interface FetcherInterface in Drupal 9

Defines an interface for aggregator fetcher implementations.

A fetcher downloads feed data to a Drupal site. The fetcher is called at the first of the three aggregation stages: first, data is downloaded by the active fetcher; second, it is converted to a common format by the active parser; and finally, it is passed to all active processors, which manipulate or store the data.

Hierarchy

• interface \Drupal\aggregator\Plugin\FetcherInterface

See also

\Drupal\aggregator\Annotation\AggregatorFetcher

\Drupal\aggregator\Plugin\AggregatorPluginSettingsBase

\Drupal\aggregator\Plugin\AggregatorPluginManager

Plugin API

2 files declare their use of FetcherInterface

DefaultFetcher.php in core/modules/aggregator/src/Plugin/aggregator/fetcher/DefaultFetcher.php

TestFetcher.php in core/modules/aggregator/tests/modules/aggregator_test/src/Plugin/aggregator/fetcher/TestFetcher.php

File

core/modules/aggregator/src/Plugin/FetcherInterface.php, line 21

Namespace

Drupal\aggregator\Plugin

interface FetcherInterface {

  /**
   * Downloads feed data.
   *
   * @param \Drupal\aggregator\FeedInterface $feed
   *   A feed object representing the resource to be downloaded.
   *   $feed->getUrl() contains the link to the feed.
   *   Download the data at the URL and expose it
   *   to other modules by attaching it to $feed->source_string.
   *
   * @return bool
   *   TRUE if fetching was successful, FALSE otherwise.
   */
  public function fetch(FeedInterface $feed);

}

Members

Name	Modifiers	Type	Description	Overrides
FetcherInterface::fetch	public	function	Downloads feed data.	1