UrlAlias.php

<?php

namespace Drupal\path\Plugin\migrate\destination;

use Drupal\migrate\Plugin\migrate\destination\EntityContentBase;
use Drupal\migrate\Row;
@trigger_error('UrlAlias is deprecated in drupal:8.8.0 and is removed from drupal:9.0.0. Use the entity:path_alias destination instead. See https://www.drupal.org/node/3013865', E_USER_DEPRECATED);

/**
 * Legacy destination class for non-entity path aliases.
 *
 * @MigrateDestination(
 *   id = "url_alias"
 * )
 *
 * @deprecated in drupal:8.8.0 and is removed from drupal:9.0.0. Use
 * the entity:path_alias destination instead.
 *
 * @see https://www.drupal.org/node/3013865
 */
class UrlAlias extends EntityContentBase {
    
    /**
     * {@inheritdoc}
     */
    public function import(Row $row, array $old_destination_id_values = []) {
        if ($row->getDestinationProperty('source')) {
            $row->setDestinationProperty('path', $row->getDestinationProperty('source'));
        }
        $path = $row->getDestinationProperty('path');
        // Check if this alias is for a node and if that node is a translation.
        if (preg_match('/^\\/node\\/\\d+$/', $path) && $row->hasDestinationProperty('node_translation')) {
            // Replace the alias source with the translation source path.
            $node_translation = $row->getDestinationProperty('node_translation');
            $row->setDestinationProperty('path', '/node/' . $node_translation[0]);
            $row->setDestinationProperty('langcode', $node_translation[1]);
        }
        return parent::import($row, $old_destination_id_values);
    }
    
    /**
     * {@inheritdoc}
     */
    protected static function getEntityTypeId($plugin_id) {
        return 'path_alias';
    }

}