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<?php
namespace Drupal\Core\Logger;
/**
* Wrapper methods for the logger factory service.
*
* This utility trait should only be used in application-level code, such as
* classes that would implement ContainerInjectionInterface. Services registered
* in the Container should not use this trait but inject the appropriate service
* directly for easier testing.
*
* @see \Drupal\Core\DependencyInjection\ContainerInjectionInterface
*/
trait LoggerChannelTrait {
/**
* The logger channel factory service.
*
* @var \Drupal\Core\Logger\LoggerChannelFactoryInterface
*/
protected $loggerFactory;
/**
* Gets the logger for a specific channel.
*
* @param string $channel
* The name of the channel. Can be any string, but the general practice is
* to use the name of the subsystem calling this.
*
* @return \Psr\Log\LoggerInterface
* The logger for the given channel.
*
* @todo Require the use of injected services:
* https://www.drupal.org/node/2733703
*/
protected function getLogger($channel) {
if (!$this->loggerFactory) {
$this->loggerFactory = \Drupal::service('logger.factory');
}
return $this->loggerFactory->get($channel);
}
/**
* Injects the logger channel factory.
*
* @param \Drupal\Core\Logger\LoggerChannelFactoryInterface $logger_factory
* The logger channel factory service.
*
* @return $this
*/
public function setLoggerFactory(LoggerChannelFactoryInterface $logger_factory) {
$this->loggerFactory = $logger_factory;
return $this;
}
}