refactored the listeners management

src/Symfony/Framework/WebBundle/Listener/ResponseFilter.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Symfony\Framework\WebBundle\Listener;
+namespace Symfony\Components\HttpKernel\Listener;
 
 use Symfony\Components\EventDispatcher\EventDispatcher;
 use Symfony\Components\EventDispatcher\Event;
@@ -26,18 +26,22 @@ use Symfony\Components\HttpKernel\HttpKernelInterface;
  */
 class ResponseFilter
 {
-    protected $dispatcher;
-
-    public function __construct(EventDispatcher $dispatcher)
-    {
-        $this->dispatcher = $dispatcher;
-    }
-
-    public function register()
+    /**
+     * Registers a core.response listener to change the Content-Type header based on the Request format.
+     *
+     * @param Symfony\Components\EventDispatcher\EventDispatcher $dispatcher An EventDispatcher instance
+     */
+    public function register(EventDispatcher $dispatcher)
     {
-        $this->dispatcher->connect('core.response', array($this, 'filter'));
+        $dispatcher->connect('core.response', array($this, 'filter'));
     }
 
+    /**
+     * Filters the Response.
+     *
+     * @param Symfony\Components\EventDispatcher\Event $event    An Event instance
+     * @param Symfony\Components\HttpKernel\Response   $response A Response instance
+     */
     public function filter(Event $event, Response $response)
     {
         if (HttpKernelInterface::MASTER_REQUEST !== $event->getParameter('request_type') || $response->headers->has('Content-Type')) {

src/Symfony/Foundation/EventDispatcher.php

@@ -16,8 +16,7 @@ use Symfony\Components\DependencyInjection\ContainerInterface;
  */
 
 /**
- * This EventDispatcher implementation uses a DependencyInjection container to
- * lazy load listeners.
+ * This EventDispatcher implementation uses a DependencyInjection container to load listeners.
  *
  * @package    Symfony
  * @subpackage Foundation
@@ -25,44 +24,14 @@ use Symfony\Components\DependencyInjection\ContainerInterface;
  */
 class EventDispatcher extends BaseEventDispatcher
 {
-    protected $container;
-
     /**
      * Constructor.
      *
      */
     public function __construct(ContainerInterface $container)
     {
-        $this->container = $container;
-
         foreach ($container->findAnnotatedServiceIds('kernel.listener') as $id => $attributes) {
-            foreach ($attributes as $attribute) {
-                if (isset($attribute['event'])) {
-                    $this->connect($attribute['event'], array($id, isset($attribute['method']) ? $attribute['method'] : 'handle'));
-                }
-            }
+            $container->getService($id)->register($this);
         }
     }
-
-    /**
-     * Returns all listeners associated with a given event name.
-     *
-     * @param  string   $name    The event name
-     *
-     * @return array  An array of listeners
-     */
-    public function getListeners($name)
-    {
-        if (!isset($this->listeners[$name])) {
-            return array();
-        }
-
-        foreach ($this->listeners[$name] as $i => $listener) {
-            if (is_array($listener) && is_string($listener[0])) {
-                $this->listeners[$name][$i] = array($this->container->getService($listener[0]), $listener[1]);
-            }
-        }
-
-        return $this->listeners[$name];
-    }
 }

src/Symfony/Foundation/bootstrap.php

@@ -338,35 +338,11 @@ use Symfony\Components\DependencyInjection\ContainerInterface;
 
 class EventDispatcher extends BaseEventDispatcher
 {
-    protected $container;
-
     
     public function __construct(ContainerInterface $container)
     {
-        $this->container = $container;
-
         foreach ($container->findAnnotatedServiceIds('kernel.listener') as $id => $attributes) {
-            foreach ($attributes as $attribute) {
-                if (isset($attribute['event'])) {
-                    $this->connect($attribute['event'], array($id, isset($attribute['method']) ? $attribute['method'] : 'handle'));
-                }
-            }
+            $container->getService($id)->register($this);
         }
     }
-
-    
-    public function getListeners($name)
-    {
-        if (!isset($this->listeners[$name])) {
-            return array();
-        }
-
-        foreach ($this->listeners[$name] as $i => $listener) {
-            if (is_array($listener) && is_string($listener[0])) {
-                $this->listeners[$name][$i] = array($this->container->getService($listener[0]), $listener[1]);
-            }
-        }
-
-        return $this->listeners[$name];
-    }
 }

src/Symfony/Framework/ProfilerBundle/DataCollector/DataCollectorManager.php

@@ -3,6 +3,7 @@
 namespace Symfony\Framework\ProfilerBundle\DataCollector;
 
 use Symfony\Components\DependencyInjection\ContainerInterface;
+use Symfony\Components\EventDispatcher\EventDispatcher;
 use Symfony\Components\EventDispatcher\Event;
 use Symfony\Components\HttpKernel\Response;
 use Symfony\Components\HttpKernel\HttpKernelInterface;
@@ -43,9 +44,14 @@ class DataCollectorManager
         $this->collectors = $this->initCollectors();
     }
 
-    public function register()
+    /**
+     * Registers a core.response listener.
+     *
+     * @param Symfony\Components\EventDispatcher\EventDispatcher $dispatcher An EventDispatcher instance
+     */
+    public function register(EventDispatcher $dispatcher)
     {
-        $this->container->getEventDispatcherService()->connect('core.response', array($this, 'handle'));
+        $dispatcher->connect('core.response', array($this, 'handle'));
     }
 
     public function handle(Event $event, Response $response)

src/Symfony/Framework/ProfilerBundle/Listener/WebDebugToolbar.php

@@ -3,6 +3,7 @@
 namespace Symfony\Framework\ProfilerBundle\Listener;
 
 use Symfony\Components\DependencyInjection\ContainerInterface;
+use Symfony\Components\EventDispatcher\EventDispatcher;
 use Symfony\Components\EventDispatcher\Event;
 use Symfony\Components\HttpKernel\Response;
 use Symfony\Components\HttpKernel\HttpKernelInterface;
@@ -35,9 +36,14 @@ class WebDebugToolbar
         $this->collectorManager = $collectorManager;
     }
 
-    public function register()
+    /**
+     * Registers a core.response listener.
+     *
+     * @param Symfony\Components\EventDispatcher\EventDispatcher $dispatcher An EventDispatcher instance
+     */
+    public function register(EventDispatcher $dispatcher)
     {
-        $this->container->getEventDispatcherService()->connect('core.response', array($this, 'handle'));
+        $dispatcher->connect('core.response', array($this, 'handle'));
     }
 
     public function handle(Event $event, Response $response)

src/Symfony/Framework/ProfilerBundle/Resources/config/collectors.xml

@@ -17,7 +17,7 @@
 
   <services>
     <service id="data_collector_manager" class="%data_collector_manager.class%">
-      <annotation name="kernel.listener" event="core.response" method="handle" />
+      <annotation name="kernel.listener" />
       <argument type="service" id="service_container" />
       <argument type="service" id="logger" />
       <argument type="service" id="data_collector_manager.storage" />

src/Symfony/Framework/ProfilerBundle/Resources/config/toolbar.xml

@@ -10,7 +10,7 @@
 
   <services>
     <service id="debug.toolbar" class="%debug.toolbar.class%">
-      <annotation name="kernel.listener" event="core.response" method="handle" />
+      <annotation name="kernel.listener" />
       <argument type="service" id="service_container" />
       <argument type="service" id="data_collector_manager" />
     </service>

src/Symfony/Framework/WebBundle/Listener/ControllerLoader.php

@@ -27,19 +27,22 @@ use Symfony\Components\EventDispatcher\Event;
 class ControllerLoader
 {
     protected $manager;
-    protected $dispatcher;
     protected $logger;
 
-    public function __construct(EventDispatcher $dispatcher, ControllerManager $manager, LoggerInterface $logger = null)
+    public function __construct(ControllerManager $manager, LoggerInterface $logger = null)
     {
-        $this->dispatcher = $dispatcher;
         $this->manager = $manager;
         $this->logger = $logger;
     }
 
-    public function register()
+    /**
+     * Registers a core.load_controller listener.
+     *
+     * @param Symfony\Components\EventDispatcher\EventDispatcher $dispatcher An EventDispatcher instance
+     */
+    public function register(EventDispatcher $dispatcher)
     {
-        $this->dispatcher->connect('core.load_controller', array($this, 'resolve'));
+        $dispatcher->connect('core.load_controller', array($this, 'resolve'));
     }
 
     /**

src/Symfony/Framework/WebBundle/Listener/ExceptionHandler.php

@@ -3,6 +3,7 @@
 namespace Symfony\Framework\WebBundle\Listener;
 
 use Symfony\Components\DependencyInjection\ContainerInterface;
+use Symfony\Components\EventDispatcher\EventDispatcher;
 use Symfony\Components\EventDispatcher\Event;
 use Symfony\Foundation\LoggerInterface;
 use Symfony\Components\HttpKernel\HttpKernelInterface;
@@ -37,9 +38,14 @@ class ExceptionHandler
         $this->controller = $controller;
     }
 
-    public function register()
+    /**
+     * Registers a core.exception listener.
+     *
+     * @param Symfony\Components\EventDispatcher\EventDispatcher $dispatcher An EventDispatcher instance
+     */
+    public function register(EventDispatcher $dispatcher)
     {
-        $this->container->getEventDispatcherService()->connect('core.exception', array($this, 'handle'));
+        $dispatcher->connect('core.exception', array($this, 'handle'));
     }
 
     public function handle(Event $event)

src/Symfony/Framework/WebBundle/Listener/RequestParser.php

@@ -4,6 +4,7 @@ namespace Symfony\Framework\WebBundle\Listener;
 
 use Symfony\Foundation\LoggerInterface;
 use Symfony\Components\DependencyInjection\ContainerInterface;
+use Symfony\Components\EventDispatcher\EventDispatcher;
 use Symfony\Components\EventDispatcher\Event;
 use Symfony\Components\Routing\RouterInterface;
 use Symfony\Components\HttpKernel\HttpKernelInterface;
@@ -37,9 +38,14 @@ class RequestParser
         $this->logger = $logger;
     }
 
-    public function register()
+    /**
+     * Registers a core.request listener.
+     *
+     * @param Symfony\Components\EventDispatcher\EventDispatcher $dispatcher An EventDispatcher instance
+     */
+    public function register(EventDispatcher $dispatcher)
     {
-        $this->container->getEventDispatcherService()->connect('core.request', array($this, 'resolve'));
+        $dispatcher->connect('core.request', array($this, 'resolve'));
     }
 
     public function resolve(Event $event)

src/Symfony/Framework/WebBundle/Resources/config/web.xml

@@ -9,7 +9,7 @@
     <parameter key="controller_manager.class">Symfony\Framework\WebBundle\Controller\ControllerManager</parameter>
     <parameter key="controller_loader.class">Symfony\Framework\WebBundle\Listener\ControllerLoader</parameter>
     <parameter key="router.class">Symfony\Components\Routing\Router</parameter>
-    <parameter key="response_filter.class">Symfony\Framework\WebBundle\Listener\ResponseFilter</parameter>
+    <parameter key="response_filter.class">Symfony\Components\HttpKernel\Listener\ResponseFilter</parameter>
 
     <parameter key="exception_handler.class">Symfony\Framework\WebBundle\Listener\ExceptionHandler</parameter>
     <parameter key="exception_handler.bundle">WebBundle</parameter>
@@ -24,14 +24,13 @@
     </service>
 
     <service id="controller_loader" class="%controller_loader.class%">
-      <annotation name="kernel.listener" event="core.load_controller" method="resolve" />
-      <argument type="service" id="event_dispatcher" />
+      <annotation name="kernel.listener" />
       <argument type="service" id="controller_manager" />
       <argument type="service" id="logger" on-invalid="ignore" />
     </service>
 
     <service id="request_parser" class="%request_parser.class%">
-      <annotation name="kernel.listener" event="core.request" method="resolve" />
+      <annotation name="kernel.listener" />
       <argument type="service" id="service_container" />
       <argument type="service" id="router" />
       <argument type="service" id="logger" on-invalid="ignore" />
@@ -51,12 +50,11 @@
     </service>
 
     <service id="response_filter" class="%response_filter.class%">
-      <annotation name="kernel.listener" event="core.response" method="filter" />
-      <argument type="service" id="event_dispatcher" />
+      <annotation name="kernel.listener" />
     </service>
 
     <service id="exception_handler" class="%exception_handler.class%">
-      <annotation name="kernel.listener" event="core.exception" method="handle" />
+      <annotation name="kernel.listener" />
       <argument type="service" id="service_container" />
       <argument type="service" id="logger" on-invalid="null" />
       <argument>%exception_handler.bundle%</argument>