<?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\Bundle\FrameworkBundle\CacheWarmer;

use Symfony\Component\HttpKernel\CacheWarmer\CacheWarmerInterface;
use Symfony\Component\HttpKernel\CacheWarmer\WarmableInterface;
use Symfony\Component\Translation\TranslatorInterface;

/**
 * Generates the catalogues for translations.
 *
 * @author Xavier Leune <xavier.leune@gmail.com>
 */
class TranslationsCacheWarmer implements CacheWarmerInterface
{
    private $translator;

    public function __construct(TranslatorInterface $translator)
    {
        $this->translator = $translator;
    }

    /**
     * {@inheritdoc}
     */
    public function warmUp($cacheDir)
    {
        if ($this->translator instanceof WarmableInterface) {
            $this->translator->warmUp($cacheDir);
        }
    }

    /**
     * {@inheritdoc}
     */
    public function isOptional()
    {
        return true;
    }
}