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annotate core/lib/Drupal/Core/DependencyInjection/ClassResolver.php @ 19:fa3358dc1485 tip
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author | Chris Cannam |
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date | Wed, 28 Aug 2019 13:14:47 +0100 |
parents | 4c8ae668cc8c |
children |
rev | line source |
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Chris@0 | 1 <?php |
Chris@0 | 2 |
Chris@0 | 3 namespace Drupal\Core\DependencyInjection; |
Chris@0 | 4 |
Chris@0 | 5 use Symfony\Component\DependencyInjection\ContainerAwareTrait; |
Chris@0 | 6 use Symfony\Component\DependencyInjection\ContainerAwareInterface; |
Chris@0 | 7 |
Chris@0 | 8 /** |
Chris@0 | 9 * Implements the class resolver interface supporting class names and services. |
Chris@0 | 10 */ |
Chris@0 | 11 class ClassResolver implements ClassResolverInterface, ContainerAwareInterface { |
Chris@0 | 12 use DependencySerializationTrait; |
Chris@0 | 13 use ContainerAwareTrait; |
Chris@0 | 14 |
Chris@0 | 15 /** |
Chris@0 | 16 * {@inheritdoc} |
Chris@0 | 17 */ |
Chris@0 | 18 public function getInstanceFromDefinition($definition) { |
Chris@0 | 19 if ($this->container->has($definition)) { |
Chris@0 | 20 $instance = $this->container->get($definition); |
Chris@0 | 21 } |
Chris@0 | 22 else { |
Chris@0 | 23 if (!class_exists($definition)) { |
Chris@0 | 24 throw new \InvalidArgumentException(sprintf('Class "%s" does not exist.', $definition)); |
Chris@0 | 25 } |
Chris@0 | 26 |
Chris@0 | 27 if (is_subclass_of($definition, 'Drupal\Core\DependencyInjection\ContainerInjectionInterface')) { |
Chris@0 | 28 $instance = $definition::create($this->container); |
Chris@0 | 29 } |
Chris@0 | 30 else { |
Chris@0 | 31 $instance = new $definition(); |
Chris@0 | 32 } |
Chris@0 | 33 } |
Chris@0 | 34 |
Chris@0 | 35 if ($instance instanceof ContainerAwareInterface) { |
Chris@0 | 36 $instance->setContainer($this->container); |
Chris@0 | 37 } |
Chris@0 | 38 |
Chris@0 | 39 return $instance; |
Chris@0 | 40 } |
Chris@0 | 41 |
Chris@0 | 42 } |