Whitelog.Core.File.FileStreamProvider.GetArchiveFileName C# (CSharp) Method

        private static string GetArchiveFileName(FileConfiguration configuration, string originalPath)
        {
            string archiveFormat = configuration.ArchiveFilePath;
            if (string.IsNullOrWhiteSpace(archiveFormat))
            {
                archiveFormat = configuration.FilePath;
                if (string.IsNullOrWhiteSpace(archiveFormat))
                {
                    archiveFormat = string.Format(@"{{SOURCEPATH}}{0}{{SOURCENAME}}",Path.DirectorySeparatorChar);
                }
            }

            string archiveFilePath = string.Empty;

            foreach (var part in StringParser.GetParts(archiveFormat))
            {
                if (part.IsConst)
                {
                    archiveFilePath += part.Value;
                }
                else
                {
                    switch (part.Value.ToUpper())
                    {
                    case "BASEDIR":
                        archiveFilePath += System.AppDomain.CurrentDomain.BaseDirectory;
                        break;
                    case "WORKDIR":
                        archiveFilePath += Environment.CurrentDirectory;
                        break;
                    case "USERDIR":
                        archiveFilePath += Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);
                        break;
                    case "DATE":
                        archiveFilePath += DateTime.Now.ToString("yyyy.MM.dd");
                        break;
                    case "DATETIME":
                        archiveFilePath += DateTime.Now.ToString("yyyy.MM.dd HH.mm.ss");
                        break;
                    case "SOURCENAME":
                        archiveFilePath += System.IO.Path.GetFileName(originalPath);
                        break;
                    case "SOURCEPATH":
                        archiveFilePath += System.IO.Path.GetDirectoryName(originalPath);
                        break;
                    }
                }
            }

            return archiveFilePath;
        }