aleph1.co.uk Git - yaffs-website/blob - web/core/lib/Drupal/Core/Logger/LoggerChannelFactory.php

   1 <?php
   2
   3 namespace Drupal\Core\Logger;
   4
   5 use Psr\Log\LoggerInterface;
   6 use Symfony\Component\DependencyInjection\ContainerAwareInterface;
   7 use Symfony\Component\DependencyInjection\ContainerAwareTrait;
   8
   9 /**
  10  * Defines a factory for logging channels.
  11  */
  12 class LoggerChannelFactory implements LoggerChannelFactoryInterface, ContainerAwareInterface {
  13   use ContainerAwareTrait;
  14
  15   /**
  16    * Array of all instantiated logger channels keyed by channel name.
  17    *
  18    * @var \Drupal\Core\Logger\LoggerChannelInterface[]
  19    */
  20   protected $channels = [];
  21
  22   /**
  23    * An array of arrays of \Psr\Log\LoggerInterface keyed by priority.
  24    *
  25    * @var array
  26    */
  27   protected $loggers = [];
  28
  29   /**
  30    * {@inheritdoc}
  31    */
  32   public function get($channel) {
  33     if (!isset($this->channels[$channel])) {
  34       $instance = new LoggerChannel($channel);
  35
  36       // If we have a container set the request_stack and current_user services
  37       // on the channel. It is up to the channel to determine if there is a
  38       // current request.
  39       if ($this->container) {
  40         $instance->setRequestStack($this->container->get('request_stack'));
  41         $instance->setCurrentUser($this->container->get('current_user'));
  42       }
  43
  44       // Pass the loggers to the channel.
  45       $instance->setLoggers($this->loggers);
  46       $this->channels[$channel] = $instance;
  47     }
  48
  49     return $this->channels[$channel];
  50   }
  51
  52   /**
  53    * {@inheritdoc}
  54    */
  55   public function addLogger(LoggerInterface $logger, $priority = 0) {
  56     // Store it so we can pass it to potential new logger instances.
  57     $this->loggers[$priority][] = $logger;
  58     // Add the logger to already instantiated channels.
  59     foreach ($this->channels as $channel) {
  60       $channel->addLogger($logger, $priority);
  61     }
  62   }
  63
  64 }