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<?php |
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namespace TacticianModule\Locator; |
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use League\Tactician\Exception\MissingHandlerException; |
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use League\Tactician\Handler\Locator\HandlerLocator; |
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use Zend\ServiceManager\Exception\ServiceNotFoundException; |
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use Zend\ServiceManager\ServiceLocatorInterface; |
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class ZendLocator implements HandlerLocator |
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{ |
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/** @var array */ |
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protected $handlerMap; |
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private $serviceLocator; |
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public function __construct(ServiceLocatorInterface $serviceLocator) |
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{ |
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$this->serviceLocator = $serviceLocator; |
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} |
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/** |
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* Retrieves the handler for a specified command |
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* |
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* @param string $commandName |
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* |
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* @return mixed |
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* |
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* @throws MissingHandlerException |
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*/ |
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public function getHandlerForCommand($commandName) |
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{ |
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if (!$this->commandExists($commandName)) { |
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throw MissingHandlerException::forCommand($commandName); |
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} |
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$serviceNameOrFQCN = $this->handlerMap[$commandName]; |
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try { |
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return $this->serviceLocator->get($serviceNameOrFQCN); |
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} catch (ServiceNotFoundException $e) { |
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// Further check exists for class availability. |
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// If not, Exception will be thrown anyway. |
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} |
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if (class_exists($serviceNameOrFQCN)) { |
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return new $serviceNameOrFQCN(); |
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} |
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throw MissingHandlerException::forCommand($commandName); |
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} |
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/** |
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* @param string $commandName |
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* @return bool |
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*/ |
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protected function commandExists($commandName) |
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{ |
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if (!$this->handlerMap) { |
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$this->handlerMap = $this->serviceLocator->get('config')['tactician']['handler-map']; |
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} |
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return isset($this->handlerMap[$commandName]); |
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} |
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} |
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mikemix /
TacticianModule
