void OnDownloadCompleted(object sender, NSUrlEventArgs e)
{
try
{
if (e.Error == null)
{
_filePath = e.FilePath.Replace("file://", "").Replace("%20", " ");
NSHttpUrlResponse response = (NSHttpUrlResponse)_currentTask.Response;
if (response != null)
{
HttpStatusCode code = (HttpStatusCode)response.StatusCode;
if (code == HttpStatusCode.OK)
{
NSDictionary headers = response.AllHeaderFields;
if (string.IsNullOrWhiteSpace(_behaviors.UserId))
_behaviors.UserId = headers["userid"].ToString();
if (string.IsNullOrWhiteSpace(_behaviors.UserEmail))
_behaviors.UserEmail = headers["email"].ToString();
_behaviors.ResourceVersion = headers["resourceversion"].ToString();
_behaviors.SaveUserSession();
IIOContext io = IOContext.Current;
if (io.Exists(_filePath))
{
FileStream fileStream = io.FileStream(_filePath, FileMode.Open);
fileStream.Seek(0, SeekOrigin.Begin);
int contentLength;
if (!int.TryParse(headers["unzippedcontentlength"].ToString(), out contentLength))
contentLength = -1;
Stream responseStream = new ProgressStream(fileStream, contentLength, _behaviors.ReadProgressCallback);
// CreateInstance the SyncReader
if (ApplicationContext.Current.Settings.BitMobileFormatterDisabled)
_syncReader = new ODataAtomReader(responseStream, _knownTypes);
else
_syncReader = new BMReader(responseStream, _knownTypes);
_wrapper.DownloadResponse = new ChangeSet();
_wrapper.DownloadResponse.Data = GetDownloadedValues(_wrapper);
}
else
{
_wrapper.Error = new FileNotFoundException(String.Format("Downloaded data file not found! {0}, Description: {1}", e.FilePath, response.Description));
}
}
else
_wrapper.Error = new CacheControllerWebException(string.Format("Remote service returned error status. Status: {0}, Description: {1}", code, response.Description), code);
}
else
_wrapper.Error = new CacheControllerException("Response is null");
}
else
{
var response = _currentTask.Response as NSHttpUrlResponse;
HandleError(e.Error, response);
}
// If we get here then it means we completed the request. Return to the original caller
_workerManager.CompleteWorkRequest(_wrapper.WorkerRequest, _wrapper);
}
catch (Exception ex)
{
if (ExceptionUtility.IsFatal(ex))
{
throw;
}
_wrapper.Error = ex;
_workerManager.CompleteWorkRequest(_wrapper.WorkerRequest, _wrapper);
}
}
/// <summary>
/// Callback for the Download HttpWebRequest.beginGetRequestStream. Deserializes the response feed to
/// retrieve the list of IOfflineEntity objects and constructs an ChangeSet for that.
/// </summary>
/// <param name="asyncResult">IAsyncResult object</param>
void OnDownloadGetResponseCompleted(IAsyncResult asyncResult)
{
AsyncArgsWrapper wrapper = asyncResult.AsyncState as AsyncArgsWrapper;
wrapper.DownloadResponse = new ChangeSet();
HttpWebResponse response = null;
try
{
try
{
response = wrapper.WebRequest.EndGetResponse(asyncResult) as HttpWebResponse;
if (String.IsNullOrEmpty(behaviors.UserId))
behaviors.UserId = response.Headers["userid"];
if (string.IsNullOrWhiteSpace(behaviors.UserEmail))
behaviors.UserEmail = response.Headers["email"];
behaviors.ResourceVersion = response.Headers["resourceversion"];
}
catch (WebException we)
{
wrapper.Error = we;
// If we get here then it means we completed the request. Return to the original caller
this._workerManager.CompleteWorkRequest(wrapper.WorkerRequest, wrapper);
return;
}
catch (SecurityException se)
{
wrapper.Error = se;
// If we get here then it means we completed the request. Return to the original caller
this._workerManager.CompleteWorkRequest(wrapper.WorkerRequest, wrapper);
return;
}
if (response.StatusCode == HttpStatusCode.OK)
{
behaviors.SaveUserSession();
int contentLength = (int)response.ContentLength;
if (response.Headers.AllKeys.Contains("unzippedcontentlength"))
{
string value = response.Headers["unzippedcontentlength"];
if (!int.TryParse(value, out contentLength))
throw new WebException("Invalid value of header unzippedcontentlength: " + value);
}
Stream responseStream = new ProgressStream(response.GetResponseStream()
, contentLength
, behaviors.ReadProgressCallback);
// CreateInstance the SyncReader
if (ApplicationContext.Current.Settings.BitMobileFormatterDisabled)
_syncReader = new ODataAtomReader(responseStream, _knownTypes);
else
_syncReader = new BMReader(responseStream, _knownTypes);
// Read the response
wrapper.DownloadResponse.Data = GetDownloadedValues(wrapper);
wrapper.WebResponse = response;
// Invoke user code on the correct synchronization context.
this.FirePostResponseHandler(wrapper);
}
else
{
wrapper.Error = new CacheControllerException(
string.Format("Remote service returned error status. Status: {0}, Description: {1}",
response.StatusCode,
response.StatusDescription));
}
// If we get here then it means we completed the request. Return to the original caller
this._workerManager.CompleteWorkRequest(wrapper.WorkerRequest, wrapper);
}
catch (Exception e)
{
if (ExceptionUtility.IsFatal(e))
{
throw;
}
wrapper.Error = e;
this._workerManager.CompleteWorkRequest(wrapper.WorkerRequest, wrapper);
}
}
void OnDownloadCompleted (object sender, NSUrlEventArgs e)
{
FileStream fileStream = null;
string filePath = null;
try {
if (e.Error == null) {
filePath = e.FilePath.Replace ("file://", "").Replace ("%20", " ");
NSHttpUrlResponse response = (NSHttpUrlResponse)_currentTask.Response;
if (response != null) {
HttpStatusCode code = (HttpStatusCode)response.StatusCode;
if (code == HttpStatusCode.OK) {
NSDictionary headers = response.AllHeaderFields;
if (string.IsNullOrWhiteSpace (_behaviors.UserId))
_behaviors.UserId = headers ["userid"].ToString ();
if (string.IsNullOrWhiteSpace (_behaviors.UserEmail))
_behaviors.UserEmail = headers ["email"].ToString ();
;
_behaviors.SaveUserSession ();
if (File.Exists (filePath)) {
fileStream = File.OpenRead (filePath);
fileStream.Seek (0, SeekOrigin.Begin);
int contentLength;
if (!int.TryParse (headers ["unzippedcontentlength"].ToString (), out contentLength))
contentLength = -1;
Stream responseStream = new ProgressStream (fileStream, contentLength, _behaviors.ReadProgressCallback);
// Create the SyncReader
_syncReader = (SyncReader)new ODataAtomReader (responseStream, _knownTypes);
_wrapper.DownloadResponse = new ChangeSet ();
// Read the response
while (this._syncReader.Next ()) {
switch (this._syncReader.ItemType) {
case ReaderItemType.Entry:
_wrapper.DownloadResponse.AddItem (_syncReader.GetItem ());
break;
case ReaderItemType.SyncBlob:
_wrapper.DownloadResponse.ServerBlob = _syncReader.GetServerBlob ();
break;
case ReaderItemType.HasMoreChanges:
_wrapper.DownloadResponse.IsLastBatch = !_syncReader.GetHasMoreChangesValue ();
break;
}
}
} else {
_wrapper.Error = new FileNotFoundException (String.Format ("Downloaded data file not found! {0}, Description: {1}", e.FilePath, response.Description));
}
} else
_wrapper.Error = new CacheControllerWebException (string.Format ("Remote service returned error status. Status: {0}, Description: {1}", code, response.Description), code);
} else
_wrapper.Error = new CacheControllerException ("Response is null");
} else {
NSHttpUrlResponse response = _currentTask.Response as NSHttpUrlResponse;
HandleError (e.Error, response);
}
// If we get here then it means we completed the request. Return to the original caller
_workerManager.CompleteWorkRequest (_wrapper.WorkerRequest, _wrapper);
} catch (Exception ex) {
if (ExceptionUtility.IsFatal (ex)) {
throw;
}
_wrapper.Error = ex;
_workerManager.CompleteWorkRequest (_wrapper.WorkerRequest, _wrapper);
} finally {
if (fileStream != null) {
fileStream.Close ();
}
if (filePath != null && File.Exists (filePath)) {
File.Delete (filePath);
}
}
}