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symfony/src/Symfony/Component/Routing/Loader/AnnotationDirectoryLoader.php

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<?php
/*
* This file is part of the Symfony package.
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*
* (c) Fabien Potencier <fabien@symfony.com>
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*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
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*/
namespace Symfony\Component\Routing\Loader;
use Symfony\Component\Routing\RouteCollection;
use Symfony\Component\Config\Resource\DirectoryResource;
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/**
* AnnotationDirectoryLoader loads routing information from annotations set
* on PHP classes and methods.
*
* @author Fabien Potencier <fabien@symfony.com>
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*/
class AnnotationDirectoryLoader extends AnnotationFileLoader
{
/**
* Loads from annotations from a directory.
*
* @param string $path A directory path
* @param string $type The resource type
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*
* @return RouteCollection A RouteCollection instance
*
* @throws \InvalidArgumentException When the directory does not exist or its routes cannot be parsed
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*/
public function load($path, $type = null)
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{
$dir = $this->locator->locate($path);
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$collection = new RouteCollection();
$collection->addResource(new DirectoryResource($dir, '/\.php$/'));
$files = iterator_to_array(new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($dir), \RecursiveIteratorIterator::LEAVES_ONLY));
usort($files, function (\SplFileInfo $a, \SplFileInfo $b) {
return (string) $a > (string) $b ? 1 : -1;
});
foreach ($files as $file) {
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if (!$file->isFile() || '.php' !== substr($file->getFilename(), -4)) {
continue;
}
if ($class = $this->findClass($file)) {
$refl = new \ReflectionClass($class);
if ($refl->isAbstract()) {
continue;
}
$collection->addCollection($this->loader->load($class, $type));
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}
}
return $collection;
}
/**
* {@inheritdoc}
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*/
public function supports($resource, $type = null)
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{
try {
$path = $this->locator->locate($resource);
} catch (\Exception $e) {
return false;
}
return is_string($resource) && is_dir($path) && (!$type || 'annotation' === $type);
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}
}