Version 1
[yaffs-website] / vendor / symfony / validator / Constraints / CurrencyValidator.php
1 <?php
2
3 /*
4  * This file is part of the Symfony package.
5  *
6  * (c) Fabien Potencier <fabien@symfony.com>
7  *
8  * For the full copyright and license information, please view the LICENSE
9  * file that was distributed with this source code.
10  */
11
12 namespace Symfony\Component\Validator\Constraints;
13
14 use Symfony\Component\Intl\Intl;
15 use Symfony\Component\Validator\Context\ExecutionContextInterface;
16 use Symfony\Component\Validator\Constraint;
17 use Symfony\Component\Validator\ConstraintValidator;
18 use Symfony\Component\Validator\Exception\UnexpectedTypeException;
19
20 /**
21  * Validates whether a value is a valid currency.
22  *
23  * @author Miha Vrhovnik <miha.vrhovnik@pagein.si>
24  * @author Bernhard Schussek <bschussek@gmail.com>
25  */
26 class CurrencyValidator extends ConstraintValidator
27 {
28     /**
29      * {@inheritdoc}
30      */
31     public function validate($value, Constraint $constraint)
32     {
33         if (!$constraint instanceof Currency) {
34             throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Currency');
35         }
36
37         if (null === $value || '' === $value) {
38             return;
39         }
40
41         if (!is_scalar($value) && !(is_object($value) && method_exists($value, '__toString'))) {
42             throw new UnexpectedTypeException($value, 'string');
43         }
44
45         $value = (string) $value;
46         $currencies = Intl::getCurrencyBundle()->getCurrencyNames();
47
48         if (!isset($currencies[$value])) {
49             if ($this->context instanceof ExecutionContextInterface) {
50                 $this->context->buildViolation($constraint->message)
51                     ->setParameter('{{ value }}', $this->formatValue($value))
52                     ->setCode(Currency::NO_SUCH_CURRENCY_ERROR)
53                     ->addViolation();
54             } else {
55                 $this->buildViolation($constraint->message)
56                     ->setParameter('{{ value }}', $this->formatValue($value))
57                     ->setCode(Currency::NO_SUCH_CURRENCY_ERROR)
58                     ->addViolation();
59             }
60         }
61     }
62 }