factory.php

См. документацию.

<?php
 
namespace Bitrix\Location\Entity\Source;
 
use Bitrix\Location\Entity\Source;
use Bitrix\Location\Exception\RuntimeException;
use Bitrix\Location\Source\Google\GoogleSource;
use Bitrix\Location\Source\Osm\OsmSource;

final class Factory
{
    public const GOOGLE_SOURCE_CODE = 'GOOGLE';
    public const OSM_SOURCE_CODE = 'OSM';

    public static function makeSource(string $code): Source
    {
        $class = null;
 
        switch ($code)
        {
            case static::GOOGLE_SOURCE_CODE:
                $class = GoogleSource::class;
                break;
            case static::OSM_SOURCE_CODE:
                $class = OsmSource::class;
                break;
        }
 
        if (is_null($class))
        {
            throw new RuntimeException(sprintf('Unexpected source code - %s', $code));
        }

        return (new $class())->setCode($code);
    }
}