LanguageServiceFactory.php

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<?php
 
declare(strict_types=1);
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
namespace ‪TYPO3\CMS\Core\Localization;
 
use ‪TYPO3\CMS\Core\Authentication\AbstractUserAuthentication;
use ‪TYPO3\CMS\Core\Cache\Frontend\FrontendInterface;
use ‪TYPO3\CMS\Core\Site\Entity\SiteLanguage;
 
class ‪LanguageServiceFactory
{
    protected ‪Locales ‪$locales;
    protected ‪LocalizationFactory ‪$localizationFactory;
    protected ‪FrontendInterface ‪$runtimeCache;
 
    public function ‪__construct(
        ‪Locales ‪$locales,
        ‪LocalizationFactory ‪$localizationFactory,
        ‪FrontendInterface ‪$runtimeCache
    ) {
        $this->locales = ‪$locales;
        $this->localizationFactory = ‪$localizationFactory;
        $this->runtimeCache = ‪$runtimeCache;
    }
 
    public function ‪create(‪Locale|string $locale): ‪LanguageService
    {
        $obj = new ‪LanguageService($this->locales, $this->localizationFactory, $this->runtimeCache);
        $obj->init($locale instanceof ‪Locale ? $locale : $this->locales->createLocale($locale));
        return $obj;
    }
 
    public function ‪createFromUserPreferences(?‪AbstractUserAuthentication $user): ‪LanguageService
    {
        return $this->‪create($this->locales->createLocaleFromUserPreferences($user));
    }
 
    public function ‪createFromSiteLanguage(‪SiteLanguage $language): ‪LanguageService
    {
        // createLocale from a string takes care of resolving the automatic dependencies of e.g. "de_AT" to also check for "de"
        // and also validates if TYPO3 supports the original language (at least in TYPO3 v12, there is a fixed list of
        // allowed language keys)
        return $this->‪create((string)$language->‪getLocale());
    }
}