CurrencyValidator.php in Plug 7

Namespace

Symfony\Component\Validator\Constraints

File

lib/Symfony/validator/Symfony/Component/Validator/Constraints/CurrencyValidator.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <[e-mail]>
 *
 * 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\Intl\Intl;
use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\ConstraintValidator;
use Symfony\Component\Validator\Exception\UnexpectedTypeException;

/**
 * Validates whether a value is a valid currency.
 *
 * @author Miha Vrhovnik <[e-mail]>
 *
 * @api
 */
class CurrencyValidator extends ConstraintValidator {

  /**
   * {@inheritdoc}
   */
  public function validate($value, Constraint $constraint) {
    if (!$constraint instanceof Currency) {
      throw new UnexpectedTypeException($constraint, __NAMESPACE__ . '\\Currency');
    }
    if (null === $value || '' === $value) {
      return;
    }
    if (!is_scalar($value) && !(is_object($value) && method_exists($value, '__toString'))) {
      throw new UnexpectedTypeException($value, 'string');
    }
    $value = (string) $value;
    $currencies = Intl::getCurrencyBundle()
      ->getCurrencyNames();
    if (!isset($currencies[$value])) {
      $this
        ->buildViolation($constraint->message)
        ->setParameter('{{ value }}', $this
        ->formatValue($value))
        ->addViolation();
    }
  }

}

Classes

Name	Description
CurrencyValidator	Validates whether a value is a valid currency.