*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Bundle\FrameworkBundle\Validator;
use Psr\Container\ContainerInterface;
use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\ConstraintValidatorInterface;
use Symfony\Component\Validator\ContainerConstraintValidatorFactory;
use Symfony\Component\Validator\Exception\UnexpectedTypeException;
use Symfony\Component\Validator\Exception\ValidatorException;
@trigger_error(sprintf('The %s class is deprecated since Symfony 3.3 and will be removed in 4.0. Use %s instead.', ConstraintValidatorFactory::class, ContainerConstraintValidatorFactory::class), E_USER_DEPRECATED);
/**
* Uses a service container to create constraint validators.
*
* A constraint validator should be tagged as "validator.constraint_validator"
* in the service container and include an "alias" attribute:
*
*
*
*
*
*
* A constraint may then return this alias in its validatedBy() method:
*
* public function validatedBy()
* {
* return 'some_alias';
* }
*
* @author Kris Wallsmith
*
* @deprecated since version 3.3
*/
class ConstraintValidatorFactory extends ContainerConstraintValidatorFactory
{
protected $container;
protected $validators;
public function __construct(ContainerInterface $container, array $validators = [])
{
parent::__construct($container);
$this->validators = $validators;
$this->container = $container;
}
/**
* Returns the validator for the supplied constraint.
*
* @return ConstraintValidatorInterface A validator for the supplied constraint
*
* @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[$name])) {
return parent::getInstance($constraint);
}
if (\is_string($this->validators[$name])) {
$this->validators[$name] = $this->container->get($this->validators[$name]);
}
if (!$this->validators[$name] instanceof ConstraintValidatorInterface) {
throw new UnexpectedTypeException($this->validators[$name], 'Symfony\Component\Validator\ConstraintValidatorInterface');
}
return $this->validators[$name];
}
}