Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\Core\Archiver;
Chris@0: 
Chris@0: use Drupal\Component\Plugin\Factory\DefaultFactory;
Chris@0: use Drupal\Core\Cache\CacheBackendInterface;
Chris@0: use Drupal\Core\Extension\ModuleHandlerInterface;
Chris@0: use Drupal\Core\Plugin\DefaultPluginManager;
Chris@0: 
Chris@0: /**
Chris@0:  * Provides an Archiver plugin manager.
Chris@0:  *
Chris@0:  * @see \Drupal\Core\Archiver\Annotation\Archiver
Chris@0:  * @see \Drupal\Core\Archiver\ArchiverInterface
Chris@0:  * @see plugin_api
Chris@0:  */
Chris@0: class ArchiverManager extends DefaultPluginManager {
Chris@0: 
Chris@0:   /**
Chris@0:    * Constructs a ArchiverManager object.
Chris@0:    *
Chris@0:    * @param \Traversable $namespaces
Chris@0:    *   An object that implements \Traversable which contains the root paths
Chris@0:    *   keyed by the corresponding namespace to look for plugin implementations.
Chris@0:    * @param \Drupal\Core\Cache\CacheBackendInterface $cache_backend
Chris@0:    *   Cache backend instance to use.
Chris@0:    * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
Chris@0:    *   The module handler to invoke the alter hook with.
Chris@0:    */
Chris@0:   public function __construct(\Traversable $namespaces, CacheBackendInterface $cache_backend, ModuleHandlerInterface $module_handler) {
Chris@0:     parent::__construct('Plugin/Archiver', $namespaces, $module_handler, 'Drupal\Core\Archiver\ArchiverInterface', 'Drupal\Core\Archiver\Annotation\Archiver');
Chris@0:     $this->alterInfo('archiver_info');
Chris@0:     $this->setCacheBackend($cache_backend, 'archiver_info_plugins');
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function createInstance($plugin_id, array $configuration = []) {
Chris@0:     $plugin_definition = $this->getDefinition($plugin_id);
Chris@0:     $plugin_class = DefaultFactory::getPluginClass($plugin_id, $plugin_definition, 'Drupal\Core\Archiver\ArchiverInterface');
Chris@0:     return new $plugin_class($configuration['filepath']);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getInstance(array $options) {
Chris@0:     $filepath = $options['filepath'];
Chris@0:     foreach ($this->getDefinitions() as $plugin_id => $definition) {
Chris@0:       foreach ($definition['extensions'] as $extension) {
Chris@0:         // Because extensions may be multi-part, such as .tar.gz,
Chris@0:         // we cannot use simpler approaches like substr() or pathinfo().
Chris@0:         // This method isn't quite as clean but gets the job done.
Chris@0:         // Also note that the file may not yet exist, so we cannot rely
Chris@0:         // on fileinfo() or other disk-level utilities.
Chris@0:         if (strrpos($filepath, '.' . $extension) === strlen($filepath) - strlen('.' . $extension)) {
Chris@0:           return $this->createInstance($plugin_id, $options);
Chris@0:         }
Chris@0:       }
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0: }