ComputedFileUrl.php in Drupal 9

Namespace

Drupal\file

File

core/modules/file/src/ComputedFileUrl.php

<?php

namespace Drupal\file;

use Drupal\Core\TypedData\TypedData;

/**
 * Computed file URL property class.
 */
class ComputedFileUrl extends TypedData {

  /**
   * Computed root-relative file URL.
   *
   * @var string
   */
  protected $url = NULL;

  /**
   * {@inheritdoc}
   */
  public function getValue() {
    if ($this->url !== NULL) {
      return $this->url;
    }
    assert($this
      ->getParent()
      ->getEntity() instanceof FileInterface);
    $uri = $this
      ->getParent()
      ->getEntity()
      ->getFileUri();

    /** @var \Drupal\Core\File\FileUrlGeneratorInterface $file_url_generator */
    $file_url_generator = \Drupal::service('file_url_generator');
    $this->url = $file_url_generator
      ->generateString($uri);
    return $this->url;
  }

  /**
   * {@inheritdoc}
   */
  public function setValue($value, $notify = TRUE) {
    $this->url = $value;

    // Notify the parent of any changes.
    if ($notify && isset($this->parent)) {
      $this->parent
        ->onChange($this->name);
    }
  }

}

Classes

Name	Description
ComputedFileUrl	Computed file URL property class.