacheFactoryInterface,  ContainerAwareInterface {
+
+  use ContainerAwareTrait;
 
   /**
    * The settings array.

core/lib/Drupal/Core/Controller/AjaxController.php

@@ -8,13 +8,16 @@
 namespace Drupal\Core\Controller;
 
 use Drupal\Core\Ajax\AjaxResponseRenderer;
-use Symfony\Component\DependencyInjection\ContainerAware;
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerAwareTrait;
 use Symfony\Component\HttpFoundation\Request;
 
 /**
  * Default controller for Ajax requests.
  */
-class AjaxController extends ContainerAware {
+class AjaxController implements ContainerAwareInterface {
+
+  use ContainerAwareTrait;
 
   /**
    * The controller resolver.

core/lib/Drupal/Core/Controller/ControllerResolver.php

@@ -11,7 +11,7 @@ use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpKernel\Controller\ControllerResolver as BaseControllerResolver;
 use Symfony\Component\HttpKernel\Log\LoggerInterface;
 use Symfony\Component\DependencyInjection\ContainerAwareInterface;
-use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\DependencyInjection\ContainerAwareTrait;
 
 /**
  * ControllerResolver to enhance controllers beyond Symfony's basic handling.
@@ -28,14 +28,9 @@ use Symfony\Component\DependencyInjection\ContainerInterface;
  *    controller by using a service:method notation (Symfony uses the same
  *    convention).
  */
-class ControllerResolver extends BaseControllerResolver implements ControllerResolverInterface {
+class ControllerResolver extends BaseControllerResolver implements ControllerResolverInterface, ContainerAwareInterface {
 
-  /**
-   * The injection container that should be injected into all controllers.
-   *
-   * @var \Symfony\Component\DependencyInjection\ContainerInterface
-   */
-  protected $container;
+   use ContainerAwareTrait;
 
   /**
    * The PSR-3 logger. (optional)
@@ -47,14 +42,10 @@ class ControllerResolver extends BaseControllerResolver implements ControllerRes
   /**
    * Constructs a new ControllerResolver.
    *
-   * @param \Symfony\Component\DependencyInjection\ContainerInterface $container
-   *   A ContainerInterface instance.
    * @param \Symfony\Component\HttpKernel\Log\LoggerInterface $logger
    *   (optional) A LoggerInterface instance.
    */
-  public function __construct(ContainerInterface $container, LoggerInterface $logger = NULL) {
-    $this->container = $container;
-
+  public function __construct(LoggerInterface $logger = NULL) {
     parent::__construct($logger);
   }
 

core/lib/Drupal/Core/Entity/EntityManager.php

@@ -24,7 +24,8 @@ use Drupal\Core\Plugin\Discovery\AnnotatedClassDiscovery;
 use Drupal\Core\Plugin\Discovery\InfoHookDecorator;
 use Drupal\Core\StringTranslation\TranslationInterface;
 use Drupal\Core\TypedData\TranslatableInterface;
-use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerAwareTrait;
 
 /**
  * Manages entity type plugin definitions.
@@ -40,7 +41,9 @@ use Symfony\Component\DependencyInjection\ContainerInterface;
  * @see \Drupal\Core\Entity\EntityTypeInterface
  * @see hook_entity_type_alter()
  */
-class EntityManager extends PluginManagerBase implements EntityManagerInterface {
+class EntityManager extends PluginManagerBase implements EntityManagerInterface, ContainerAwareInterface  {
+
+  use ContainerAwareTrait;
 
   /**
    * Extra fields by bundle.
@@ -49,13 +52,6 @@ class EntityManager extends PluginManagerBase implements EntityManagerInterface
    */
   protected $extraFields = array();
 
-  /**
-   * The injection container that should be passed into the controller factory.
-   *
-   * @var \Symfony\Component\DependencyInjection\ContainerInterface
-   */
-  protected $container;
-
   /**
    * Contains instantiated controllers keyed by controller type and entity type.
    *
@@ -144,8 +140,6 @@ class EntityManager extends PluginManagerBase implements EntityManagerInterface
    * @param \Traversable $namespaces
    *   An object that implements \Traversable which contains the root paths
    *   keyed by the corresponding namespace to look for plugin implementations,
-   * @param \Symfony\Component\DependencyInjection\ContainerInterface $container
-   *   The service container this object should use.
    * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
    *   The module handler.
    * @param \Drupal\Core\Cache\CacheBackendInterface $cache
@@ -155,7 +149,7 @@ class EntityManager extends PluginManagerBase implements EntityManagerInterface
    * @param \Drupal\Core\StringTranslation\TranslationInterface $translation_manager
    *   The string translationManager.
    */
-  public function __construct(\Traversable $namespaces, ContainerInterface $container, ModuleHandlerInterface $module_handler, CacheBackendInterface $cache, LanguageManager $language_manager, TranslationInterface $translation_manager) {
+  public function __construct(\Traversable $namespaces, ModuleHandlerInterface $module_handler, CacheBackendInterface $cache, LanguageManager $language_manager, TranslationInterface $translation_manager) {
     // Allow the plugin definition to be altered by hook_entity_type_alter().
 
     $this->moduleHandler = $module_handler;
@@ -169,7 +163,6 @@ class EntityManager extends PluginManagerBase implements EntityManagerInterface
     $this->discovery = new AlterDecorator($this->discovery, 'entity_type');
     $this->discovery = new CacheDecorator($this->discovery, 'entity_type:' . $this->languageManager->getCurrentLanguage()->id, 'discovery', Cache::PERMANENT, array('entity_types' => TRUE));
 
-    $this->container = $container;
   }
 
   /**

core/lib/Drupal/Core/Entity/Query/QueryFactory.php

@@ -8,12 +8,15 @@
 namespace Drupal\Core\Entity\Query;
 
 use Drupal\Core\Entity\EntityManagerInterface;
-use Symfony\Component\DependencyInjection\ContainerAware;
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerAwareTrait;
 
 /**
  * Factory class Creating entity query objects.
  */
-class QueryFactory extends ContainerAware {
+class QueryFactory implements ContainerAwareInterface {
+
+  use ContainerAwareTrait;
 
   /**
    * Stores the entity manager used by the query.

core/lib/Drupal/Core/EventSubscriber/ContentFormControllerSubscriber.php

@@ -13,19 +13,15 @@ use Drupal\Core\Form\FormBuilderInterface;
 use Symfony\Component\HttpKernel\Event\GetResponseEvent;
 use Symfony\Component\HttpKernel\KernelEvents;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
-use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerAwareTrait;
 
 /**
  * Subscriber for setting wrapping form logic.
  */
-class ContentFormControllerSubscriber implements EventSubscriberInterface {
+class ContentFormControllerSubscriber implements EventSubscriberInterface, ContainerAwareInterface {
 
-  /**
-   * The service container.
-   *
-   * @var \Symfony\Component\DependencyInjection\ContainerInterface
-   */
-  protected $container;
+  use ContainerAwareTrait;
 
   /**
    * The controller resolver.
@@ -44,15 +40,12 @@ class ContentFormControllerSubscriber implements EventSubscriberInterface {
   /**
    * Constructs a new ContentFormControllerSubscriber object.
    *
-   * @param \Symfony\Component\DependencyInjection\ContainerInterface $container
-   *   The service container.
    * @param \Drupal\Core\Controller\ControllerResolverInterface $resolver
    *   The controller resolver.
    * @param \Drupal\Core\Form\FormBuilderInterface $form_builder
    *   The form builder.
    */
-  public function __construct(ContainerInterface $container, ControllerResolverInterface $resolver, FormBuilderInterface $form_builder) {
-    $this->container = $container;
+  public function __construct(ControllerResolverInterface $resolver, FormBuilderInterface $form_builder) {
     $this->resolver = $resolver;
     $this->formBuilder = $form_builder;
   }

core/lib/Drupal/Core/EventSubscriber/KernelDestructionSubscriber.php

@@ -6,8 +6,8 @@
  */
 
 namespace Drupal\Core\EventSubscriber;
-
-use Symfony\Component\DependencyInjection\ContainerAware;
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerAwareTrait;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 use Symfony\Component\HttpKernel\Event\PostResponseEvent;
 use Symfony\Component\HttpKernel\KernelEvents;
@@ -15,8 +15,9 @@ use Symfony\Component\HttpKernel\KernelEvents;
 /**
  * Destructs services that are initiated and tagged with "needs_destruction".
  */
-class KernelDestructionSubscriber extends ContainerAware implements EventSubscriberInterface {
+class KernelDestructionSubscriber implements EventSubscriberInterface, ContainerAwareInterface {
 
+  use ContainerAwareTrait;
   /**
    * Holds an array of service ID's that will require destruction.
    *

core/lib/Drupal/Core/HttpKernel.php

@@ -14,14 +14,12 @@ namespace Drupal\Core;
 
 use Symfony\Cmf\Component\Routing\RouteObjectInterface;
 use Symfony\Component\HttpFoundation\Request;
-use Symfony\Component\HttpFoundation\RequestStack;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpFoundation\StreamedResponse;
 use Symfony\Component\HttpKernel\HttpKernelInterface;
-use Symfony\Component\HttpKernel\Controller\ControllerResolverInterface;
-use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\HttpKernel\HttpKernel as BaseHttpKernel;
-use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerAwareTrait;
 
 /**
  * This HttpKernel is used to manage scope changes of the DI container.
@@ -29,31 +27,12 @@ use Symfony\Component\EventDispatcher\EventDispatcherInterface;
  * @author Fabien Potencier <fabien@symfony.com>
  * @author Johannes M. Schmitt <schmittjoh@gmail.com>
  */
-class HttpKernel extends BaseHttpKernel
-{
-    protected $container;
+class HttpKernel extends BaseHttpKernel implements ContainerAwareInterface {
+
+    use ContainerAwareTrait;
 
     private $esiSupport;
 
-  /**
-   * Constructs a new HttpKernel.
-   *
-   * @param \Symfony\Component\EventDispatcher\EventDispatcherInterface $dispatcher
-   *   The event dispatcher.
-   * @param \Symfony\Component\DependencyInjection\ContainerInterface $container
-   *   The dependency injection container.
-   * @param \Symfony\Component\HttpKernel\Controller\ControllerResolverInterface $controller_resolver
-   *   The controller resolver.
-   * @param \Symfony\Component\HttpFoundation\RequestStack $request_stack
-   *   The request stack.
-   */
-    public function __construct(EventDispatcherInterface $dispatcher, ContainerInterface $container, ControllerResolverInterface $controller_resolver, RequestStack $request_stack = NULL)
-    {
-        parent::__construct($dispatcher, $controller_resolver, $request_stack);
-
-        $this->container = $container;
-    }
-
     public function handle(Request $request, $type = HttpKernelInterface::MASTER_REQUEST, $catch = true)
     {
         $request->headers->set('X-Php-Ob-Level', ob_get_level());

core/lib/Drupal/Core/ParamConverter/ParamConverterManager.php

@@ -7,7 +7,8 @@
 
 namespace Drupal\Core\ParamConverter;
 
-use Symfony\Component\DependencyInjection\ContainerAware;
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerAwareTrait;
 use Symfony\Cmf\Component\Routing\RouteObjectInterface;
 use Symfony\Component\Routing\RouteCollection;
 use Symfony\Component\HttpFoundation\Request;
@@ -18,7 +19,9 @@ use Symfony\Component\HttpFoundation\Request;
  * A typical use case for this would be upcasting (converting) a node id to a
  * node entity.
  */
-class ParamConverterManager extends ContainerAware implements ParamConverterManagerInterface {
+class ParamConverterManager implements ParamConverterManagerInterface, ContainerAwareInterface {
+
+  use ContainerAwareTrait;
 
   /**
    * An array of registered converter service ids.

core/lib/Drupal/Core/Queue/QueueFactory.php

@@ -8,12 +8,15 @@
 namespace Drupal\Core\Queue;
 
 use Drupal\Component\Utility\Settings;
-use Symfony\Component\DependencyInjection\ContainerAware;
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerAwareTrait;
 
 /**
  * Defines the queue factory.
  */
-class QueueFactory extends ContainerAware {
+class QueueFactory implements ContainerAwareInterface {
+
+  use ContainerAwareTrait;
 
   /**
    * Instantiated queues, keyed by name.

core/modules/contextual/lib/Drupal/contextual/ContextualController.php

@@ -7,7 +7,8 @@
 
 namespace Drupal\contextual;
 
-use Symfony\Component\DependencyInjection\ContainerAware;
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerAwareTrait;
 use Symfony\Component\HttpFoundation\JsonResponse;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
@@ -16,7 +17,9 @@ use Drupal\Core\Entity\EntityInterface;
 /**
  * Returns responses for Contextual module routes.
  */
-class ContextualController extends ContainerAware {
+class ContextualController implements ContainerAwareInterface {
+
+  use ContainerAwareTrait;
 
   /**
    * Returns the requested rendered contextual links.

core/modules/rest/lib/Drupal/rest/RequestHandler.php

@@ -8,7 +8,8 @@
 namespace Drupal\rest;
 
 use Symfony\Cmf\Component\Routing\RouteObjectInterface;
-use Symfony\Component\DependencyInjection\ContainerAware;
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerAwareTrait;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpKernel\Exception\HttpException;
@@ -18,7 +19,9 @@ use Symfony\Component\Serializer\Exception\UnexpectedValueException;
 /**
  * Acts as intermediate request forwarder for resource plugins.
  */
-class RequestHandler extends ContainerAware {
+class RequestHandler implements ContainerAwareInterface {
+
+  use ContainerAwareTrait;
 
   /**
    * Handles a web API request.

core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php

@@ -13,7 +13,6 @@ use Drupal\Core\KeyValueStore\KeyValueMemoryFactory;
 use Drupal\Core\Language\Language;
 use Symfony\Component\DependencyInjection\Reference;
 use Drupal\Core\Database\Database;
-use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\HttpFoundation\Request;
 
 /**

core/modules/system/tests/modules/theme_test/lib/Drupal/theme_test/EventSubscriber/ThemeTestSubscriber.php

@@ -7,7 +7,6 @@
 
 namespace Drupal\theme_test\EventSubscriber;
 
-use Symfony\Component\DependencyInjection\ContainerAware;
 use Symfony\Component\HttpKernel\KernelEvents;
 use Symfony\Component\HttpKernel\Event\GetResponseEvent;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
@@ -15,7 +14,7 @@ use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 /**
  * Theme test subscriber for controller requests.
  */
-class ThemeTestSubscriber extends ContainerAware implements EventSubscriberInterface {
+class ThemeTestSubscriber implements EventSubscriberInterface {
 
   /**
    * The used container.
@@ -24,6 +23,7 @@ class ThemeTestSubscriber extends ContainerAware implements EventSubscriberInter
    */
   protected $container;
 
+
   /**
    * Generates themed output early in a page request.
    *

core/tests/Drupal/Tests/Core/Controller/ControllerResolverTest.php

@@ -59,7 +59,8 @@ class ControllerResolverTest extends UnitTestCase {
     parent::setUp();
 
     $this->container = new ContainerBuilder();
-    $this->controllerResolver = new ControllerResolver($this->container);
+    $this->controllerResolver = new ControllerResolver();
+    $this->controllerResolver->setContainer($this->container);
   }
 
   /**

core/tests/Drupal/Tests/Core/Entity/EntityManagerTest.php

@@ -149,7 +149,8 @@ class EntityManagerTest extends UnitTestCase {
       ->method('getDefinitions')
       ->will($this->returnValue($definitions));
 
-    $this->entityManager = new TestEntityManager(new \ArrayObject(), $this->container, $this->moduleHandler, $this->cache, $this->languageManager, $this->translationManager, $this->formBuilder);
+    $this->entityManager = new TestEntityManager(new \ArrayObject(), $this->moduleHandler, $this->cache, $this->languageManager, $this->translationManager, $this->formBuilder);
+    $this->entityManager->setContainer($this->container);
     $this->entityManager->setDiscovery($this->discovery);
   }
 

core/tests/Drupal/Tests/Core/HttpKernelTest.php

@@ -46,9 +46,11 @@ class HttpKernelTest extends UnitTestCase {
     $container->set('request', $request, 'request');
 
     $dispatcher = new EventDispatcher();
-    $controller_resolver = new ControllerResolver($container);
+    $controller_resolver = new ControllerResolver();
+    $controller_resolver->setContainer($container);
 
-    $http_kernel = new HttpKernel($dispatcher, $container, $controller_resolver);
+    $http_kernel = new HttpKernel($dispatcher, $controller_resolver);
+    $http_kernel->setContainer($container);
 
     $test_controller = '\Drupal\Tests\Core\Controller\TestController';
     $random_attribute = $this->randomName();