helper_LookUpOwnerId() static private method

Looks
static private helper_LookUpOwnerId ( string ownerId, KeyedLookup userLookups ) : string
ownerId string GUID of content owner
userLookups KeyedLookup set we are looking the owner up in
return string
    /// <summary>
    /// Save Datasource metadata in a XML file along-side the workbook file
    /// </summary>
    /// <param name="wb">Information about the workbook we have downloaded</param>
    /// <param name="localDatasourcePath">Local path to the twb/twbx of the workbook</param>
    /// <param name="userLookups">If non-NULL contains the mapping of users/ids so we can look up the owner</param>
    internal static void CreateSettingsFile(SiteDatasource ds, string localDatasourcePath, KeyedLookup <SiteUser> userLookups)
    {
        string contentOwnerName = null; //Start off assuming we have no content owner information

        if (userLookups != null)
        {
            contentOwnerName = WorkbookPublishSettings.helper_LookUpOwnerId(ds.OwnerId, userLookups);
        }

        var xml = System.Xml.XmlWriter.Create(PathForSettingsFile(localDatasourcePath));

        xml.WriteStartDocument();
        xml.WriteStartElement(XmlElement_DatasourceInfo);

        //If we have an owner name, write it out
        if (!string.IsNullOrWhiteSpace(contentOwnerName))
        {
            XmlHelper.WriteValueElement(xml, WorkbookPublishSettings.XmlElement_ContentOwner, contentOwnerName);
        }
        xml.WriteEndElement();     //end: WorkbookInfo
        xml.WriteEndDocument();
        xml.Close();
    }