/// <summary>
/// Help method to fire the RetriveAccessTokenCompleteEvent event.
/// </summary>
/// <param name="accessToken">The accesss token string</param>
/// <param name="ex">Coressponding exception if failed to get the access token.</param>
/// <param name="callback">callback from event</param>
protected virtual void OnRetriveAdmAccessTokenComplete(AdmAccessToken accessToken, Exception ex, RetriveAdmAccessTokenComplete callback)
{
callback(accessToken, ex);
}
/// <summary>
/// Retrive new access token from Adm service.
/// </summary>
/// <param name="callback">callback from event</param>
private void RetrieveAccessToken(RetriveAdmAccessTokenComplete callback)
{
try
{
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(this.dataMarketAccessUri);
request.ContentType = "application/x-www-form-urlencoded";
request.Method = "POST";
request.BeginGetRequestStream(new AsyncCallback(this.RequestCallback), new AdmTokenServiceRequestState(callback, request));
}
catch (Exception ex)
{
this.OnRetriveAdmAccessTokenComplete(null, ex, callback);
}
}
/// <summary>
/// Gets the Adm access token string.
/// </summary>
/// <param name="callback">callback for the completion of request</param>
public void GetAccessToken(RetriveAdmAccessTokenComplete callback)
{
if (this.NeedToReNew)
{
lock (SyncRoot)
{
if (this.NeedToReNew)
{
this.RetrieveAccessToken(callback);
}
else
{
this.OnRetriveAdmAccessTokenComplete(this.accessToken, null, callback);
}
}
}
else
{
this.OnRetriveAdmAccessTokenComplete(this.accessToken, null, callback);
}
}
