internal void UploadContacts(string accessToken)
{
FacebookContactsUploader.Tracer.TraceFunction((long)this.GetHashCode(), "Entering FacebookContactsUploader.UploadContacts.");
if (string.IsNullOrEmpty(accessToken))
{
throw new FacebookContactUploadException(Strings.FacebookEmptyAccessToken);
}
bool continueOnContactUploadFailure = this.configuration.ContinueOnContactUploadFailure;
try
{
this.performanceTracker.Start();
int maximumContactsToUpload = this.configuration.MaximumContactsToUpload;
IEnumerable <IStorePropertyBag> enumerable = this.contactsEnumerator.Where(new Func <IStorePropertyBag, bool>(this.ShouldExportContact)).Take(maximumContactsToUpload);
ContactsExporter contactsExporter = new ContactsExporter(FacebookContactsUploader.ContactPropertiesToExport, enumerable);
using (Stream streamFromContacts = contactsExporter.GetStreamFromContacts())
{
this.performanceTracker.AddTimeBookmark(ContactsUploaderPerformanceTrackerBookmarks.ExportTime);
using (MultipartFormDataContent multipartFormDataContent = FacebookContactsUploader.CreateMultipartFormDataContent(FacebookContactsUploader.MultipartFormDataBoundary, contactsExporter.ContentType, "contacts", streamFromContacts))
{
this.performanceTracker.AddTimeBookmark(ContactsUploaderPerformanceTrackerBookmarks.FormatTime);
using (Stream result = multipartFormDataContent.ReadAsStreamAsync().Result)
{
this.performanceTracker.ExportedDataSize = (double)result.Length;
this.performanceTracker.ReceivedContactsCount = this.UploadContactsToFacebook(accessToken, contactsExporter.Format, FacebookContactsUploader.GetMultipartFormDataContentType(), result);
}
this.performanceTracker.AddTimeBookmark(ContactsUploaderPerformanceTrackerBookmarks.UploadTime);
}
}
}
catch (TimeoutException exception)
{
this.ProcessFacebookFailure(exception, Strings.FacebookTimeoutError, !continueOnContactUploadFailure);
}
catch (ProtocolException exception2)
{
FacebookClient.AppendDiagnoseDataToException(exception2);
this.ProcessFacebookFailure(exception2, Strings.FacebookAuthorizationError, !continueOnContactUploadFailure);
}
catch (CommunicationException exception3)
{
FacebookClient.AppendDiagnoseDataToException(exception3);
this.ProcessFacebookFailure(exception3, Strings.FacebookCommunicationError, !continueOnContactUploadFailure);
}
catch (SerializationException exception4)
{
this.ProcessFacebookFailure(exception4, Strings.FacebookCommunicationError, !continueOnContactUploadFailure);
}
finally
{
this.performanceTracker.Stop();
FacebookContactsUploader.Tracer.TraceFunction((long)this.GetHashCode(), "Leaving FacebookContactsUploader.UploadContacts.");
}
}