[DI][Config] Add & use ReflectionClassResource

Author: nicolas-grekas

DependencyInjection/Compiler/LoggingTranslatorPass.php

@@ -13,7 +13,10 @@
 
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
 use Symfony\Component\DependencyInjection\Reference;
+use Symfony\Component\Translation\TranslatorInterface;
+use Symfony\Component\Translation\TranslatorBagInterface;
 
 /**
  * @author Abdellatif Ait boudad <a.aitboudad@gmail.com>
@@ -31,7 +34,10 @@ public function process(ContainerBuilder $container)
             $definition = $container->getDefinition((string) $translatorAlias);
             $class = $container->getParameterBag()->resolveValue($definition->getClass());
 
-            if (is_subclass_of($class, 'Symfony\Component\Translation\TranslatorInterface') && is_subclass_of($class, 'Symfony\Component\Translation\TranslatorBagInterface')) {
+            if (!$r = $container->getReflectionClass($class)) {
+                throw new InvalidArgumentException(sprintf('Class "%s" used for service "%s" cannot be found.', $class, $translatorAlias));
+            }
+            if ($r->isSubclassOf(TranslatorInterface::class) && $r->isSubclassOf(TranslatorBagInterface::class)) {
                 $container->getDefinition('translator.logging')->setDecoratedService('translator');
                 $container->getDefinition('translation.warmer')->replaceArgument(0, new Reference('translator.logging.inner'));
             }

Tests/DependencyInjection/Compiler/LoggingTranslatorPassTest.php

@@ -54,6 +54,11 @@ public function testProcess()
             ->method('getParameterBag')
             ->will($this->returnValue($parameterBag));
 
+        $container->expects($this->once())
+            ->method('getReflectionClass')
+            ->with('Symfony\Bundle\FrameworkBundle\Translation\Translator')
+            ->will($this->returnValue(new \ReflectionClass('Symfony\Bundle\FrameworkBundle\Translation\Translator')));
+
         $pass = new LoggingTranslatorPass();
         $pass->process($container);
     }

composer.json

@@ -22,7 +22,7 @@
         "symfony/dependency-injection": "~3.3",
         "symfony/config": "~3.3",
         "symfony/event-dispatcher": "~3.3",
-        "symfony/http-foundation": "~3.1",
+        "symfony/http-foundation": "~3.3",
         "symfony/http-kernel": "~3.3",
         "symfony/polyfill-mbstring": "~1.0",
         "symfony/filesystem": "~2.8|~3.0",