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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Mvc;
use Zend\EventManager\AbstractListenerAggregate;
use Zend\EventManager\EventManager;
use Zend\EventManager\EventManagerAwareInterface;
use Zend\EventManager\EventManagerInterface;
use Zend\Mvc\ResponseSender\ConsoleResponseSender;
use Zend\Mvc\ResponseSender\HttpResponseSender;
use Zend\Mvc\ResponseSender\PhpEnvironmentResponseSender;
use Zend\Mvc\ResponseSender\SendResponseEvent;
use Zend\Mvc\ResponseSender\SimpleStreamResponseSender;
use Zend\Stdlib\ResponseInterface as Response;
class SendResponseListener extends AbstractListenerAggregate implements
EventManagerAwareInterface
{
/**
* @var SendResponseEvent
*/
protected $event;
/**
* @var EventManagerInterface
*/
protected $eventManager;
/**
* Inject an EventManager instance
*
* @param EventManagerInterface $eventManager
* @return SendResponseListener
*/
public function setEventManager(EventManagerInterface $eventManager)
{
$eventManager->setIdentifiers(array(
__CLASS__,
get_class($this),
));
$this->eventManager = $eventManager;
$this->attachDefaultListeners();
return $this;
}
/**
* Retrieve the event manager
*
* Lazy-loads an EventManager instance if none registered.
*
* @return EventManagerInterface
*/
public function getEventManager()
{
if (!$this->eventManager instanceof EventManagerInterface) {
$this->setEventManager(new EventManager());
}
return $this->eventManager;
}
/**
* Attach the aggregate to the specified event manager
*
* @param EventManagerInterface $events
* @return void
*/
public function attach(EventManagerInterface $events)
{
$this->listeners[] = $events->attach(MvcEvent::EVENT_FINISH, array($this, 'sendResponse'), -10000);
}
/**
* Send the response
*
* @param MvcEvent $e
* @return void
*/
public function sendResponse(MvcEvent $e)
{
$response = $e->getResponse();
if (!$response instanceof Response) {
return; // there is no response to send
}
$event = $this->getEvent();
$event->setResponse($response);
$event->setTarget($this);
$this->getEventManager()->trigger($event);
}
/**
* Get the send response event
*
* @return SendResponseEvent
*/
public function getEvent()
{
if (!$this->event instanceof SendResponseEvent) {
$this->setEvent(new SendResponseEvent());
}
return $this->event;
}
/**
* Set the send response event
*
* @param SendResponseEvent $e
* @return SendResponseEvent
*/
public function setEvent(SendResponseEvent $e)
{
$this->event = $e;
return $this;
}
/**
* Register the default event listeners
*
* The order in which the response sender are listed here, is by their usage:
* PhpEnvironmentResponseSender has highest priority, because it's used most often.
* ConsoleResponseSender and SimpleStreamResponseSender are not used that often, yo they have a lower priority.
* You can attach your response sender before or after every default response sender implementation.
* All default response sender implementation have negative priority.
* You are able to attach listeners without giving a priority and your response sender would be first to try.
*
* @return SendResponseListener
*/
protected function attachDefaultListeners()
{
$events = $this->getEventManager();
$events->attach(SendResponseEvent::EVENT_SEND_RESPONSE, new PhpEnvironmentResponseSender(), -1000);
$events->attach(SendResponseEvent::EVENT_SEND_RESPONSE, new ConsoleResponseSender(), -2000);
$events->attach(SendResponseEvent::EVENT_SEND_RESPONSE, new SimpleStreamResponseSender(), -3000);
$events->attach(SendResponseEvent::EVENT_SEND_RESPONSE, new HttpResponseSender(), -4000);
}
}
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