www.aleph1.co.uk Git - yaffs-website/blob - web/core/lib/Drupal/Core/Validation/ConstraintValidatorFactory.php

   1 <?php
   2
   3 namespace Drupal\Core\Validation;
   4
   5 use Drupal\Core\DependencyInjection\ClassResolverInterface;
   6 use Symfony\Component\Validator\Constraint;
   7 use Symfony\Component\Validator\ConstraintValidatorFactory as BaseConstraintValidatorFactory;
   8
   9 /**
  10  * Defines a constraint validator factory that works with container injection.
  11  */
  12 class ConstraintValidatorFactory extends BaseConstraintValidatorFactory {
  13
  14   /**
  15    * Constructs a new ConstraintValidatorFactory.
  16    *
  17    * @param \Drupal\Core\DependencyInjection\ClassResolverInterface $class_resolver
  18    */
  19   public function __construct(ClassResolverInterface $class_resolver) {
  20     $this->classResolver = $class_resolver;
  21   }
  22
  23   /**
  24    * {@inheritdoc}
  25    */
  26   public function getInstance(Constraint $constraint) {
  27     $class_name = $constraint->validatedBy();
  28
  29     if (!isset($this->validators[$class_name])) {
  30       $this->validators[$class_name] = $this->classResolver->getInstanceFromDefinition($class_name);
  31     }
  32
  33     return $this->validators[$class_name];
  34   }
  35
  36 }