diff --git a/src/Symfony/Bundle/FrameworkBundle/CHANGELOG.md b/src/Symfony/Bundle/FrameworkBundle/CHANGELOG.md
index 00c86e5a03..bdba9ca429 100644
--- a/src/Symfony/Bundle/FrameworkBundle/CHANGELOG.md
+++ b/src/Symfony/Bundle/FrameworkBundle/CHANGELOG.md
@@ -4,6 +4,7 @@ CHANGELOG
 2.3.0
 -----
 
+ * added ControllerNameParser::build() to converts a controller short notation (a:b:c) to a class::method notation
  * added possibility to run PHP built-in server in production environment
  * added possibility to load the serializer component in the service container
  * added route debug information when using the `router:match` command
diff --git a/src/Symfony/Bundle/FrameworkBundle/Controller/ControllerNameParser.php b/src/Symfony/Bundle/FrameworkBundle/Controller/ControllerNameParser.php
index 987356124e..4b1c665a94 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Controller/ControllerNameParser.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Controller/ControllerNameParser.php
@@ -39,7 +39,7 @@ class ControllerNameParser
      *
      * @param string $controller A short notation controller (a:b:c)
      *
-     * @return string A string with class::method
+     * @return string A string in the class::method notation
      *
      * @throws \InvalidArgumentException when the specified bundle is not enabled
      *                                   or the controller cannot be found
@@ -47,7 +47,7 @@ class ControllerNameParser
     public function parse($controller)
     {
         if (3 != count($parts = explode(':', $controller))) {
-            throw new \InvalidArgumentException(sprintf('The "%s" controller is not a valid a:b:c controller string.', $controller));
+            throw new \InvalidArgumentException(sprintf('The "%s" controller is not a valid "a:b:c" controller string.', $controller));
         }
 
         list($bundle, $controller, $action) = $parts;
@@ -72,25 +72,32 @@ class ControllerNameParser
         throw new \InvalidArgumentException($msg);
     }
 
-    public function build($controller) {
-        if (2 != count($parts = explode('::', $controller))) {
-            throw new \InvalidArgumentException(sprintf('The "%s" controller is not a valid aController::cAction controller string.', $controller));
+    /**
+     * Converts a class::method notation to a short one (a:b:c).
+     *
+     * @param string $controller A string in the class::method notation
+     *
+     * @return string A short notation controller (a:b:c)
+     *
+     * @throws \InvalidArgumentException when the controller is not valid or cannot be found in any bundle
+     */
+    public function build($controller)
+    {
+        if (0 === preg_match('#^(.*?\\\\Controller\\\\(.+)Controller)::(.+)Action$#', $controller, $match)) {
+            throw new \InvalidArgumentException(sprintf('The "%s" controller is not a valid "class::method" string.', $controller));
         }
 
-        list ($className, $action) = $parts;
-        if (5 !== strripos($action, 'Action')) {
-            throw new \InvalidArgumentException(sprintf('The "%s" controller is not a valid aController::cAction controller string.', $controller));
-        }
-        $action = substr($action, 0, strlen($action) - 6);
-
-        foreach ($this->kernel->getBundles() as $bundles) {
-            foreach($bundles as $bundle) {
-                if (preg_match('/^'.preg_quote($bundle->getNamespace()).'\\\\Controller\\\\(.*)Controller/', $className, $m)) {
-                    return sprintf('%s:%s:%s', $bundle->getName(), $m[1], $action);
-                }
+        $className = $match[1];
+        $controllerName = $match[2];
+        $actionName = $match[3];
+        foreach ($this->kernel->getBundles() as $name => $bundle) {
+            if (0 !== strpos($className, $bundle->getNamespace())) {
+                continue;
             }
+
+            return sprintf('%s:%s:%s', $name, $controllerName, $actionName);
         }
 
-        throw new \InvalidArgumentException(sprintf('The "%s" controller is not a valid aController::cAction controller string.', $controller));
+        throw new \InvalidArgumentException(sprintf('Unable to find a bundle that defines controller "%s".', $controller));
     }
 }
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/Controller/ControllerNameParserTest.php b/src/Symfony/Bundle/FrameworkBundle/Tests/Controller/ControllerNameParserTest.php
index ac20e601f7..b18ade8793 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/Controller/ControllerNameParserTest.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/Controller/ControllerNameParserTest.php
@@ -61,9 +61,6 @@ class ControllerNameParserTest extends TestCase
 
         $this->assertEquals('FooBundle:Default:index', $parser->build('TestBundle\FooBundle\Controller\DefaultController::indexAction'), '->parse() converts a class::method string to a short a:b:c notation string');
         $this->assertEquals('FooBundle:Sub\Default:index', $parser->build('TestBundle\FooBundle\Controller\Sub\DefaultController::indexAction'), '->parse() converts a class::method string to a short a:b:c notation string');
-        $this->assertEquals('FabpotFooBundle:Default:index', $parser->build('TestBundle\Fabpot\FooBundle\Controller\DefaultController::indexAction'), '->parse() converts a class::method string to a short a:b:c notation string');
-        $this->assertEquals('SensioCmsFooBundle:Default:index', $parser->build('TestBundle\Sensio\Cms\FooBundle\Controller\DefaultController::indexAction'), '->parse() converts a class::method string to a short a:b:c notation string');
-        $this->assertEquals('FooBundle:Test\\Default:index', $parser->build('TestBundle\FooBundle\Controller\Test\DefaultController::indexAction'), '->parse() converts a class::method string to a short a:b:c notation string');
 
         try {
             $parser->build('TestBundle\FooBundle\Controller\DefaultController::index');
@@ -78,6 +75,13 @@ class ControllerNameParserTest extends TestCase
         } catch (\Exception $e) {
             $this->assertInstanceOf('\InvalidArgumentException', $e, '->parse() throws an \InvalidArgumentException if the controller is not an aController::cAction string');
         }
+
+        try {
+            $parser->build('Foo\Controller\DefaultController::indexAction');
+            $this->fail('->parse() throws an \InvalidArgumentException if the controller is not an aController::cAction string');
+        } catch (\Exception $e) {
+            $this->assertInstanceOf('\InvalidArgumentException', $e, '->parse() throws an \InvalidArgumentException if the controller is not an aController::cAction string');
+        }
     }
 
     /**
@@ -120,6 +124,13 @@ class ControllerNameParserTest extends TestCase
                 return $bundles[$bundle];
             }))
         ;
+
+        $bundles = array(
+            'SensioFooBundle' => $this->getBundle('TestBundle\Fabpot\FooBundle', 'FabpotFooBundle'),
+            'SensioCmsFooBundle' => $this->getBundle('TestBundle\Sensio\Cms\FooBundle', 'SensioCmsFooBundle'),
+            'FooBundle' => $this->getBundle('TestBundle\FooBundle', 'FooBundle'),
+            'FabpotFooBundle' => $this->getBundle('TestBundle\Fabpot\FooBundle', 'FabpotFooBundle'),
+        );
         $kernel
             ->expects($this->any())
             ->method('getBundles')