class FieldType

class FieldType extends StaticMap implements ContainerFactoryPluginInterface {

  /**
   * The field plugin manager.
   *
   * @var \Drupal\migrate_drupal\Plugin\MigrateFieldPluginManagerInterface
   */
  protected $fieldPluginManager;

  /**
   * The migration object.
   *
   * @var \Drupal\migrate\Plugin\MigrationInterface
   */
  protected $migration;

  /**
   * Constructs a FieldType plugin.
   *
   * @param array $configuration
   *   The plugin configuration.
   * @param string $plugin_id
   *   The plugin ID.
   * @param mixed $plugin_definition
   *   The plugin definition.
   * @param \Drupal\migrate_drupal\Plugin\MigrateFieldPluginManagerInterface $field_plugin_manager
   *   The field plugin manager.
   * @param \Drupal\migrate\Plugin\MigrationInterface $migration
   *   The migration being run.
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, MigrateFieldPluginManagerInterface $field_plugin_manager, MigrationInterface $migration = NULL) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
    $this->fieldPluginManager = $field_plugin_manager;
    $this->migration = $migration;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition, MigrationInterface $migration = NULL) {
    return new static($configuration, $plugin_id, $plugin_definition, $container
      ->get('plugin.manager.migrate.field'), $migration);
  }

  /**
   * {@inheritdoc}
   */
  public function transform($value, MigrateExecutableInterface $migrate_executable, Row $row, $destination_property) {
    $field_type = is_array($value) ? $value[0] : $value;
    try {
      $plugin_id = $this->fieldPluginManager
        ->getPluginIdFromFieldType($field_type, [], $this->migration);
      return $this->fieldPluginManager
        ->createInstance($plugin_id, [], $this->migration)
        ->getFieldType($row);
    } catch (PluginNotFoundException $e) {
      return parent::transform($value, $migrate_executable, $row, $destination_property);
    }
  }

}