2010-02-17 13:54:36 +00:00
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<?php
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2010-07-09 09:12:56 +01:00
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namespace Symfony\Framework;
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2010-02-17 13:54:36 +00:00
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2010-04-07 01:51:29 +01:00
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use Symfony\Components\DependencyInjection\ContainerInterface;
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2010-07-15 14:11:33 +01:00
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use Symfony\Components\DependencyInjection\ContainerBuilder;
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2010-04-07 01:51:29 +01:00
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use Symfony\Components\DependencyInjection\Dumper\PhpDumper;
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2010-06-27 17:28:29 +01:00
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use Symfony\Components\DependencyInjection\Resource\FileResource;
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use Symfony\Components\DependencyInjection\ParameterBag\ParameterBag;
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2010-07-18 10:44:40 +01:00
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use Symfony\Components\DependencyInjection\Loader\DelegatingLoader;
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use Symfony\Components\DependencyInjection\Loader\LoaderResolver;
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use Symfony\Components\DependencyInjection\Loader\LoaderInterface;
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use Symfony\Components\DependencyInjection\Loader\XmlFileLoader;
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use Symfony\Components\DependencyInjection\Loader\YamlFileLoader;
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use Symfony\Components\DependencyInjection\Loader\IniFileLoader;
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use Symfony\Components\DependencyInjection\Loader\PhpFileLoader;
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2010-08-09 14:05:30 +01:00
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use Symfony\Components\DependencyInjection\Loader\ClosureLoader;
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2010-07-09 08:26:22 +01:00
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use Symfony\Components\HttpFoundation\Request;
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2010-05-06 11:04:50 +01:00
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use Symfony\Components\HttpKernel\HttpKernelInterface;
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2010-04-07 01:51:29 +01:00
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2010-02-17 13:54:36 +00:00
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/*
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2010-04-07 01:51:29 +01:00
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* This file is part of the Symfony package.
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2010-02-17 13:54:36 +00:00
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*
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* (c) Fabien Potencier <fabien.potencier@symfony-project.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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/**
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* The Kernel is the heart of the Symfony system. It manages an environment
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* that can host bundles.
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*
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2010-04-07 01:51:29 +01:00
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* @author Fabien Potencier <fabien.potencier@symfony-project.org>
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2010-02-17 13:54:36 +00:00
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*/
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2010-05-06 11:04:50 +01:00
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abstract class Kernel implements HttpKernelInterface, \Serializable
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2010-02-17 13:54:36 +00:00
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{
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2010-05-06 12:25:53 +01:00
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protected $bundles;
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protected $bundleDirs;
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protected $container;
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protected $rootDir;
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protected $environment;
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protected $debug;
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protected $booted;
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protected $name;
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protected $startTime;
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protected $request;
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const VERSION = '2.0.0-DEV';
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/**
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* Constructor.
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*
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* @param string $environment The environment
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* @param Boolean $debug Whether to enable debugging or not
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*/
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public function __construct($environment, $debug)
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2010-02-17 13:54:36 +00:00
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{
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2010-05-06 12:25:53 +01:00
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$this->environment = $environment;
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$this->debug = (Boolean) $debug;
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$this->booted = false;
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$this->rootDir = realpath($this->registerRootDir());
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$this->name = basename($this->rootDir);
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2010-05-03 08:54:17 +01:00
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2010-05-07 15:09:11 +01:00
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if ($this->debug) {
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2010-05-06 12:25:53 +01:00
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ini_set('display_errors', 1);
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error_reporting(-1);
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$this->startTime = microtime(true);
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2010-05-07 15:09:11 +01:00
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} else {
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2010-05-06 12:25:53 +01:00
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ini_set('display_errors', 0);
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}
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2010-02-17 13:54:36 +00:00
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}
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2010-05-06 12:25:53 +01:00
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2010-06-10 16:54:39 +01:00
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public function __clone()
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{
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if ($this->debug) {
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$this->startTime = microtime(true);
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}
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$this->booted = false;
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$this->container = null;
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$this->request = null;
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}
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2010-05-06 12:25:53 +01:00
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abstract public function registerRootDir();
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abstract public function registerBundles();
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abstract public function registerBundleDirs();
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2010-07-18 10:44:40 +01:00
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abstract public function registerContainerConfiguration(LoaderInterface $loader);
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2010-05-06 12:25:53 +01:00
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/**
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* Checks whether the current kernel has been booted or not.
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*
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* @return boolean $booted
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*/
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public function isBooted()
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2010-02-17 13:54:36 +00:00
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{
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2010-05-06 12:25:53 +01:00
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return $this->booted;
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2010-02-17 13:54:36 +00:00
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}
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2010-05-06 12:25:53 +01:00
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/**
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* Boots the current kernel.
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*
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* This method boots the bundles, which MUST set
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* the DI container.
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*
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* @return Kernel The current Kernel instance
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*
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* @throws \LogicException When the Kernel is already booted
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*/
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public function boot()
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2010-02-17 13:54:36 +00:00
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{
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2010-05-07 15:09:11 +01:00
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if (true === $this->booted) {
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2010-05-06 12:25:53 +01:00
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throw new \LogicException('The kernel is already booted.');
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}
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2010-02-17 13:54:36 +00:00
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2010-08-09 14:05:07 +01:00
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if (!$this->isDebug()) {
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require_once __DIR__.'/bootstrap.php';
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}
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2010-05-07 18:35:08 +01:00
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2010-05-06 12:25:53 +01:00
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$this->bundles = $this->registerBundles();
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$this->bundleDirs = $this->registerBundleDirs();
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2010-05-03 08:54:17 +01:00
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2010-05-06 12:25:53 +01:00
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// initialize the container
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$this->container = $this->initializeContainer();
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2010-06-27 17:28:29 +01:00
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$this->container->set('kernel', $this);
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2010-02-17 13:54:36 +00:00
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2010-05-06 12:25:53 +01:00
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// boot bundles
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2010-05-07 15:09:11 +01:00
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foreach ($this->bundles as $bundle) {
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2010-05-06 12:25:53 +01:00
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$bundle->boot($this->container);
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}
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$this->booted = true;
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return $this;
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2010-02-17 13:54:36 +00:00
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}
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2010-05-06 12:25:53 +01:00
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/**
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* Shutdowns the kernel.
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*
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* This method is mainly useful when doing functional testing.
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*/
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public function shutdown()
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{
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$this->booted = false;
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2010-02-17 13:54:36 +00:00
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2010-05-07 15:09:11 +01:00
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foreach ($this->bundles as $bundle) {
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2010-05-06 12:25:53 +01:00
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$bundle->shutdown($this->container);
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}
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2010-02-17 13:54:36 +00:00
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2010-05-06 12:25:53 +01:00
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$this->container = null;
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}
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2010-04-19 08:05:11 +01:00
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2010-05-06 12:25:53 +01:00
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/**
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* Reboots the kernel.
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*
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* This method is mainly useful when doing functional testing.
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*
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* It is a shortcut for the call to shutdown() and boot().
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*/
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public function reboot()
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2010-04-19 08:05:11 +01:00
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{
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2010-05-06 12:25:53 +01:00
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$this->shutdown();
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$this->boot();
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2010-04-19 08:05:11 +01:00
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}
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2010-05-06 12:25:53 +01:00
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/**
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2010-05-13 16:17:33 +01:00
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* Gets the Request instance associated with the master request.
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2010-05-06 12:25:53 +01:00
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*
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* @return Request A Request instance
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*/
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public function getRequest()
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2010-02-17 13:54:36 +00:00
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{
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2010-05-06 12:25:53 +01:00
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return $this->request;
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2010-02-17 13:54:36 +00:00
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}
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2010-05-06 12:25:53 +01:00
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/**
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2010-05-13 07:15:37 +01:00
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* Handles a request to convert it to a response by calling the HttpKernel service.
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2010-05-06 12:25:53 +01:00
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*
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* @param Request $request A Request instance
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2010-05-13 16:17:33 +01:00
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* @param integer $type The type of the request (one of HttpKernelInterface::MASTER_REQUEST, HttpKernelInterface::FORWARDED_REQUEST, or HttpKernelInterface::EMBEDDED_REQUEST)
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2010-05-06 12:25:53 +01:00
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* @param Boolean $raw Whether to catch exceptions or not
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*
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* @return Response $response A Response instance
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*/
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2010-05-13 16:17:33 +01:00
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public function handle(Request $request = null, $type = HttpKernelInterface::MASTER_REQUEST, $raw = false)
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2010-02-17 13:54:36 +00:00
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{
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2010-05-07 15:09:11 +01:00
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if (false === $this->booted) {
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2010-05-06 12:25:53 +01:00
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$this->boot();
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}
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2010-05-07 15:09:11 +01:00
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if (null === $request) {
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2010-05-06 12:25:53 +01:00
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$request = $this->container->getRequestService();
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}
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2010-05-13 16:17:33 +01:00
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if (HttpKernelInterface::MASTER_REQUEST === $type) {
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2010-05-06 12:25:53 +01:00
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$this->request = $request;
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}
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2010-06-27 17:28:29 +01:00
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$this->container->set('request', $request);
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2010-05-13 07:15:37 +01:00
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2010-05-13 16:17:33 +01:00
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$response = $this->container->getHttpKernelService()->handle($request, $type, $raw);
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2010-05-13 07:15:37 +01:00
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2010-06-27 17:28:29 +01:00
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$this->container->set('request', $this->request);
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2010-05-13 07:15:37 +01:00
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return $response;
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2010-02-17 13:54:36 +00:00
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}
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2010-05-06 12:25:53 +01:00
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2010-05-19 09:24:36 +01:00
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/**
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* Gets the directories where bundles can be stored.
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*
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* @return array An array of directories where bundles can be stored
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*/
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2010-05-06 12:25:53 +01:00
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public function getBundleDirs()
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2010-04-08 10:12:58 +01:00
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{
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2010-05-06 12:25:53 +01:00
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return $this->bundleDirs;
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2010-04-08 10:12:58 +01:00
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}
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2010-02-17 13:54:36 +00:00
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2010-05-19 09:24:36 +01:00
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/**
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* Gets the registered bundle names.
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*
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* @return array An array of registered bundle names
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*/
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2010-05-06 12:25:53 +01:00
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public function getBundles()
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2010-04-25 12:18:42 +01:00
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{
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2010-05-06 12:25:53 +01:00
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return $this->bundles;
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2010-04-25 12:18:42 +01:00
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}
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2010-08-09 14:07:05 +01:00
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/**
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* Checks if a given class name belongs to an active bundle.
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*
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* @param string $class A class name
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*
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* @return Boolean true if the class belongs to an active bundle, false otherwise
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*/
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public function isClassInActiveBundle($class)
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{
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foreach ($this->bundles as $bundle) {
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$bundleClass = get_class($bundle);
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if (0 === strpos($class, substr($bundleClass, 0, strrpos($bundleClass, '\\')))) {
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return true;
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}
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}
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return false;
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}
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2010-05-06 12:25:53 +01:00
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public function getName()
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2010-05-03 15:11:38 +01:00
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{
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2010-05-06 12:25:53 +01:00
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return $this->name;
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2010-05-03 15:11:38 +01:00
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}
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2010-05-06 12:25:53 +01:00
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2010-06-01 09:03:50 +01:00
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public function getSafeName()
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{
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return preg_replace('/[^a-zA-Z0-9_]+/', '', $this->name);
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}
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2010-05-06 12:25:53 +01:00
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public function getEnvironment()
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2010-05-03 15:11:38 +01:00
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{
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2010-05-06 12:25:53 +01:00
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return $this->environment;
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2010-05-03 15:11:38 +01:00
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}
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2010-05-06 12:25:53 +01:00
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public function isDebug()
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2010-03-12 10:54:22 +00:00
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{
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2010-05-06 12:25:53 +01:00
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return $this->debug;
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2010-03-12 10:54:22 +00:00
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}
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2010-05-06 12:25:53 +01:00
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public function getRootDir()
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2010-02-22 10:57:59 +00:00
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{
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2010-05-06 12:25:53 +01:00
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return $this->rootDir;
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2010-02-22 10:57:59 +00:00
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}
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2010-05-06 12:25:53 +01:00
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public function getContainer()
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2010-02-17 13:54:36 +00:00
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{
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2010-05-06 12:25:53 +01:00
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return $this->container;
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2010-02-17 13:54:36 +00:00
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}
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2010-05-06 12:25:53 +01:00
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public function getStartTime()
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{
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return $this->debug ? $this->startTime : -INF;
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}
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2010-02-17 13:54:36 +00:00
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2010-05-06 12:25:53 +01:00
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public function getCacheDir()
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2010-02-17 13:54:36 +00:00
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{
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2010-05-06 12:25:53 +01:00
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return $this->rootDir.'/cache/'.$this->environment;
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2010-02-17 13:54:36 +00:00
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}
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2010-05-06 12:25:53 +01:00
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public function getLogDir()
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2010-02-17 13:54:36 +00:00
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{
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2010-05-06 12:25:53 +01:00
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return $this->rootDir.'/logs';
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2010-02-17 13:54:36 +00:00
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}
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2010-05-06 12:25:53 +01:00
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protected function initializeContainer()
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{
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2010-06-01 09:03:50 +01:00
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$class = $this->getSafeName().ucfirst($this->environment).($this->debug ? 'Debug' : '').'ProjectContainer';
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2010-05-06 12:25:53 +01:00
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$location = $this->getCacheDir().'/'.$class;
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$reload = $this->debug ? $this->needsReload($class, $location) : false;
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2010-05-07 15:09:11 +01:00
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if ($reload || !file_exists($location.'.php')) {
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2010-05-06 12:25:53 +01:00
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$this->buildContainer($class, $location.'.php');
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}
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2010-02-17 13:54:36 +00:00
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2010-05-06 12:25:53 +01:00
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require_once $location.'.php';
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2010-02-17 13:54:36 +00:00
|
|
|
|
2010-05-06 12:25:53 +01:00
|
|
|
return new $class();
|
2010-02-17 13:54:36 +00:00
|
|
|
}
|
|
|
|
|
2010-05-06 12:25:53 +01:00
|
|
|
public function getKernelParameters()
|
2010-02-17 13:54:36 +00:00
|
|
|
{
|
2010-05-06 12:25:53 +01:00
|
|
|
$bundles = array();
|
2010-05-07 15:09:11 +01:00
|
|
|
foreach ($this->bundles as $bundle) {
|
2010-05-06 12:25:53 +01:00
|
|
|
$bundles[] = get_class($bundle);
|
2010-02-24 03:12:55 +00:00
|
|
|
}
|
2010-05-06 12:25:53 +01:00
|
|
|
|
|
|
|
return array_merge(
|
|
|
|
array(
|
|
|
|
'kernel.root_dir' => $this->rootDir,
|
|
|
|
'kernel.environment' => $this->environment,
|
|
|
|
'kernel.debug' => $this->debug,
|
|
|
|
'kernel.name' => $this->name,
|
|
|
|
'kernel.cache_dir' => $this->getCacheDir(),
|
|
|
|
'kernel.logs_dir' => $this->getLogDir(),
|
|
|
|
'kernel.bundle_dirs' => $this->bundleDirs,
|
|
|
|
'kernel.bundles' => $bundles,
|
|
|
|
'kernel.charset' => 'UTF-8',
|
|
|
|
),
|
|
|
|
$this->getEnvParameters()
|
|
|
|
);
|
2010-02-17 13:54:36 +00:00
|
|
|
}
|
|
|
|
|
2010-05-06 12:25:53 +01:00
|
|
|
protected function getEnvParameters()
|
2010-02-17 13:54:36 +00:00
|
|
|
{
|
2010-05-06 12:25:53 +01:00
|
|
|
$parameters = array();
|
2010-05-07 15:09:11 +01:00
|
|
|
foreach ($_SERVER as $key => $value) {
|
2010-05-08 14:32:30 +01:00
|
|
|
if ('SYMFONY__' === substr($key, 0, 9)) {
|
2010-05-06 12:25:53 +01:00
|
|
|
$parameters[strtolower(str_replace('__', '.', substr($key, 9)))] = $value;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return $parameters;
|
2010-02-17 13:54:36 +00:00
|
|
|
}
|
|
|
|
|
2010-05-06 12:25:53 +01:00
|
|
|
protected function needsReload($class, $location)
|
2010-02-17 13:54:36 +00:00
|
|
|
{
|
2010-05-07 15:09:11 +01:00
|
|
|
if (!file_exists($location.'.meta') || !file_exists($location.'.php')) {
|
2010-05-06 12:25:53 +01:00
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
$meta = unserialize(file_get_contents($location.'.meta'));
|
|
|
|
$time = filemtime($location.'.php');
|
2010-05-07 15:09:11 +01:00
|
|
|
foreach ($meta as $resource) {
|
2010-05-08 14:32:30 +01:00
|
|
|
if (!$resource->isUptodate($time)) {
|
2010-05-06 12:25:53 +01:00
|
|
|
return true;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return false;
|
2010-02-17 13:54:36 +00:00
|
|
|
}
|
|
|
|
|
2010-05-06 12:25:53 +01:00
|
|
|
protected function buildContainer($class, $file)
|
2010-02-17 13:54:36 +00:00
|
|
|
{
|
2010-07-13 10:14:21 +01:00
|
|
|
$parameterBag = new ParameterBag($this->getKernelParameters());
|
2010-05-06 12:25:53 +01:00
|
|
|
|
2010-07-15 14:11:33 +01:00
|
|
|
$container = new ContainerBuilder($parameterBag);
|
2010-05-07 15:09:11 +01:00
|
|
|
foreach ($this->bundles as $bundle) {
|
2010-07-15 14:11:33 +01:00
|
|
|
if (null !== $c = $bundle->buildContainer($parameterBag)) {
|
|
|
|
$container->merge($c);
|
|
|
|
}
|
2010-06-28 07:57:17 +01:00
|
|
|
|
|
|
|
if ($this->debug) {
|
2010-07-15 14:11:33 +01:00
|
|
|
$container->addObjectResource($bundle);
|
2010-06-28 07:57:17 +01:00
|
|
|
}
|
2010-05-06 12:25:53 +01:00
|
|
|
}
|
2010-07-18 10:44:40 +01:00
|
|
|
|
|
|
|
if (null !== $cont = $this->registerContainerConfiguration($this->getContainerLoader($container))) {
|
|
|
|
$container->merge($cont);
|
|
|
|
}
|
2010-06-27 17:28:29 +01:00
|
|
|
$container->freeze();
|
2010-05-06 12:25:53 +01:00
|
|
|
|
2010-05-07 15:09:11 +01:00
|
|
|
foreach (array('cache', 'logs') as $name) {
|
2010-05-06 12:25:53 +01:00
|
|
|
$dir = $container->getParameter(sprintf('kernel.%s_dir', $name));
|
2010-05-07 15:09:11 +01:00
|
|
|
if (!is_dir($dir)) {
|
2010-05-08 14:32:30 +01:00
|
|
|
if (false === @mkdir($dir, 0777, true)) {
|
2010-05-06 12:25:53 +01:00
|
|
|
die(sprintf('Unable to create the %s directory (%s)', $name, dirname($dir)));
|
|
|
|
}
|
2010-05-07 15:09:11 +01:00
|
|
|
} elseif (!is_writable($dir)) {
|
2010-05-06 12:25:53 +01:00
|
|
|
die(sprintf('Unable to write in the %s directory (%s)', $name, $dir));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// cache the container
|
|
|
|
$dumper = new PhpDumper($container);
|
|
|
|
$content = $dumper->dump(array('class' => $class));
|
2010-05-07 15:09:11 +01:00
|
|
|
if (!$this->debug) {
|
2010-05-06 12:25:53 +01:00
|
|
|
$content = self::stripComments($content);
|
|
|
|
}
|
|
|
|
$this->writeCacheFile($file, $content);
|
|
|
|
|
2010-05-07 15:09:11 +01:00
|
|
|
if ($this->debug) {
|
2010-07-15 14:11:33 +01:00
|
|
|
$container->addObjectResource($this);
|
2010-05-06 12:25:53 +01:00
|
|
|
|
|
|
|
// save the resources
|
2010-07-15 14:11:33 +01:00
|
|
|
$this->writeCacheFile($this->getCacheDir().'/'.$class.'.meta', serialize($container->getResources()));
|
2010-05-06 12:25:53 +01:00
|
|
|
}
|
2010-02-17 13:54:36 +00:00
|
|
|
}
|
|
|
|
|
2010-07-18 10:44:40 +01:00
|
|
|
protected function getContainerLoader(ContainerInterface $container)
|
|
|
|
{
|
|
|
|
$resolver = new LoaderResolver(array(
|
|
|
|
new XmlFileLoader($container, $this->getBundleDirs()),
|
|
|
|
new YamlFileLoader($container, $this->getBundleDirs()),
|
|
|
|
new IniFileLoader($container, $this->getBundleDirs()),
|
|
|
|
new PhpFileLoader($container, $this->getBundleDirs()),
|
2010-08-09 14:05:30 +01:00
|
|
|
new ClosureLoader($container),
|
2010-07-18 10:44:40 +01:00
|
|
|
));
|
|
|
|
|
|
|
|
return new DelegatingLoader($resolver);
|
|
|
|
}
|
|
|
|
|
2010-05-06 12:25:53 +01:00
|
|
|
static public function stripComments($source)
|
2010-02-17 13:54:36 +00:00
|
|
|
{
|
2010-05-07 15:09:11 +01:00
|
|
|
if (!function_exists('token_get_all')) {
|
2010-05-06 12:25:53 +01:00
|
|
|
return $source;
|
2010-02-17 13:54:36 +00:00
|
|
|
}
|
|
|
|
|
2010-05-06 12:25:53 +01:00
|
|
|
$ignore = array(T_COMMENT => true, T_DOC_COMMENT => true);
|
|
|
|
$output = '';
|
2010-05-07 15:09:11 +01:00
|
|
|
foreach (token_get_all($source) as $token) {
|
2010-05-06 12:25:53 +01:00
|
|
|
// array
|
2010-05-07 15:09:11 +01:00
|
|
|
if (isset($token[1])) {
|
2010-05-06 12:25:53 +01:00
|
|
|
// no action on comments
|
2010-05-07 15:09:11 +01:00
|
|
|
if (!isset($ignore[$token[0]])) {
|
2010-05-06 12:25:53 +01:00
|
|
|
// anything else -> output "as is"
|
|
|
|
$output .= $token[1];
|
|
|
|
}
|
2010-05-07 15:09:11 +01:00
|
|
|
} else {
|
2010-05-06 12:25:53 +01:00
|
|
|
// simple 1-character token
|
|
|
|
$output .= $token;
|
|
|
|
}
|
|
|
|
}
|
2010-02-17 13:54:36 +00:00
|
|
|
|
2010-05-06 12:25:53 +01:00
|
|
|
return $output;
|
2010-02-17 13:54:36 +00:00
|
|
|
}
|
|
|
|
|
2010-05-06 12:25:53 +01:00
|
|
|
protected function writeCacheFile($file, $content)
|
2010-02-17 13:54:36 +00:00
|
|
|
{
|
2010-05-06 12:25:53 +01:00
|
|
|
$tmpFile = tempnam(dirname($file), basename($file));
|
2010-05-07 15:09:11 +01:00
|
|
|
if (!$fp = @fopen($tmpFile, 'wb')) {
|
2010-05-06 12:25:53 +01:00
|
|
|
die(sprintf('Failed to write cache file "%s".', $tmpFile));
|
|
|
|
}
|
|
|
|
@fwrite($fp, $content);
|
|
|
|
@fclose($fp);
|
2010-02-17 13:54:36 +00:00
|
|
|
|
2010-05-07 15:09:11 +01:00
|
|
|
if ($content != file_get_contents($tmpFile)) {
|
2010-05-06 12:25:53 +01:00
|
|
|
die(sprintf('Failed to write cache file "%s" (cache corrupted).', $tmpFile));
|
|
|
|
}
|
2010-04-02 15:47:59 +01:00
|
|
|
|
2010-06-23 06:35:46 +01:00
|
|
|
if (!@rename($tmpFile, $file)) {
|
|
|
|
throw new \RuntimeException(sprintf('Failed to write cache file "%s".', $file));
|
|
|
|
}
|
|
|
|
|
2010-05-06 12:25:53 +01:00
|
|
|
chmod($file, 0644);
|
|
|
|
}
|
2010-04-02 15:47:59 +01:00
|
|
|
|
2010-05-06 12:25:53 +01:00
|
|
|
public function serialize()
|
|
|
|
{
|
|
|
|
return serialize(array($this->environment, $this->debug));
|
|
|
|
}
|
2010-04-02 15:47:59 +01:00
|
|
|
|
2010-05-06 12:25:53 +01:00
|
|
|
public function unserialize($data)
|
|
|
|
{
|
|
|
|
list($environment, $debug) = unserialize($data);
|
|
|
|
|
|
|
|
$this->__construct($environment, $debug);
|
|
|
|
}
|
2010-02-17 13:54:36 +00:00
|
|
|
}
|