60 lines
1.9 KiB
PHP
60 lines
1.9 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Validator;
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use Psr\Container\ContainerInterface;
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use Symfony\Component\Validator\Exception\UnexpectedTypeException;
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use Symfony\Component\Validator\Exception\ValidatorException;
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/**
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* Uses a service container to create constraint validators.
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*
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* @author Kris Wallsmith <kris@symfony.com>
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*/
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class ContainerConstraintValidatorFactory implements ConstraintValidatorFactoryInterface
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{
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private array $validators;
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public function __construct(
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private ContainerInterface $container,
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) {
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$this->validators = [];
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}
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/**
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* @throws ValidatorException When the validator class does not exist
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* @throws UnexpectedTypeException When the validator is not an instance of ConstraintValidatorInterface
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*/
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public function getInstance(Constraint $constraint): ConstraintValidatorInterface
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{
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$name = $constraint->validatedBy();
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if (!isset($this->validators[$name])) {
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if ($this->container->has($name)) {
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$this->validators[$name] = $this->container->get($name);
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} else {
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if (!class_exists($name)) {
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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)));
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}
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$this->validators[$name] = new $name();
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}
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}
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if (!$this->validators[$name] instanceof ConstraintValidatorInterface) {
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throw new UnexpectedTypeException($this->validators[$name], ConstraintValidatorInterface::class);
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}
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return $this->validators[$name];
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}
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}
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