/// <summary>
/// Callback method called after request.BeginGetResponse completes.
/// </summary>
/// <param name="asyncResult">
/// An asyncResult object.
/// </param>
private void ResponseCallback(IAsyncResult asyncResult)
{
AdmTokenServiceRequestState stateObject = (AdmTokenServiceRequestState)asyncResult.AsyncState;
try
{
HttpWebRequest state = stateObject.Request;
using (HttpWebResponse response = (HttpWebResponse)state.EndGetResponse(asyncResult))
{
DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(AdmAccessToken));
this.accessToken = (AdmAccessToken)serializer.ReadObject(response.GetResponseStream());
this.accessToken.ExpriesAtUtc = DateTime.UtcNow.AddMinutes(TokenExpiredInMinutes);
this.OnRetriveAdmAccessTokenComplete(this.accessToken, null, stateObject.Callback);
}
}
catch (Exception ex)
{
this.OnRetriveAdmAccessTokenComplete(null, ex, stateObject.Callback);
}
}
/// <summary>
/// The callback handler of GetAdmAccessToken event of AdmTokenService.
/// </summary>
/// <param name="accessToken">The token instance.</param>
/// <param name="ex">Coressponding exception if failed to get the access token.</param>
/// <param name="callback">callback from event</param>
private void TokenService_GetAdmAccessTokenCompleteEvent(AdmAccessToken accessToken, Exception ex, RetriveAccessTokenComplete callback)
{
if (ex == null)
{
string token = string.Empty;
if (!string.IsNullOrEmpty(this.RegistrationId) &&
!string.IsNullOrEmpty(this.SecretKey))
{
token = string.Format("BEARER {0} {1} {2}", accessToken.AccessToken, this.SecretKey, this.RegistrationId);
}
else
{
token = string.Format("BEARER {0}", accessToken.AccessToken);
}
this.OnRetriveAccessTokenComplete(token, ex, callback);
}
else
{
this.OnRetriveAccessTokenComplete(string.Empty, ex, callback);
}
}
/// <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);
}
