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<?php |
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namespace Bankiru\Api\Rpc\Routing; |
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use Symfony\Component\Config\ConfigCacheFactory; |
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use Symfony\Component\Config\ConfigCacheFactoryInterface; |
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use Symfony\Component\Config\ConfigCacheInterface; |
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use Symfony\Component\Config\Resource\FileResource; |
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use Symfony\Component\HttpKernel\CacheWarmer\WarmableInterface; |
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final class Router implements MethodMatcher, WarmableInterface |
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{ |
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/** @var MethodCollectionLoader */ |
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private $loader; |
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/** @var MethodCollection */ |
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private $collection; |
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/** @var MethodMatcher */ |
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private $matcher; |
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/** |
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* @var string |
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*/ |
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private $name; |
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/** @var ConfigCacheFactoryInterface */ |
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private $configCacheFactory; |
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private $options = []; |
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/** |
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* Router constructor. |
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* |
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* @param MethodCollectionLoader $loader |
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* @param string $name |
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* @param array $options |
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*/ |
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public function __construct(MethodCollectionLoader $loader, $name, array $options = []) |
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{ |
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$this->loader = $loader; |
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$this->name = $name; |
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$this->setOptions($options); |
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} |
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/** |
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* @return MethodCollection |
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*/ |
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public function getMethodCollection() |
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{ |
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if (null === $this->collection) { |
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$this->collection = $this->loader->loadCollection(); |
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} |
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return $this->collection; |
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} |
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/** {@inheritdoc} */ |
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public function match($method) |
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{ |
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return $this->getMatcher()->match($method); |
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} |
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/** |
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* Warms up the cache. |
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* |
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* @param string $cacheDir The cache directory |
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*/ |
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public function warmUp($cacheDir) |
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{ |
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$currentDir = $this->getOption('cache_dir'); |
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// force cache generation |
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$this->setOption('cache_dir', $cacheDir); |
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$this->getMatcher(); |
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$this->setOption('cache_dir', $currentDir); |
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} |
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/** |
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* Sets an option. |
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* |
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* @param string $key The key |
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* @param mixed $value The value |
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* |
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* @throws \InvalidArgumentException |
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*/ |
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public function setOption($key, $value) |
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{ |
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$this->validateOption($key); |
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$this->options[$key] = $value; |
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} |
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/** |
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* Gets an option value. |
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* |
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* @param string $key The key |
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* |
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* @return mixed The value |
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* |
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* @throws \InvalidArgumentException |
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*/ |
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public function getOption($key) |
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{ |
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if (!array_key_exists($key, $this->options)) { |
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throw new \InvalidArgumentException(sprintf('The Router does not support the "%s" option.', $key)); |
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} |
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return $this->options[$key]; |
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} |
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/** |
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* Sets options. |
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* |
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* Available options: |
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* |
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* * cache_dir: The cache directory (or null to disable caching) |
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* * debug: Whether to enable debugging or not (false by default) |
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* |
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* @param array $options An array of options |
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* |
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* @throws \InvalidArgumentException When unsupported option is provided |
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*/ |
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public function setOptions(array $options) |
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{ |
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$this->options = [ |
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'cache_dir' => null, |
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'debug' => false, |
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'matcher_cache_class' => ucfirst($this->name) . 'MethodMatcher', |
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]; |
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// check option names and live merge, if errors are encountered Exception will be thrown |
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$invalid = []; |
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foreach ($options as $key => $value) { |
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if (array_key_exists($key, $this->options)) { |
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$this->options[$key] = $value; |
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} else { |
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$invalid[] = $key; |
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} |
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} |
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if (!empty($invalid)) { |
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throw new \InvalidArgumentException( |
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sprintf('The Router does not support the following options: "%s".', implode('", "', $invalid)) |
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); |
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} |
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} |
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/** |
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* @return MethodMatcher |
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*/ |
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private function getMatcher() |
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{ |
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if (null !== $this->matcher) { |
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return $this->matcher; |
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} |
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if (null === $this->options['cache_dir'] || null === $this->options['matcher_cache_class']) { |
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$this->matcher = new CollectionMatcher($this->getMethodCollection()); |
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return $this->matcher; |
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} |
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$cache = $this->getConfigCacheFactory()->cache( |
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$this->options['cache_dir'] . '/rpc/' . $this->options['matcher_cache_class'] . '.php', |
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function (ConfigCacheInterface $cache) { |
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$dumper = new MatcherDumper(); |
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$options = [ |
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'class' => $this->options['matcher_cache_class'], |
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]; |
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$resources = $this->getMethodCollection()->getResources(); |
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$refl = new \ReflectionClass(MatcherDumper::class); |
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$resources[] = new FileResource($refl->getFileName()); |
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$cache->write($dumper->dump($this->getMethodCollection(), $options), $resources); |
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} |
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); |
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require_once $cache->getPath(); |
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$this->matcher = new $this->options['matcher_cache_class']($cache); |
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return $this->matcher; |
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} |
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/** |
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* Provides the ConfigCache factory implementation, falling back to a |
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* default implementation if necessary. |
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* |
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* @return ConfigCacheFactoryInterface $configCacheFactory |
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*/ |
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private function getConfigCacheFactory() |
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{ |
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if (null === $this->configCacheFactory) { |
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$this->configCacheFactory = new ConfigCacheFactory(true); |
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} |
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return $this->configCacheFactory; |
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} |
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/** |
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* @param $key |
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*/ |
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private function validateOption($key) |
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{ |
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if (!array_key_exists($key, $this->options)) { |
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throw new \InvalidArgumentException(sprintf('The Router does not support the "%s" option.', $key)); |
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} |
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} |
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} |
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bankiru /
rpc-server-bundle
