annotate core/lib/Drupal/Core/DependencyInjection/ClassResolver.php @ 19:fa3358dc1485 tip

Add ndrum files
author Chris Cannam
date Wed, 28 Aug 2019 13:14:47 +0100
parents 4c8ae668cc8c
children
rev   line source
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 }