private void Success <TModel>(string response, WrappedAsyncCompletedEventArgs e)
{
var value = JsonConvert.DeserializeObject <TModel>(response, new StringEnumConverter());
HttpException exception = value != null ? null : new HttpException((int)HttpStatusCode.NoContent,
string.Format("An error occurred while deserializing the response: {0}", response));
HydrateCompletedEventArgs args = new HydrateCompletedEventArgs(typeof(TModel), value,
exception, false, e.UserState, e.OriginalUrl, response);
OnHydrateCompleted <TModel>(args);
}
private void ValidateStringResult <TModel>(object sender, WrappedAsyncCompletedEventArgs e, string result)
{
// check for error
if (e.Error != null)
{
OnHydrateCompleted <TModel>(new HydrateCompletedEventArgs <TModel>(default(TModel), e.Error,
e.Cancelled, e.UserState, e.OriginalUrl, result));
}
// check response type
var headers = ((IWebHelper)sender).ResponseHeaders != null ?
((IWebHelper)sender).ResponseHeaders.GetValues("Content-Type") : null;
if (headers != null && headers.Any(x => x.Contains("text/html")))
{
OnHydrateCompleted <TModel>(new HydrateCompletedEventArgs <TModel>(default(TModel),
new HttpException((int)HttpStatusCode.UnsupportedMediaType, string.Format(
"The underlying web service located at {0} returned HTML and only JSON or XML is supported.",
e.OriginalUrl)), e.Cancelled, e.UserState, e.OriginalUrl, result));
}
// check for empty response
string json = result;
if (string.IsNullOrEmpty(json))
{
OnHydrateCompleted <TModel>(new HydrateCompletedEventArgs <TModel>(default(TModel),
new HttpException((int)HttpStatusCode.NoContent, string.Format(
"The underlying web service response from {0} was null.",
e.OriginalUrl)), e.Cancelled, e.UserState, e.OriginalUrl, result));
}
else if (e.OriginalUrl != null && e.OriginalUrl.AbsoluteUri.ToString().ToLower().Contains("arcgis/rest/services"))
{
ESRIException error = JsonConvert.DeserializeObject <ESRIException>(json);
if (error.Error != null)
{
OnHydrateCompleted <TModel>(new HydrateCompletedEventArgs <TModel>(default(TModel),
new HttpException((int)error.Error.Code, string.Format(
"The underlying ArcGIS service located at {0} returned the following error: {1}: {2}",
e.OriginalUrl, error.Error.Message, string.Join("; ", error.Error.Details))),
e.Cancelled, e.UserState, e.OriginalUrl, result));
}
else
{
Success <TModel>(json, e);
}
}
else
{
Success <TModel>(json, e);
}
}
private void ValidateByteArrayResult <TModel>(object sender, WrappedAsyncCompletedEventArgs e, byte[] result)
{
var strResult = result == null ? string.Empty : ((IWebHelper)sender).Encoding.GetString(result);
ValidateStringResult <TModel>(sender, e, strResult);
}