Added support of custom handlers defined as services

src/Symfony/Bundle/MonologBundle/DependencyInjection/Configuration.php

@@ -52,6 +52,7 @@ class Configuration
                                     ->then(function($v) { return strtolower($v); })
                                 ->end()
                             ->end()
+                            ->scalarNode('id')->end()
                             ->scalarNode('level')->defaultValue('DEBUG')->end()
                             ->booleanNode('bubble')->defaultFalse()->end()
                             ->scalarNode('path')->end() // stream specific
@@ -65,6 +66,10 @@ class Configuration
                             ->ifTrue(function($v) { return 'fingerscrossed' === $v['type'] && !isset($v['handler']); })
                             ->thenInvalid('The handler has to be specified to use a FingersCrossedHandler')
                         ->end()
+                        ->validate()
+                            ->ifTrue(function($v) { return 'service' === $v['type'] && !isset($v['id']); })
+                            ->thenInvalid('The id has to be specified to use a service as handler')
+                        ->end()
                     ->end()
                 ->end()
             ->end()

src/Symfony/Bundle/MonologBundle/DependencyInjection/MonologExtension.php

@@ -81,6 +81,10 @@ class MonologExtension extends Extension
         $handler['level'] = is_int($handler['level']) ? $handler['level'] : constant('Monolog\Logger::'.strtoupper($handler['level']));
 
         switch ($handler['type']) {
+        case 'service':
+            $container->setAlias($handlerId, $handler['id']);
+            return $handlerId;
+
         case 'stream':
             if (!isset($handler['path'])) {
                 $handler['path'] = '%kernel.logs_dir%/%kernel.environment%.log';
@@ -108,6 +112,7 @@ class MonologExtension extends Extension
                 $handler['bubble'],
             ));
             break;
+
         default:
             // Handler using the constructor of AbstractHandler without adding their own arguments
             $definition->setArguments(array(

src/Symfony/Bundle/MonologBundle/Resources/config/schema/monolog-1.0.xsd

@@ -22,6 +22,7 @@
         <xsd:attribute name="level" type="level" />
         <xsd:attribute name="bubble" type="xsd:boolean" />
         <xsd:attribute name="path" type="xsd:string" />
+        <xsd:attribute name="id" type="xsd:string" />
         <xsd:attribute name="name" type="xsd:string" use="required">
         <xsd:attribute name="action-level" type="level" />
         <xsd:attribute name="buffer-size" type="xsd:integer" />