RecursiveValidatorFactory.php

<?php

namespace Drupal\file\Validation;

use Drupal\Core\DependencyInjection\ClassResolverInterface;
use Drupal\Core\TypedData\TypedDataManagerInterface;
use Drupal\Core\Validation\ExecutionContextFactory;
use Drupal\Core\TypedData\Validation\RecursiveValidator;
use Drupal\Core\Validation\ConstraintValidatorFactory;
use Drupal\Core\Validation\DrupalTranslator;

/**
 * Factory for creating a new RecursiveValidator.
 */
class RecursiveValidatorFactory {
    
    /**
     * Constructs a new RecursiveValidatorFactory.
     *
     * @param \Drupal\Core\DependencyInjection\ClassResolverInterface $classResolver
     *   The class resolver.
     * @param \Drupal\Core\TypedData\TypedDataManagerInterface $typedDataManager
     *   The typed data manager.
     */
    public function __construct(ClassResolverInterface $classResolver, TypedDataManagerInterface $typedDataManager) {
    }
    
    /**
     * Creates a new RecursiveValidator.
     *
     * @return \Drupal\Core\TypedData\Validation\RecursiveValidator
     *   The validator.
     */
    public function createValidator() : RecursiveValidator {
        return new RecursiveValidator(new ExecutionContextFactory(new DrupalTranslator()), new ConstraintValidatorFactory($this->classResolver), $this->typedDataManager);
    }

}