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FOSRestExtension.php
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FOSRestExtension.php
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<?php
/*
* This file is part of the FOSRestBundle package.
*
* (c) FriendsOfSymfony <http://friendsofsymfony.github.com/>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace FOS\RestBundle\DependencyInjection;
use Symfony\Component\Config\FileLocator,
Symfony\Component\HttpKernel\DependencyInjection\Extension,
Symfony\Component\DependencyInjection\Reference,
Symfony\Component\DependencyInjection\ContainerInterface,
Symfony\Component\DependencyInjection\ContainerBuilder,
Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
use FOS\Rest\Util\Codes;
class FOSRestExtension extends Extension
{
/**
* Loads the services based on your application configuration.
*
* @param array $configs
* @param ContainerBuilder $container
*/
public function load(array $configs, ContainerBuilder $container)
{
$config = $this->processConfiguration(new Configuration(), $configs);
$loader = new XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
$loader->load('view.xml');
$loader->load('routing.xml');
$loader->load('util.xml');
$loader->load('request.xml');
$formats = array();
foreach ($config['view']['formats'] as $format => $enabled) {
if ($enabled) {
$formats[$format] = false;
}
}
foreach ($config['view']['templating_formats'] as $format => $enabled) {
if ($enabled) {
$formats[$format] = true;
}
}
foreach ($config['service'] as $key => $service) {
$container->setAlias($this->getAlias().'.'.$key, $config['service'][$key]);
}
$container->setParameter($this->getAlias().'.objects_version', $config['objects_version']);
$container->setParameter($this->getAlias().'.formats', $formats);
$container->setParameter($this->getAlias().'.default_engine', $config['view']['default_engine']);
foreach ($config['view']['force_redirects'] as $format => $code) {
if (true === $code) {
$config['view']['force_redirects'][$format] = Codes::HTTP_FOUND;
}
}
$container->setParameter($this->getAlias().'.force_redirects', $config['view']['force_redirects']);
if (!is_numeric($config['view']['failed_validation'])) {
$config['view']['failed_validation'] = constant('\FOS\Rest\Util\Codes::'.$config['view']['failed_validation']);
}
$container->setParameter($this->getAlias().'.failed_validation', $config['view']['failed_validation']);
if (!empty($config['view']['view_response_listener'])) {
$loader->load('view_response_listener.xml');
$container->setParameter($this->getAlias().'.view_response_listener.force_view', 'force' === $config['view']['view_response_listener']);
}
$container->setParameter($this->getAlias().'.routing.loader.default_format', $config['routing_loader']['default_format']);
foreach ($config['exception']['codes'] as $exception => $code) {
if (!is_numeric($code)) {
$config['exception']['codes'][$exception] = constant("\FOS\Rest\Util\Codes::$code");
}
$this->testExceptionExists($exception);
}
foreach ($config['exception']['messages'] as $exception => $message) {
$this->testExceptionExists($exception);
}
$container->setParameter($this->getAlias().'.exception.codes', $config['exception']['codes']);
$container->setParameter($this->getAlias().'.exception.messages', $config['exception']['messages']);
if (!empty($config['body_listener'])) {
$loader->load('body_listener.xml');
$container->setParameter($this->getAlias().'.decoders', $config['body_listener']['decoders']);
}
if (!empty($config['format_listener'])) {
$loader->load('format_listener.xml');
$container->setParameter($this->getAlias().'.default_priorities', $config['format_listener']['default_priorities']);
$container->setParameter($this->getAlias().'.prefer_extension', $config['format_listener']['prefer_extension']);
$container->setParameter($this->getAlias().'.fallback_format', $config['format_listener']['fallback_format']);
} else {
$container->setParameter($this->getAlias().'.default_priorities', array());
$container->setParameter($this->getAlias().'.prefer_extension', true);
$container->setParameter($this->getAlias().'.fallback_format', 'html');
}
if (!empty($config['view']['mime_types'])) {
$loader->load('mime_type_listener.xml');
$container->setParameter($this->getAlias().'.mime_types', $config['view']['mime_types']);
} else {
$container->setParameter($this->getAlias().'.mime_types', array());
}
if (!empty($config['query_fetcher_listener'])) {
$loader->load('query_fetcher_listener.xml');
}
}
/**
* Check if an exception is loadable.
*
* @param string $exception class to test
* @throws InvalidArgumentException if the class was not found.
*/
private function testExceptionExists($exception)
{
try {
$reflectionExceptionClass = new \ReflectionClass("\Exception");
$reflectionExceptionClass->isSubclassOf($exception);
} catch (\ReflectionException $re) {
throw new \InvalidArgumentException("FOSRestBundle exception mapper: Could not load class $exception. Most probably a problem with your configuration.");
}
}
}