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<?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);
}
}
}
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