public override IResumableUploadSession CreateUploadSession(IStorageProviderSession session, ICloudFileSystemEntry fileSystemEntry, long bytesToTransfer)
        {
            WebRequest request;

            if (GoogleDocsResourceHelper.IsResorceId(fileSystemEntry.Id))
            {
                //request for update
                request = CreateWebRequest(session, fileSystemEntry.GetPropertyValue(GoogleDocsConstants.ResEditMediaProperty), "PUT", null, true);
                request.Headers.Add("If-Match", "*");
            }
            else
            {
                //request for create
                request = CreateWebRequest(session, fileSystemEntry.Parent.GetPropertyValue(GoogleDocsConstants.ResCreateMediaProperty) + "?convert=false", "POST", null, true);
            }

            if (GoogleDocsResourceHelper.OfGoogleDocsKind(fileSystemEntry))
            {
                ((BaseFileEntry)fileSystemEntry).Name = Path.GetFileNameWithoutExtension(fileSystemEntry.Name);
            }

            GoogleDocsXmlParser.WriteAtom(request, GoogleDocsXmlParser.EntryElement(GoogleDocsXmlParser.TitleElement(fileSystemEntry.Name)));
            request.Headers.Add("X-Upload-Content-Type", Common.Net.MimeMapping.GetMimeMapping(fileSystemEntry.Name));
            request.Headers.Add("X-Upload-Content-Length", bytesToTransfer.ToString(CultureInfo.InvariantCulture));


            var response = request.GetResponse();

            var uploadSession = new ResumableUploadSession(fileSystemEntry, bytesToTransfer);

            uploadSession["Location"] = response.Headers["Location"];
            uploadSession.Status      = ResumableUploadSessionStatus.Started;

            return(uploadSession);
        }
        public override IResumableUploadSession CreateUploadSession(IStorageProviderSession session, ICloudFileSystemEntry fileSystemEntry, long bytesToTransfer)
        {
            WebRequest request;
            if (GoogleDocsResourceHelper.IsResorceId(fileSystemEntry.Id))
            {
                //request for update
                request = CreateWebRequest(session, fileSystemEntry.GetPropertyValue(GoogleDocsConstants.ResEditMediaProperty), "PUT", null, true);
                request.Headers.Add("If-Match", "*");
            }
            else
            {
                //request for create
                request = CreateWebRequest(session, fileSystemEntry.Parent.GetPropertyValue(GoogleDocsConstants.ResCreateMediaProperty) + "?convert=false", "POST", null, true);
            }

            if (GoogleDocsResourceHelper.OfGoogleDocsKind(fileSystemEntry))
            {
                ((BaseFileEntry)fileSystemEntry).Name = Path.GetFileNameWithoutExtension(fileSystemEntry.Name);
            }
            
            GoogleDocsXmlParser.WriteAtom(request, GoogleDocsXmlParser.EntryElement(GoogleDocsXmlParser.TitleElement(fileSystemEntry.Name)));
            request.Headers.Add("X-Upload-Content-Type", Common.Net.MimeMapping.GetMimeMapping(fileSystemEntry.Name));
            request.Headers.Add("X-Upload-Content-Length", bytesToTransfer.ToString(CultureInfo.InvariantCulture));


            var response = request.GetResponse();

            var uploadSession = new ResumableUploadSession(fileSystemEntry, bytesToTransfer);
            uploadSession["Location"] = response.Headers["Location"];
            uploadSession.Status = ResumableUploadSessionStatus.Started;

            return uploadSession;
        }