public ParcelManagerServiceResult <IEnumerable <Parcel> > Create(string fileName)
        {
            try
            {
                //getting the physical path of xml file
                ParcelManagerServiceResult <string> fullPathResult = file.GetFullPath(fileName);

                if (!fullPathResult.Success)
                {
                    return(new ParcelManagerServiceResult <IEnumerable <Parcel> >(error: fullPathResult.Error));
                }


                //reading the content of xml as string
                ParcelManagerServiceResult <string> fileContentReaderResult = file.ReadFileAsText(fullPathResult.Result);

                if (!fileContentReaderResult.Success)
                {
                    return(new ParcelManagerServiceResult <IEnumerable <Parcel> >(error: fullPathResult.Error));
                }


                // Deserialize Content to Container Object
                Container container = serialization.DeserializeXml <Container>(fileContentReaderResult.Result);
                return(new ParcelManagerServiceResult <IEnumerable <Parcel> >(result: container.Parcels));
            }
            catch (System.Exception exception)
            {
                return(new ParcelManagerServiceResult <IEnumerable <Parcel> >(error: ErrorType.ErrorIsUnkownPleaseContactAdmin, message: exception.Message));
            }
        }