EthikTag/vendor/symfony/validator/ContainerConstraintValidato...

63 lines
1.9 KiB
PHP

<?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];
}
}