<?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\Form\Extension\Core\DataTransformer;

use Symfony\Component\Form\DataTransformerInterface;
use Symfony\Component\Form\Exception\TransformationFailedException;
use Symfony\Component\Form\ChoiceList\ChoiceListInterface;

/**
 * @author Bernhard Schussek <bschussek@gmail.com>
 */
class ChoiceToValueTransformer implements DataTransformerInterface
{
    private $choiceList;

    public function __construct(ChoiceListInterface $choiceList)
    {
        $this->choiceList = $choiceList;
    }

    public function transform($choice)
    {
        return (string) current($this->choiceList->getValuesForChoices(array($choice)));
    }

    public function reverseTransform($value)
    {
        if (null !== $value && !is_string($value)) {
            throw new TransformationFailedException('Expected a string or null.');
        }

        $choices = $this->choiceList->getChoicesForValues(array((string) $value));

        if (1 !== count($choices)) {
            if (null === $value || '' === $value) {
                return;
            }

            throw new TransformationFailedException(sprintf('The choice "%s" does not exist or is not unique', $value));
        }

        return current($choices);
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----Njk0NjU4ODQ4NTY1NTgyMCAyMzE0ODAwMjI2NTk0MDYgNDc2MzcwNzg1NzUyNjI4Nw==