private static GetUserPhotoResponse GetResultOrDefault(Func <object> serviceResponseFactory)
{
try
{
return((GetUserPhotoResponse)serviceResponseFactory());
}
catch (ServiceRequestException ex)
{
// 404 is a valid return code in the case of GetUserPhoto when the photo is
// not found, so it is necessary to catch this exception here.
WebException webException = ex.InnerException as WebException;
if (webException != null)
{
HttpWebResponse errorResponse = webException.Response as HttpWebResponse;
if (errorResponse != null && errorResponse.StatusCode == HttpStatusCode.NotFound)
{
return(GetUserPhotoRequest.GetNotFoundResponse());
}
}
throw;
}
}
/// <summary>
private static async Task <GetUserPhotoResponse> GetResultOrDefault(Func <Task <object> > serviceResponseFactory)
{
try
{
return((GetUserPhotoResponse) await serviceResponseFactory().ConfigureAwait(false));
}
catch (ServiceRequestException ex)
{
// 404 is a valid return code in the case of GetUserPhoto when the photo is
// not found, so it is necessary to catch this exception here.
EwsHttpClientException webException = ex.InnerException as EwsHttpClientException;
if (webException != null)
{
var errorResponse = webException.Response;
if (errorResponse != null && errorResponse.StatusCode == HttpStatusCode.NotFound)
{
return(GetUserPhotoRequest.GetNotFoundResponse());
}
}
throw;
}
}
/// <summary>
/// Ends executing this async request.
/// </summary>
/// <param name="asyncResult">The async result</param>
/// <returns>Service response collection.</returns>
internal GetUserPhotoResponse EndExecute(IAsyncResult asyncResult)
{
return(GetUserPhotoRequest.GetResultOrDefault(() => this.EndInternalExecute(asyncResult)));
}
/// <summary>
/// Executes this request.
/// </summary>
/// <returns>Service response.</returns>
internal GetUserPhotoResponse Execute()
{
return(GetUserPhotoRequest.GetResultOrDefault(this.InternalExecute));
}
/// <summary>
/// Executes this request.
/// </summary>
/// <returns>Service response.</returns>
internal Task <GetUserPhotoResponse> Execute()
{
return(GetUserPhotoRequest.GetResultOrDefault(this.InternalExecuteAsync));
}
/// <summary>
/// Executes this request.
/// </summary>
/// <returns>Service response.</returns>
internal Task <GetUserPhotoResponse> Execute(CancellationToken token)
{
return(GetUserPhotoRequest.GetResultOrDefault(() => this.InternalExecuteAsync(token)));
}
