kekrozsak/vendor/sensio/framework-extra-bundle/Sensio/Bundle/FrameworkExtraBundle/EventListener/ControllerListener.php

85 lines
2.6 KiB
PHP

<?php
namespace Sensio\Bundle\FrameworkExtraBundle\EventListener;
use Doctrine\Common\Annotations\Reader;
use Symfony\Component\HttpKernel\Event\FilterControllerEvent;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\ConfigurationInterface;
use Doctrine\Common\Util\ClassUtils;
/*
* This file is part of the Symfony framework.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*/
/**
* The ControllerListener class parses annotation blocks located in
* controller classes.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class ControllerListener
{
/**
* @var \Doctrine\Common\Annotations\Reader
*/
protected $reader;
/**
* Constructor.
*
* @param Reader $reader An Reader instance
*/
public function __construct(Reader $reader)
{
$this->reader = $reader;
}
/**
* Modifies the Request object to apply configuration information found in
* controllers annotations like the template to render or HTTP caching
* configuration.
*
* @param FilterControllerEvent $event A FilterControllerEvent instance
*/
public function onKernelController(FilterControllerEvent $event)
{
if (!is_array($controller = $event->getController())) {
return;
}
$className = class_exists('Doctrine\Common\Util\ClassUtils') ? ClassUtils::getClass($controller[0]) : get_class($controller[0]);
$object = new \ReflectionClass($className);
$method = $object->getMethod($controller[1]);
$classConfigurations = $this->getConfigurations($this->reader->getClassAnnotations($object));
$methodConfigurations = $this->getConfigurations($this->reader->getMethodAnnotations($method));
$configurations = array_merge($classConfigurations, $methodConfigurations);
$request = $event->getRequest();
foreach ($configurations as $key => $attributes) {
if (is_array($attributes) && count($attributes) == 1) {
$attributes = $attributes[0];
}
$request->attributes->set($key, $attributes);
}
}
protected function getConfigurations(array $annotations)
{
$configurations = array();
foreach ($annotations as $configuration) {
if ($configuration instanceof ConfigurationInterface) {
$configurations['_'.$configuration->getAliasName()][] = $configuration;
}
}
return $configurations;
}
}