//============================================================
// CALLBACK DELEGATE METHODS
//============================================================
#region AsyncLoadCallback(IAsyncResult result)
/// <summary>
/// Called when a corresponding asynchronous load operation completes.
/// </summary>
/// <param name="result">The result of the asynchronous operation.</param>
private static void AsyncLoadCallback(IAsyncResult result)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
System.Text.Encoding encoding = System.Text.Encoding.UTF8;
XPathNavigator navigator = null;
WebRequest httpWebRequest = null;
AtomEntryResource entry = null;
Uri source = null;
WebRequestOptions options = null;
SyndicationResourceLoadSettings settings = null;
//------------------------------------------------------------
// Determine if the async send operation completed
//------------------------------------------------------------
if (result.IsCompleted)
{
//------------------------------------------------------------
// Extract the send operations parameters from the user state
//------------------------------------------------------------
object[] parameters = (object[])result.AsyncState;
httpWebRequest = parameters[0] as WebRequest;
entry = parameters[1] as AtomEntryResource;
source = parameters[2] as Uri;
settings = parameters[3] as SyndicationResourceLoadSettings;
options = parameters[4] as WebRequestOptions;
object userToken = parameters[5];
//------------------------------------------------------------
// Verify expected parameters were found
//------------------------------------------------------------
if (entry != null)
{
//------------------------------------------------------------
// Get the response to the syndication resource request
//------------------------------------------------------------
WebResponse httpWebResponse = (WebResponse)httpWebRequest.EndGetResponse(result);
//------------------------------------------------------------
// Load syndication resource
//------------------------------------------------------------
using (Stream stream = httpWebResponse.GetResponseStream())
{
if (settings != null)
{
encoding = settings.CharacterEncoding;
}
using (StreamReader streamReader = new StreamReader(stream, encoding))
{
XmlReaderSettings readerSettings = new XmlReaderSettings();
readerSettings.IgnoreComments = true;
readerSettings.IgnoreWhitespace = true;
readerSettings.ProhibitDtd = false;
using (XmlReader reader = XmlReader.Create(streamReader, readerSettings))
{
if (encoding == System.Text.Encoding.UTF8)
{
navigator = SyndicationEncodingUtility.CreateSafeNavigator(source, options, null);
}
else
{
navigator = SyndicationEncodingUtility.CreateSafeNavigator(source, options, settings.CharacterEncoding);
}
//------------------------------------------------------------
// Load syndication resource using the framework adapters
//------------------------------------------------------------
SyndicationResourceAdapter adapter = new SyndicationResourceAdapter(navigator, settings);
adapter.Fill(entry, SyndicationContentFormat.Atom);
//------------------------------------------------------------
// Extract member resource information from extensions
//------------------------------------------------------------
AtomPublishingEditedSyndicationExtension editedExtension = entry.FindExtension(AtomPublishingEditedSyndicationExtension.MatchByType) as AtomPublishingEditedSyndicationExtension;
if (editedExtension != null)
{
entry.EditedOn = editedExtension.Context.EditedOn;
}
AtomPublishingControlSyndicationExtension controlExtension = entry.FindExtension(AtomPublishingControlSyndicationExtension.MatchByType) as AtomPublishingControlSyndicationExtension;
if (controlExtension != null)
{
entry.IsDraft = controlExtension.Context.IsDraft;
}
//------------------------------------------------------------
// Raise Loaded event to notify registered handlers of state change
//------------------------------------------------------------
entry.OnEntryLoaded(new SyndicationResourceLoadedEventArgs(navigator, source, options, userToken));
}
}
}
//------------------------------------------------------------
// Reset load operation in progress indicator
//------------------------------------------------------------
entry.LoadOperationInProgress = false;
}
}
}
/// <summary>
/// Called when a corresponding asynchronous load operation completes.
/// </summary>
/// <param name="result">The result of the asynchronous operation.</param>
private static void AsyncLoadCallback(IAsyncResult result)
{
System.Text.Encoding encoding = System.Text.Encoding.UTF8;
XPathNavigator navigator = null;
WebRequest httpWebRequest = null;
AtomEntryResource entry = null;
Uri source = null;
WebRequestOptions options = null;
SyndicationResourceLoadSettings settings = null;
if (result.IsCompleted)
{
object[] parameters = (object[])result.AsyncState;
httpWebRequest = parameters[0] as WebRequest;
entry = parameters[1] as AtomEntryResource;
source = parameters[2] as Uri;
settings = parameters[3] as SyndicationResourceLoadSettings;
options = parameters[4] as WebRequestOptions;
object userToken = parameters[5];
if (entry != null)
{
WebResponse httpWebResponse = (WebResponse)httpWebRequest.EndGetResponse(result);
using (Stream stream = httpWebResponse.GetResponseStream())
{
if (settings != null)
{
encoding = settings.CharacterEncoding;
}
using (StreamReader streamReader = new StreamReader(stream, encoding))
{
XmlReaderSettings readerSettings = new XmlReaderSettings();
readerSettings.IgnoreComments = true;
readerSettings.IgnoreWhitespace = true;
readerSettings.DtdProcessing = DtdProcessing.Ignore;
using (XmlReader reader = XmlReader.Create(streamReader, readerSettings))
{
if (encoding == System.Text.Encoding.UTF8)
{
navigator = SyndicationEncodingUtility.CreateSafeNavigator(source, options, null);
}
else
{
navigator = SyndicationEncodingUtility.CreateSafeNavigator(source, options, settings.CharacterEncoding);
}
SyndicationResourceAdapter adapter = new SyndicationResourceAdapter(navigator, settings);
adapter.Fill(entry, SyndicationContentFormat.Atom);
AtomPublishingEditedSyndicationExtension editedExtension = entry.FindExtension(AtomPublishingEditedSyndicationExtension.MatchByType) as AtomPublishingEditedSyndicationExtension;
if (editedExtension != null)
{
entry.EditedOn = editedExtension.Context.EditedOn;
}
AtomPublishingControlSyndicationExtension controlExtension = entry.FindExtension(AtomPublishingControlSyndicationExtension.MatchByType) as AtomPublishingControlSyndicationExtension;
if (controlExtension != null)
{
entry.IsDraft = controlExtension.Context.IsDraft;
}
entry.OnEntryLoaded(new SyndicationResourceLoadedEventArgs(navigator, source, options, userToken));
}
}
}
entry.LoadOperationInProgress = false;
}
}
}
