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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 Psr\Container\ContainerInterface;
- use Symfony\Component\Validator\Exception\UnexpectedTypeException;
- use Symfony\Component\Validator\Exception\ValidatorException;
- /**
- * Uses a service container to create constraint validators.
- *
- * @author Kris Wallsmith <kris@symfony.com>
- */
- class ContainerConstraintValidatorFactory implements ConstraintValidatorFactoryInterface
- {
- private $container;
- private $validators;
- public function __construct(ContainerInterface $container)
- {
- $this->container = $container;
- $this->validators = [];
- }
- /**
- * {@inheritdoc}
- *
- * @throws ValidatorException When the validator class does not exist
- * @throws UnexpectedTypeException When the validator is not an instance of ConstraintValidatorInterface
- */
- public function getInstance(Constraint $constraint)
- {
- $name = $constraint->validatedBy();
- if (!isset($this->validators[$name])) {
- if ($this->container->has($name)) {
- $this->validators[$name] = $this->container->get($name);
- } else {
- if (!class_exists($name)) {
- throw new ValidatorException(sprintf('Constraint validator "%s" does not exist or is not enabled. Check the "validatedBy" method in your constraint class "%s".', $name, get_debug_type($constraint)));
- }
- $this->validators[$name] = new $name();
- }
- }
- if (!$this->validators[$name] instanceof ConstraintValidatorInterface) {
- throw new UnexpectedTypeException($this->validators[$name], ConstraintValidatorInterface::class);
- }
- return $this->validators[$name];
- }
- }
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