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<?php |
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namespace Acelaya\ZsmAnnotatedServices\Factory; |
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use Acelaya\ZsmAnnotatedServices\Annotation\Inject; |
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use Acelaya\ZsmAnnotatedServices\Exception\RuntimeException; |
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use Doctrine\Common\Annotations\AnnotationReader; |
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use Doctrine\Common\Annotations\AnnotationRegistry; |
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use Doctrine\Common\Annotations\CachedReader; |
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use Doctrine\Common\Annotations\Reader; |
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use Doctrine\Common\Cache\Cache; |
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use Zend\ServiceManager\ServiceLocatorInterface; |
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abstract class AbstractAnnotatedFactory |
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{ |
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const CACHE_SERVICE = 'Acelaya\ZsmAnnotatedServices\Cache'; |
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/** |
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* @var Reader |
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*/ |
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private static $annotationReader; |
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protected function processDependenciesFromAnnotations(ServiceLocatorInterface $container, $serviceName) |
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{ |
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if (! class_exists($serviceName)) { |
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throw new RuntimeException(sprintf( |
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'Annotated factories can only be used with services that are identified by their FQCN. ' . |
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'Provided "%s" service name is not a valid class.', |
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$serviceName |
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)); |
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} |
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$annotationReader = $this->createAnnotationReader($container); |
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$refClass = new \ReflectionClass($serviceName); |
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$constructor = $refClass->getConstructor(); |
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if (! isset($constructor)) { |
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return new $serviceName(); |
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} |
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/** @var Inject $inject */ |
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$inject = $annotationReader->getMethodAnnotation($constructor, Inject::class); |
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if (! isset($inject)) { |
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throw new RuntimeException(sprintf( |
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'You need to use the "%s" annotation in "%s" constructor so that the "%s" can create it.', |
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Inject::class, |
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$serviceName, |
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static::class |
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)); |
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} |
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$services = []; |
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foreach ($inject->getServices() as $serviceKey) { |
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$parts = explode('.', $serviceKey); |
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$serviceKey = array_shift($parts); |
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if (! $container->has($serviceKey)) { |
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throw new RuntimeException(sprintf( |
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'Defined injectable service "%s" could not be found in container.', |
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$serviceKey |
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)); |
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} |
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$service = $container->get($serviceKey); |
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$services[] = empty($parts) ? $service : $this->readKeysFromArray($parts, $service); |
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} |
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// TODO use array unpacking instead of reflection when dropping PHP 5.5 support |
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// return new $serviceName(...$services); |
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return $refClass->newInstanceArgs($services); |
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} |
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/** |
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* @param ServiceLocatorInterface $container |
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* @return AnnotationReader|CachedReader |
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*/ |
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private function createAnnotationReader(ServiceLocatorInterface $container) |
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{ |
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if (isset(self::$annotationReader)) { |
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return self::$annotationReader; |
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} |
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AnnotationRegistry::registerLoader(function ($class) { |
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$file = str_replace('\\', DIRECTORY_SEPARATOR, $class) . '.php'; |
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$file = realpath(__DIR__ . '/../Annotation/' . basename($file)); |
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if (! $file) { |
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return false; |
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} |
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require_once $file; |
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return true; |
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}); |
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if (! $container->has(self::CACHE_SERVICE)) { |
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return self::$annotationReader = new AnnotationReader(); |
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} else { |
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/** @var Cache $cache */ |
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$cache = $container->get(self::CACHE_SERVICE); |
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return self::$annotationReader = new CachedReader(new AnnotationReader(), $cache); |
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} |
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} |
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/** |
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* @param array $keys |
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* @param array $array |
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* @return mixed|null |
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*/ |
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private function readKeysFromArray(array $keys, array $array) |
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{ |
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$key = array_shift($keys); |
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$value = isset($array[$key]) ? $array[$key] : null; |
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if (! empty($keys) && is_array($value)) { |
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$value = $this->readKeysFromArray($keys, $value); |
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} |
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return $value; |
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} |
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} |
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acelaya /
zsm-annotated-services
