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<?php |
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/** |
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* Spiral Framework. |
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* |
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* @license MIT |
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* @author Anton Titov (Wolfy-J) |
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*/ |
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namespace Spiral\Debug\Traits; |
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use Interop\Container\ContainerInterface; |
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use Psr\Log\LoggerInterface; |
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use Psr\Log\NullLogger; |
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use Spiral\Debug\LogsInterface; |
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/** |
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* On demand logger creation. Allows class to share same logger between instances. Logger trait work |
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* thought IoC scope! |
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*/ |
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trait LoggerTrait |
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{ |
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/** |
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* Private and null. |
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* |
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* @internal |
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* |
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* @var LoggerInterface|null |
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*/ |
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private $logger = null; |
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/** |
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* Sets a logger. |
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* |
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* @param LoggerInterface $logger |
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*/ |
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public function setLogger(LoggerInterface $logger) |
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{ |
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$this->logger = $logger; |
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} |
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/** |
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* Alias for "logger" function. |
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* |
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* @return LoggerInterface |
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*/ |
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protected function getLogger(): LoggerInterface |
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{ |
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return $this->logger(); |
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} |
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/** |
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* Get associated or create new instance of LoggerInterface. |
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* |
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* @return LoggerInterface |
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*/ |
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protected function logger(): LoggerInterface |
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{ |
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if (!empty($this->logger)) { |
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return $this->logger; |
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} |
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//We are using class name as log channel (name) by default |
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return $this->logger = $this->createLogger(); |
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} |
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/** |
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* @return ContainerInterface |
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*/ |
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abstract protected function iocContainer(); |
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/** |
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* Create new instance of associated logger (on demand creation). |
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* |
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* @return LoggerInterface |
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*/ |
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private function createLogger(): LoggerInterface |
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{ |
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$container = $this->iocContainer(); |
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if (empty($container) || !$container->has(LogsInterface::class)) { |
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return new NullLogger(); |
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} |
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//We are using class name as log channel (name) by default |
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return $container->get(LogsInterface::class)->getLogger(static::class); |
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} |
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} |
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spiral /
components
