Created
March 23, 2012 07:44
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Symfony2 Event Listener that allows you to set Response parameters and still use the @template annotation from the SensioFrameworkExtraBundle
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<?php | |
namespace Example\AppBundle\Controller; | |
use Symfony\Bundle\FrameworkBundle\Controller\Controller, | |
Symfony\Component\HttpFoundation\Request, | |
Sensio\Bundle\FrameworkExtraBundle\Configuration\Template; | |
class ExampleController extends Controller | |
{ | |
/** | |
* @Template | |
*/ | |
public function indexAction(Request $request) | |
{ | |
return array( | |
'statusCode' => '... some status code ...', | |
'lastModified' => '... some date ...', | |
); | |
} | |
} |
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<?php | |
namespace Example\AppBundle\EventListener; | |
use Symfony\Component\HttpKernel\Event\FilterResponseEvent; | |
use Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent; | |
class ResponseListener | |
{ | |
/** | |
* @var array | |
*/ | |
protected $_responseParameters = array( | |
'last_modified' => 'setLastModified', | |
'status_code' => 'setStatusCode', | |
); | |
/** | |
* @param GetResponseForControllerResultEvent $event A GetResponseForControllerResultEvent instance | |
*/ | |
public function onKernelView(GetResponseForControllerResultEvent $event) | |
{ | |
$request = $event->getRequest(); | |
$parameters = $event->getControllerResult(); | |
if (!empty($parameters)) { | |
$response = array(); | |
foreach ($parameters as $parameter => $value) { | |
if (isset($this->_responseParameters[$parameter])) { | |
$response[$parameter] = $value; | |
} | |
} | |
if (!empty($response)) { | |
$request->attributes->set('_response', $response); | |
} | |
} | |
} | |
/** | |
* @param GetResponseForControllerResultEvent $event A GetResponseForControllerResultEvent instance | |
*/ | |
public function onKernelResponse(FilterResponseEvent $event) | |
{ | |
$request = $event->getRequest(); | |
$parameters = $request->attributes->get('_response'); | |
if (!empty($parameters)) { | |
$response = $event->getResponse(); | |
foreach ($parameters as $parameter => $value) { | |
$method = $this->_responseParameters[$parameter]; | |
$response->{$method}($value); | |
} | |
} | |
} | |
} |
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