private Task<HttpContent> GetContentAsync(Link link)
{
if (link == null || link.Target == null) return null;
link.MakeAbsolute(CurrentLocation);
var content = _SemanticsRegistry.GetPreregisteredContent(link);
if (content != null)
{
return Task.Factory.StartNew(() => content);
}
return _HttpClient.GetAsync(link.Target)
.ContinueWith(task =>
{
var response = task.Result;
if (response.StatusCode == HttpStatusCode.OK)
{
return response.Content;
}
else
{
Debug.WriteLine("Error retrieving content from link with URI: " + link.Target + " Status: " + response.StatusCode);
return null;
}
}
);
}
private void InternalNavigateTo(Link link) {
link.MakeAbsolute(CurrentLocation);
HttpResponseMessage response;
var content = _SemanticsRegistry.GetPreregisteredContent(link);
if (content != null) {
response = new HttpResponseMessage(HttpStatusCode.OK) { Content = content };
} else {
HttpRequestMessage request = link.CreateRequest();
response = _HttpClient.SendAsync(request, HttpCompletionOption.ResponseHeadersRead).Result;
}
HandleResponse(response, link);
}