class FileIsImageConstraintValidator

Validator for the FileIsImageConstraint.

Hierarchy

class \Symfony\Component\Validator\ConstraintValidator implements \Symfony\Component\Validator\ConstraintValidatorInterface
- class \Drupal\file\Plugin\Validation\Constraint\BaseFileConstraintValidator extends \Symfony\Component\Validator\ConstraintValidator
  - class \Drupal\file\Plugin\Validation\Constraint\FileIsImageConstraintValidator extends \Drupal\file\Plugin\Validation\Constraint\BaseFileConstraintValidator implements \Drupal\Core\DependencyInjection\ContainerInjectionInterface

Expanded class hierarchy of FileIsImageConstraintValidator

File

core/modules/file/src/Plugin/Validation/Constraint/FileIsImageConstraintValidator.php, line 16

Namespace

Drupal\file\Plugin\Validation\Constraint

View source

class FileIsImageConstraintValidator extends BaseFileConstraintValidator implements ContainerInjectionInterface {
    
    /**
     * Creates a new FileIsImageConstraintValidator.
     *
     * @param \Drupal\Core\Image\ImageFactory $imageFactory
     *   The image factory.
     */
    public function __construct(ImageFactory $imageFactory) {
    }
    
    /**
     * {@inheritdoc}
     */
    public static function create(ContainerInterface $container) {
        return new static($container->get('image.factory'));
    }
    
    /**
     * {@inheritdoc}
     */
    public function validate(mixed $value, Constraint $constraint) : void {
        $file = $this->assertValueIsFile($value);
        if (!$constraint instanceof FileIsImageConstraint) {
            throw new UnexpectedTypeException($constraint, FileIsImageConstraint::class);
        }
        $image = $this->imageFactory
            ->get($file->getFileUri());
        if (!$image->isValid()) {
            $supportedExtensions = $this->imageFactory
                ->getSupportedExtensions();
            $this->context
                ->addViolation($constraint->message, [
                '%types' => implode(', ', $supportedExtensions),
            ]);
        }
    }

}

Members

Title Sort descending	Modifiers	Object type	Summary	Overriden Title
BaseFileConstraintValidator::assertValueIsFile	protected	function	Checks the value is of type FileInterface.
ConstraintValidator::$context	protected	property
ConstraintValidator::formatTypeOf	protected	function	Returns a string representation of the type of the value.
ConstraintValidator::formatValue	protected	function	Returns a string representation of the value.
ConstraintValidator::formatValues	protected	function	Returns a string representation of a list of values.
ConstraintValidator::initialize	public	function	Initializes the constraint validator.	Overrides ConstraintValidatorInterface::initialize
ConstraintValidator::OBJECT_TO_STRING	public	constant	Whether to cast objects with a "__toString()" method to strings.
ConstraintValidator::PRETTY_DATE	public	constant	Whether to format {@link \DateTime} objects, either with the {@link \IntlDateFormatter} (if it is available) or as RFC-3339 dates ("Y-m-d H:i:s").
FileIsImageConstraintValidator::create	public static	function	Instantiates a new instance of this class.	Overrides ContainerInjectionInterface::create
FileIsImageConstraintValidator::validate	public	function	Checks if the passed value is valid.	Overrides ConstraintValidatorInterface::validate
FileIsImageConstraintValidator::__construct	public	function	Creates a new FileIsImageConstraintValidator.