NotBlankValidator.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\Constraints;

use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\ConstraintValidator;
use Symfony\Component\Validator\Exception\UnexpectedTypeException;

/**
 * @author Bernhard Schussek <bschussek@gmail.com>
 * @author Kévin Dunglas <dunglas@gmail.com>
 */
class NotBlankValidator extends ConstraintValidator {
    public function validate(mixed $value, Constraint $constraint) : void {
        if (!$constraint instanceof NotBlank) {
            throw new UnexpectedTypeException($constraint, NotBlank::class);
        }
        if ($constraint->allowNull && null === $value) {
            return;
        }
        if (\is_string($value) && null !== $constraint->normalizer) {
            $value = ($constraint->normalizer)($value);
        }
        if (false === $value || !$value && '0' != $value) {
            $this->context
                ->buildViolation($constraint->message)
                ->setParameter('{{ value }}', $this->formatValue($value))
                ->setCode(NotBlank::IS_BLANK_ERROR)
                ->addViolation();
        }
    }

}