feature sensiolabs#440 added support for ClassExistenceResource (fabpot)

This PR was merged into the 4.0.x-dev branch.

Discussion
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added support for ClassExistenceResource

depends on symfony/symfony#20121

Commits
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a1f987d added support for ClassExistenceResource

Author: fabpot

Diff for: DependencyInjection/SensioFrameworkExtraExtension.php

@@ -16,6 +16,9 @@
 use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\Config\FileLocator;
+use Symfony\Component\Config\Resource\ClassExistenceResource;
+use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
+use Symfony\Component\Security\Core\Authorization\ExpressionLanguage as SecurityExpressionLanguage;
 
 /**
  * @author Fabien Potencier <[email protected]>
@@ -42,7 +45,8 @@ public function load(array $configs, ContainerBuilder $container)
         if ($config['request']['converters']) {
             $annotationsToLoad[] = 'converters.xml';
 
-            if (class_exists('Symfony\Component\ExpressionLanguage\ExpressionLanguage')) {
+            $container->addResource(new ClassExistenceResource(ExpressionLanguage::class));
+            if (class_exists(ExpressionLanguage::class)) {
                 $container->setAlias('sensio_framework_extra.converter.doctrine.orm.expression_language', new Alias('sensio_framework_extra.converter.doctrine.orm.expression_language.default', false));
             } else {
                 $container->removeDefinition('sensio_framework_extra.converter.doctrine.orm.expression_language.default');
@@ -78,7 +82,8 @@ public function load(array $configs, ContainerBuilder $container)
         if ($config['security']['annotations']) {
             $annotationsToLoad[] = 'security.xml';
 
-            if (class_exists('Symfony\Component\ExpressionLanguage\ExpressionLanguage') && class_exists('Symfony\Component\Security\Core\Authorization\ExpressionLanguage')) {
+            $container->addResource(new ClassExistenceResource(SecurityExpressionLanguage::class));
+            if (class_exists(ExpressionLanguage::class) && class_exists(SecurityExpressionLanguage::class)) {
                 $container->setAlias('sensio_framework_extra.security.expression_language', new Alias($config['security']['expression_language'], false));
             } else {
                 $container->removeDefinition('sensio_framework_extra.security.expression_language.default');

Diff for: composer.json

@@ -11,6 +11,7 @@
         }
     ],
     "require": {
+        "symfony/config": "^3.2",
         "symfony/framework-bundle": "^3.1",
         "symfony/dependency-injection": "~3.0",
         "symfony/http-kernel": "^3.1",