wikimedia/mediawiki-extensions-Wikibase

<?php declare( strict_types=1 );

namespace Wikibase\Repo\RestApi\Infrastructure;

use ValueValidators\ValueValidator;
use Wikibase\Repo\RestApi\Application\Validation\AliasLanguageCodeValidator;
use Wikibase\Repo\RestApi\Application\Validation\DescriptionLanguageCodeValidator;
use Wikibase\Repo\RestApi\Application\Validation\LabelLanguageCodeValidator;
use Wikibase\Repo\RestApi\Application\Validation\ValidationError;

/**
 * @license GPL-2.0-or-later
 */
class ValueValidatorLanguageCodeValidator
    implements LabelLanguageCodeValidator, DescriptionLanguageCodeValidator, AliasLanguageCodeValidator {

    private ValueValidator $validator;

    public function __construct( ValueValidator $validator ) {
        $this->validator = $validator;
    }

    public function validate( string $languageCode, string $basePath = '' ): ?ValidationError {
        $result = $this->validator->validate( $languageCode );
        if ( !$result->isValid() ) {
            return new ValidationError(
                self::CODE_INVALID_LANGUAGE_CODE,
                [ self::CONTEXT_LANGUAGE_CODE => $languageCode, self::CONTEXT_PATH => $basePath ]
            );
        }

        return null;
    }

}