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class ArchiverManager in Drupal 8

Same name and namespace in other branches
  1. 9 core/lib/Drupal/Core/Archiver/ArchiverManager.php \Drupal\Core\Archiver\ArchiverManager

Provides an Archiver plugin manager.

Hierarchy

Expanded class hierarchy of ArchiverManager

See also

\Drupal\Core\Archiver\Annotation\Archiver

\Drupal\Core\Archiver\ArchiverInterface

Plugin API

1 file declares its use of ArchiverManager
UpdateManagerInstall.php in core/modules/update/src/Form/UpdateManagerInstall.php
1 string reference to 'ArchiverManager'
core.services.yml in core/core.services.yml
core/core.services.yml
1 service uses ArchiverManager
plugin.manager.archiver in core/core.services.yml
Drupal\Core\Archiver\ArchiverManager

File

core/lib/Drupal/Core/Archiver/ArchiverManager.php, line 18

Namespace

Drupal\Core\Archiver
View source 
class ArchiverManager extends DefaultPluginManager {

  /**
   * The file system service.
   *
   * @var \Drupal\Core\File\FileSystemInterface
   */
  protected $fileSystem;

  /**
   * 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.
   * @param \Drupal\Core\File\FileSystemInterface $file_system
   *   The file handler.
   */
  public function __construct(\Traversable $namespaces, CacheBackendInterface $cache_backend, ModuleHandlerInterface $module_handler, FileSystemInterface $file_system = NULL) {
    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');
    if (!isset($file_system)) {
      @trigger_error('Not defining the final $file_system argument to ' . __METHOD__ . ' is deprecated in drupal:8.8.3 and will throw an error in drupal:10.0.0.', E_USER_DEPRECATED);
      $file_system = \Drupal::service('file_system');
    }
    $this->fileSystem = $file_system;
  }

  /**
   * {@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 $plugin_class($this->fileSystem
      ->realpath($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);
        }
      }
    }
  }

  /**
   * Returns a string of supported archive extensions.
   *
   * @return string
   *   A space-separated string of extensions suitable for use by the file
   *   validation system.
   */
  public function getExtensions() {
    $valid_extensions = [];
    foreach ($this
      ->getDefinitions() as $archive) {
      foreach ($archive['extensions'] as $extension) {
        foreach (explode('.', $extension) as $part) {
          if (!in_array($part, $valid_extensions)) {
            $valid_extensions[] = $part;
          }
        }
      }
    }
    return implode(' ', $valid_extensions);
  }

}

Members

Namesort descending Modifiers Type Description Overrides
ArchiverManager::$fileSystem protected property The file system service.
ArchiverManager::createInstance public function Creates a pre-configured instance of a plugin. Overrides PluginManagerBase::createInstance
ArchiverManager::getExtensions public function Returns a string of supported archive extensions.
ArchiverManager::getInstance public function Gets a preconfigured instance of a plugin. Overrides PluginManagerBase::getInstance
ArchiverManager::__construct public function Constructs a ArchiverManager object. Overrides DefaultPluginManager::__construct
DefaultPluginManager::$additionalAnnotationNamespaces protected property Additional namespaces the annotation discovery mechanism should scan for annotation definitions.
DefaultPluginManager::$alterHook protected property Name of the alter hook if one should be invoked.
DefaultPluginManager::$cacheKey protected property The cache key.
DefaultPluginManager::$cacheTags protected property An array of cache tags to use for the cached definitions.
DefaultPluginManager::$defaults protected property A set of defaults to be referenced by $this->processDefinition() if additional processing of plugins is necessary or helpful for development purposes. 9
DefaultPluginManager::$moduleHandler protected property The module handler to invoke the alter hook. 1
DefaultPluginManager::$namespaces protected property An object that implements \Traversable which contains the root paths keyed by the corresponding namespace to look for plugin implementations.
DefaultPluginManager::$pluginDefinitionAnnotationName protected property The name of the annotation that contains the plugin definition.
DefaultPluginManager::$pluginInterface protected property The interface each plugin should implement. 1
DefaultPluginManager::$subdir protected property The subdirectory within a namespace to look for plugins, or FALSE if the plugins are in the top level of the namespace.
DefaultPluginManager::alterDefinitions protected function Invokes the hook to alter the definitions if the alter hook is set. 1
DefaultPluginManager::alterInfo protected function Sets the alter hook name.
DefaultPluginManager::clearCachedDefinitions public function Clears static and persistent plugin definition caches. Overrides CachedDiscoveryInterface::clearCachedDefinitions 5
DefaultPluginManager::extractProviderFromDefinition protected function Extracts the provider from a plugin definition.
DefaultPluginManager::findDefinitions protected function Finds plugin definitions. 7
DefaultPluginManager::fixContextAwareDefinitions private function Fix the definitions of context-aware plugins.
DefaultPluginManager::getCacheContexts public function The cache contexts associated with this object. Overrides CacheableDependencyInterface::getCacheContexts
DefaultPluginManager::getCachedDefinitions protected function Returns the cached plugin definitions of the decorated discovery class.
DefaultPluginManager::getCacheMaxAge public function The maximum age for which this object may be cached. Overrides CacheableDependencyInterface::getCacheMaxAge
DefaultPluginManager::getCacheTags public function The cache tags associated with this object. Overrides CacheableDependencyInterface::getCacheTags
DefaultPluginManager::getDefinitions public function Gets the definition of all plugins for this type. Overrides DiscoveryTrait::getDefinitions 2
DefaultPluginManager::getDiscovery protected function Gets the plugin discovery. Overrides PluginManagerBase::getDiscovery 12
DefaultPluginManager::getFactory protected function Gets the plugin factory. Overrides PluginManagerBase::getFactory
DefaultPluginManager::processDefinition public function Performs extra processing on plugin definitions. 13
DefaultPluginManager::providerExists protected function Determines if the provider of a definition exists. 3
DefaultPluginManager::setCacheBackend public function Initialize the cache backend.
DefaultPluginManager::setCachedDefinitions protected function Sets a cache of plugin definitions for the decorated discovery class.
DefaultPluginManager::useCaches public function Disable the use of caches. Overrides CachedDiscoveryInterface::useCaches 1
DiscoveryCachedTrait::$definitions protected property Cached definitions array. 1
DiscoveryCachedTrait::getDefinition public function Overrides DiscoveryTrait::getDefinition 3
DiscoveryTrait::doGetDefinition protected function Gets a specific plugin definition.
DiscoveryTrait::hasDefinition public function
PluginManagerBase::$discovery protected property The object that discovers plugins managed by this manager.
PluginManagerBase::$factory protected property The object that instantiates plugins managed by this manager.
PluginManagerBase::$mapper protected property The object that returns the preconfigured plugin instance appropriate for a particular runtime condition.
PluginManagerBase::handlePluginNotFound protected function Allows plugin managers to specify custom behavior if a plugin is not found. 1
UseCacheBackendTrait::$cacheBackend protected property Cache backend instance.
UseCacheBackendTrait::$useCaches protected property Flag whether caches should be used or skipped.
UseCacheBackendTrait::cacheGet protected function Fetches from the cache backend, respecting the use caches flag. 1
UseCacheBackendTrait::cacheSet protected function Stores data in the persistent cache, respecting the use caches flag.