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- <?php
- /*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
- namespace Symfony\Component\Validator;
- use Symfony\Component\Validator\Constraints\ExpressionValidator;
- /**
- * Default implementation of the ConstraintValidatorFactoryInterface.
- *
- * This enforces the convention that the validatedBy() method on any
- * Constraint will return the class name of the ConstraintValidator that
- * should validate the Constraint.
- *
- * @author Bernhard Schussek <bschussek@gmail.com>
- */
- class ConstraintValidatorFactory implements ConstraintValidatorFactoryInterface
- {
- protected $validators = [];
- public function __construct()
- {
- }
- /**
- * {@inheritdoc}
- */
- public function getInstance(Constraint $constraint)
- {
- $className = $constraint->validatedBy();
- if (!isset($this->validators[$className])) {
- $this->validators[$className] = 'validator.expression' === $className
- ? new ExpressionValidator()
- : new $className();
- }
- return $this->validators[$className];
- }
- }
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