class ClassResolverConstraintValidator

Validates if a method on a service or instantiated object returns true.

Hierarchy

Expanded class hierarchy of ClassResolverConstraintValidator

File

core/lib/Drupal/Core/Validation/Plugin/Validation/Constraint/ClassResolverConstraintValidator.php, line 17

Namespace

Drupal\Core\Validation\Plugin\Validation\Constraint
View source 
class ClassResolverConstraintValidator extends ConstraintValidator implements ContainerInjectionInterface {
    public function __construct(ClassResolver $classResolver) {
    }
    
    /**
     * {@inheritdoc}
     */
    public static function create(ContainerInterface $container) : static {
        return new static($container->get('class_resolver'));
    }
    
    /**
     * {@inheritdoc}
     */
    public function validate(mixed $value, Constraint $constraint) : void {
        if (!$constraint instanceof ClassResolverConstraint) {
            throw new UnexpectedTypeException($constraint, ClassResolverConstraint::class);
        }
        $service = $this->classResolver
            ->getInstanceFromDefinition($constraint->classOrService);
        if (!method_exists($service, $constraint->method)) {
            throw new \InvalidArgumentException('The method "' . $constraint->method . '" does not exist on the service "' . $constraint->classOrService . '".');
        }
        $result = $service->{$constraint->method}($value);
        if ($result !== TRUE) {
            $this->context
                ->buildViolation($constraint->message)
                ->setParameter('@classOrService', $constraint->classOrService)
                ->setParameter('@method', $constraint->method)
                ->setParameter('@value', $value)
                ->addViolation();
        }
    }

}

Members

Title Modifiers Object type Summary Overriden Title
ClassResolverConstraintValidator::create public static function Instantiates a new instance of this class. Overrides ContainerInjectionInterface::create
ClassResolverConstraintValidator::validate public function
ClassResolverConstraintValidator::__construct public function

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.