1 <?php

     2 

     3 /*

     4  * This file is part of the Symfony package.

     5  *

     6  * (c) Fabien Potencier <fabien@symfony.com>

     7  *

     8  * For the full copyright and license information, please view the LICENSE

     9  * file that was distributed with this source code.

    10  */

    11 

    12 namespace Symfony\Bundle\MonologBundle\DependencyInjection\Compiler;

    13 

    14 use Symfony\Component\DependencyInjection\Reference;

    15 use Symfony\Component\DependencyInjection\ContainerBuilder;

    16 use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;

    17 use Symfony\Component\DependencyInjection\DefinitionDecorator;

    18 

    19 /**

    20  * Replaces the default logger by another one with its own channel for tagged services.

    21  *

    22  * @author Christophe Coevoet <stof@notk.org>

    23  */

    24 class LoggerChannelPass implements CompilerPassInterface

    25 {

    26     protected $channels = array();

    27 

    28     public function process(ContainerBuilder $container)

    29     {

    30         if (!$container->hasDefinition('monolog.logger')) {

    31             return;

    32         }

    33 

    34         foreach ($container->findTaggedServiceIds('monolog.logger') as $id => $tags) {

    35             foreach ($tags as $tag) {

    36                 if (!empty($tag['channel']) && 'app' !== $tag['channel']) {

    37                     $definition = $container->getDefinition($id);

    38                     $loggerId = sprintf('monolog.logger.%s', $tag['channel']);

    39                     $this->createLogger($tag['channel'], $loggerId, $container);

    40                     foreach ($definition->getArguments() as $index => $argument) {

    41                         if ($argument instanceof Reference && 'logger' === (string) $argument) {

    42                             $definition->replaceArgument($index, new Reference($loggerId, $argument->getInvalidBehavior(), $argument->isStrict()));

    43                         }

    44                     }

    45                 }

    46             }

    47         }

    48     }

    49 

    50     protected function createLogger($channel, $loggerId, ContainerBuilder $container)

    51     {

    52         if (!in_array($channel, $this->channels)) {

    53             $logger = new DefinitionDecorator('monolog.logger_prototype');

    54             $logger->replaceArgument(0, $channel);

    55             $container->setDefinition($loggerId, $logger);

    56             $this->channels[] = $channel;

    57         }

    58     }

    59 }