Файл: symfony-2.7/src/Symfony/Component/Validator/Constraints/LanguageValidator.php
Строк: 97
<?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 SymfonyComponentValidatorConstraints;
use SymfonyComponentIntlIntl;
use SymfonyComponentValidatorContextExecutionContextInterface;
use SymfonyComponentValidatorConstraint;
use SymfonyComponentValidatorConstraintValidator;
use SymfonyComponentValidatorExceptionUnexpectedTypeException;
/**
* Validates whether a value is a valid language code.
*
* @author Bernhard Schussek <bschussek@gmail.com>
*
* @api
*/
class LanguageValidator extends ConstraintValidator
{
/**
* {@inheritdoc}
*/
public function validate($value, Constraint $constraint)
{
if (!$constraint instanceof Language) {
throw new UnexpectedTypeException($constraint, __NAMESPACE__.'Language');
}
if (null === $value || '' === $value) {
return;
}
if (!is_scalar($value) && !(is_object($value) && method_exists($value, '__toString'))) {
throw new UnexpectedTypeException($value, 'string');
}
$value = (string) $value;
$languages = Intl::getLanguageBundle()->getLanguageNames();
if (!isset($languages[$value])) {
if ($this->context instanceof ExecutionContextInterface) {
$this->context->buildViolation($constraint->message)
->setParameter('{{ value }}', $this->formatValue($value))
->addViolation();
} else {
$this->buildViolation($constraint->message)
->setParameter('{{ value }}', $this->formatValue($value))
->addViolation();
}
}
}
}