83 lines
2.4 KiB
PHP
83 lines
2.4 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Bundle\FrameworkBundle\HttpCache;
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use Symfony\Component\HttpKernel\HttpKernelInterface;
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use Symfony\Component\HttpKernel\HttpCache\HttpCache as BaseHttpCache;
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use Symfony\Component\HttpKernel\HttpCache\Esi;
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use Symfony\Component\HttpKernel\HttpCache\Store;
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use Symfony\Component\HttpFoundation\Request;
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use Symfony\Component\HttpFoundation\Response;
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/**
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* Manages HTTP cache objects in a Container.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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abstract class HttpCache extends BaseHttpCache
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{
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protected $cacheDir;
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protected $kernel;
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/**
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* Constructor.
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*
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* @param HttpKernelInterface $kernel An HttpKernelInterface instance
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* @param string $cacheDir The cache directory (default used if null)
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*/
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public function __construct(HttpKernelInterface $kernel, $cacheDir = null)
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{
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$this->kernel = $kernel;
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$this->cacheDir = $cacheDir;
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parent::__construct($kernel, $this->createStore(), $this->createEsi(), array_merge(array('debug' => $kernel->isDebug()), $this->getOptions()));
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}
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/**
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* Forwards the Request to the backend and returns the Response.
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*
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* @param Request $request A Request instance
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* @param Boolean $raw Whether to catch exceptions or not
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* @param Response $entry A Response instance (the stale entry if present, null otherwise)
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*
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* @return Response A Response instance
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*/
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protected function forward(Request $request, $raw = false, Response $entry = null)
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{
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$this->getKernel()->boot();
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$this->getKernel()->getContainer()->set('cache', $this);
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$this->getKernel()->getContainer()->set('esi', $this->getEsi());
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return parent::forward($request, $raw, $entry);
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}
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/**
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* Returns an array of options to customize the Cache configuration.
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*
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* @return array An array of options
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*/
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protected function getOptions()
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{
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return array();
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}
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protected function createEsi()
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{
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return new Esi();
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}
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protected function createStore()
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{
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return new Store($this->cacheDir ?: $this->kernel->getCacheDir().'/http_cache');
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}
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}
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