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<?php |
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declare(strict_types=1); |
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namespace Arp\EventDispatcher\Listener; |
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use Arp\EventDispatcher\Listener\Exception\EventListenerException; |
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use Arp\EventDispatcher\Resolver\EventNameResolver; |
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use Arp\EventDispatcher\Resolver\EventNameResolverInterface; |
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use Arp\EventDispatcher\Resolver\Exception\EventNameResolverException; |
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class ListenerProvider implements AddableListenerProviderInterface |
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{ |
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/** |
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* @var array<ListenerCollectionInterface> |
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*/ |
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protected array $collections = []; |
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protected EventNameResolverInterface $eventNameResolver; |
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public function __construct(?EventNameResolverInterface $eventNameResolver = null) |
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{ |
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$this->eventNameResolver = $eventNameResolver ?? new EventNameResolver(); |
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} |
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/** |
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* @return iterable<callable>&ListenerCollectionInterface |
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* |
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* @throws EventListenerException |
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*/ |
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public function getListenersForEvent(object $event): iterable |
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{ |
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return $this->getOrCreateListenerCollection($event); |
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} |
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10 |
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/** |
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* @throws EventListenerException |
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*/ |
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public function addListenerForEvent(object|string $event, callable $listener, int $priority = 1): void |
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{ |
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$this->getOrCreateListenerCollection($event)->addListener($listener, $priority); |
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} |
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/** |
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* @throws EventListenerException If the $event name cannot be resolved. |
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*/ |
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public function addListenersForEvent(object|string $event, iterable $listeners, int $priority = 1): void |
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{ |
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$this->getOrCreateListenerCollection($event)->addListeners($listeners, $priority); |
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} |
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5 |
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/** |
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* @param array<callable> $listeners |
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* |
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* @return ListenerCollectionInterface<callable> |
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*/ |
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protected function createListenerCollection(array $listeners = []): ListenerCollectionInterface |
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{ |
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return new ListenerCollection($listeners); |
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} |
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/** |
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* @throws EventListenerException |
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*/ |
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private function getOrCreateListenerCollection(string|object $event): ListenerCollectionInterface |
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{ |
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try { |
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1 |
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$eventName = $this->eventNameResolver->resolveEventName($event); |
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1 |
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} catch (EventNameResolverException $e) { |
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1 |
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throw new EventListenerException( |
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1 |
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sprintf('Failed to resolve the event name : %s', $e->getMessage()), |
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$e->getCode(), |
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$e |
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); |
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} |
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7 |
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if (!isset($this->collections[$eventName])) { |
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$this->collections[$eventName] = $this->createListenerCollection(); |
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} |
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7 |
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return $this->collections[$eventName]; |
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} |
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} |
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alex-patterson-webdev /
event-dispatcher
