Catel.Logging.FileLogListener.DetermineFilePath C# (CSharp) Метод

        protected virtual string DetermineFilePath(string filePath)
        {
            if (string.IsNullOrWhiteSpace(filePath))
            {
                filePath = string.Empty;
            }

            if (filePath.Contains(AutoLogFileName))
            {
                filePath = filePath.Replace(AutoLogFileName, AutoLogFileNameReplacement);
            }

            var isWebApp = HttpContextHelper.HasHttpContext();

            string dataDirectory;

            if (_assembly != null)
            {
                dataDirectory = isWebApp ? IO.Path.GetApplicationDataDirectoryForAllUsers(_assembly.Company(), _assembly.Product()) 
                                         : IO.Path.GetApplicationDataDirectory(_assembly.Company(), _assembly.Product());
            }
            else
            {
                dataDirectory = isWebApp ? IO.Path.GetApplicationDataDirectoryForAllUsers() 
                                         : IO.Path.GetApplicationDataDirectory();
            }

            if (filePath.Contains(AssemblyName))
            {
                filePath = filePath.Replace(AssemblyName, _assembly.GetName().Name);
            }

            if (filePath.Contains(AssemblyProduct))
            {
                filePath = filePath.Replace(AssemblyProduct, _assembly.Product());
            }

            if (filePath.Contains(AssemblyCompany))
            {
                filePath = filePath.Replace(AssemblyCompany, _assembly.Company());
            }

            if (filePath.Contains(ProcessId))
            {
                filePath = filePath.Replace(ProcessId, Process.GetCurrentProcess().Id.ToString());
            }

            if (filePath.Contains(Date))
            {
                filePath = filePath.Replace(Date, DateTime.Now.ToString("yyyy-MM-dd", CultureInfo.InvariantCulture));
            }

            if (filePath.Contains(Time))
            {
                filePath = filePath.Replace(Time, DateTime.Now.ToString("HHmmss", CultureInfo.InvariantCulture));
            }

            if (filePath.Contains(AppData))
            {
                filePath = filePath.Replace(AppData, dataDirectory);
            }

            if (filePath.Contains(AppDataLocal))
            {
                var dataDirectoryLocal = _assembly != null ? IO.Path.GetApplicationDataDirectory(ApplicationDataTarget.UserLocal, 
                                                                                                 _assembly.Company(), 
                                                                                                 _assembly.Product()) 
                                                            : IO.Path.GetApplicationDataDirectory(ApplicationDataTarget.UserLocal);


                filePath = filePath.Replace(AppDataLocal, dataDirectoryLocal);
            }

            if (filePath.Contains(AppDataRoaming))
            {
                var dataDirectoryRoaming = _assembly != null ? IO.Path.GetApplicationDataDirectory(ApplicationDataTarget.UserRoaming, 
                                                                                                   _assembly.Company(), 
                                                                                                   _assembly.Product()) 
                                                             : IO.Path.GetApplicationDataDirectory(ApplicationDataTarget.UserRoaming);


                filePath = filePath.Replace(AppDataRoaming, dataDirectoryRoaming);
            }

            if (filePath.Contains(AppDataMachine))
            {
                var dataDirectoryMachine = _assembly != null ? IO.Path.GetApplicationDataDirectory(ApplicationDataTarget.Machine, 
                                                                                                   _assembly.Company(), 
                                                                                                   _assembly.Product()) 
                                                             : IO.Path.GetApplicationDataDirectory(ApplicationDataTarget.Machine);

                filePath = filePath.Replace(AppDataMachine, dataDirectoryMachine);
            }

            if (filePath.Contains(AppDir))
            {
                filePath = filePath.Replace(AppDir, AppDomain.CurrentDomain.BaseDirectory);
            }

            filePath = IO.Path.GetFullPath(filePath, dataDirectory);

            if (!filePath.EndsWith(".log"))
            {
                filePath += ".log";
            }

            return filePath;
        }