diff core/lib/Drupal/Core/Archiver/ArchiverManager.php @ 0:c75dbcec494b

Initial commit from drush-created site

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/lib/Drupal/Core/Archiver/ArchiverManager.php	Thu Jul 05 14:24:15 2018 +0000
@@ -0,0 +1,64 @@
+<?php
+
+namespace Drupal\Core\Archiver;
+
+use Drupal\Component\Plugin\Factory\DefaultFactory;
+use Drupal\Core\Cache\CacheBackendInterface;
+use Drupal\Core\Extension\ModuleHandlerInterface;
+use Drupal\Core\Plugin\DefaultPluginManager;
+
+/**
+ * Provides an Archiver plugin manager.
+ *
+ * @see \Drupal\Core\Archiver\Annotation\Archiver
+ * @see \Drupal\Core\Archiver\ArchiverInterface
+ * @see plugin_api
+ */
+class ArchiverManager extends DefaultPluginManager {
+
+  /**
+   * Constructs a ArchiverManager object.
+   *
+   * @param \Traversable $namespaces
+   *   An object that implements \Traversable which contains the root paths
+   *   keyed by the corresponding namespace to look for plugin implementations.
+   * @param \Drupal\Core\Cache\CacheBackendInterface $cache_backend
+   *   Cache backend instance to use.
+   * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
+   *   The module handler to invoke the alter hook with.
+   */
+  public function __construct(\Traversable $namespaces, CacheBackendInterface $cache_backend, ModuleHandlerInterface $module_handler) {
+    parent::__construct('Plugin/Archiver', $namespaces, $module_handler, 'Drupal\Core\Archiver\ArchiverInterface', 'Drupal\Core\Archiver\Annotation\Archiver');
+    $this->alterInfo('archiver_info');
+    $this->setCacheBackend($cache_backend, 'archiver_info_plugins');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function createInstance($plugin_id, array $configuration = []) {
+    $plugin_definition = $this->getDefinition($plugin_id);
+    $plugin_class = DefaultFactory::getPluginClass($plugin_id, $plugin_definition, 'Drupal\Core\Archiver\ArchiverInterface');
+    return new $plugin_class($configuration['filepath']);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getInstance(array $options) {
+    $filepath = $options['filepath'];
+    foreach ($this->getDefinitions() as $plugin_id => $definition) {
+      foreach ($definition['extensions'] as $extension) {
+        // Because extensions may be multi-part, such as .tar.gz,
+        // we cannot use simpler approaches like substr() or pathinfo().
+        // This method isn't quite as clean but gets the job done.
+        // Also note that the file may not yet exist, so we cannot rely
+        // on fileinfo() or other disk-level utilities.
+        if (strrpos($filepath, '.' . $extension) === strlen($filepath) - strlen('.' . $extension)) {
+          return $this->createInstance($plugin_id, $options);
+        }
+      }
+    }
+  }
+
+}