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<?php |
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/** |
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* TechDivision\Import\Events\EmitterFactory |
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* |
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* NOTICE OF LICENSE |
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* |
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* This source file is subject to the Open Software License (OSL 3.0) |
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* that is available through the world-wide-web at this URL: |
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* http://opensource.org/licenses/osl-3.0.php |
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* |
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* PHP version 5 |
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* |
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* @author Tim Wagner <[email protected]> |
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* @copyright 2016 TechDivision GmbH <[email protected]> |
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* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0) |
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* @link https://github.com/techdivision/import |
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* @link http://www.techdivision.com |
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*/ |
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namespace TechDivision\Import\Events; |
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use League\Event\Emitter; |
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use League\Event\EmitterInterface; |
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use TechDivision\Import\ConfigurationInterface; |
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use Symfony\Component\DependencyInjection\TaggedContainerInterface; |
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/** |
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* A factory implementation to create a new event emitter instance. |
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* |
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* @author Tim Wagner <[email protected]> |
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* @copyright 2016 TechDivision GmbH <[email protected]> |
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* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0) |
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* @link https://github.com/techdivision/import |
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* @link http://www.techdivision.com |
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*/ |
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class EmitterFactory |
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{ |
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/** |
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* The configuration instance. |
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* |
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* @var \TechDivision\Import\ConfigurationInterface |
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*/ |
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protected $configuration; |
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/** |
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* The DI container builder instance. |
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* |
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* @var \Symfony\Component\DependencyInjection\TaggedContainerInterface |
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*/ |
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protected $container; |
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/** |
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* The constructor to initialize the instance. |
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* |
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* @param \TechDivision\Import\ConfigurationInterface $configuration The configuration instance |
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* @param \Symfony\Component\DependencyInjection\TaggedContainerInterface $container The container instance |
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*/ |
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public function __construct(ConfigurationInterface $configuration, TaggedContainerInterface $container) |
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{ |
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$this->container = $container; |
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$this->configuration = $configuration; |
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} |
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/** |
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* The factory method that creates a new emitter instance. |
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* |
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* @return void |
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*/ |
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public function createEmitter() |
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{ |
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// initialize the event emitter |
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$emitter = new Emitter(); |
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// load, initialize and add the configured listeners to the emitter |
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foreach ($this->configuration->getListeners() as $listeners) { |
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$this->prepareListeners($emitter, $listeners); |
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} |
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// return the initialized emitter instance |
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return $emitter; |
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} |
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/** |
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* Prepare the listeners defined in the system configuration. |
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* |
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* @param \League\Event\EmitterInterface $emitter The event emitter to prepare the listeners for |
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* @param array $listeners The array with the listeners |
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* @param string $eventName The actual event name |
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* |
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* @return void |
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*/ |
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protected function prepareListeners(EmitterInterface $emitter, array $listeners, $eventName = null) |
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{ |
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// iterate over the array with listeners and prepare them |
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foreach ($listeners as $key => $listener) { |
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// we have to initialize the event name only on the first level |
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if ($eventName == null) { |
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$eventName = $key; |
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} |
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// query whether or not we've an subarray or not |
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if (is_array($listener)) { |
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$this->prepareListeners($emitter, $listener, $eventName); |
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} else { |
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$emitter->addListener($eventName, $this->container->get($listener)); |
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} |
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} |
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} |
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} |
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techdivision /
import
