/// <summary>
/// Loads the given URI by using an asynchronous request with the given
/// method and body.
/// </summary>
/// <param name="loader">The document loader to use.</param>
/// <param name="request">The request to issue.</param>
/// <param name="cancel">
/// The token which can be used to cancel the request.
/// </param>
/// <returns>
/// The task which will eventually return the response.
/// </returns>
public static Task <IResponse> SendAsync(this IDocumentLoader loader, DocumentRequest request, CancellationToken cancel)
{
if (loader == null)
{
return(DefaultResponse);
}
return(loader.LoadAsync(request, cancel));
}
async Task Receive(IDocumentLoader loader, DocumentRequest request, CancellationToken cancel)
{
try
{
using (var response = await loader.LoadAsync(request, cancel).ConfigureAwait(false))
{
if (response != null)
{
foreach (var header in response.Headers)
{
_headers[header.Key] = header.Value;
}
_responseUrl = response.Address.Href;
_responseStatus = response.StatusCode;
ReadyState = RequesterState.Loading;
using (var ms = new MemoryStream())
{
await response.Content.CopyToAsync(ms, BufferSize, cancel).ConfigureAwait(false);
ms.Seek(0, SeekOrigin.Begin);
using (var reader = new StreamReader(ms))
_responseText = reader.ReadToEnd();
}
Fire(LoadEndEvent);
}
ReadyState = RequesterState.Done;
Fire(response == null ? ErrorEvent : LoadEvent);
}
}
catch (TaskCanceledException)
{
ReadyState = RequesterState.Done;
Fire(TimeoutEvent);
}
}
/// <summary>
/// Loads the given URI by using an asynchronous request with the given
/// method and body.
/// </summary>
/// <param name="loader">The document loader to use.</param>
/// <param name="request">The request to issue.</param>
/// <param name="cancel">
/// The token which can be used to cancel the request.
/// </param>
/// <returns>
/// The task which will eventually return the response.
/// </returns>
public static Task <IResponse> SendAsync(this IDocumentLoader loader, DocumentRequest request, CancellationToken cancel)
{
return(loader != null?loader.LoadAsync(request, cancel) : TaskEx.FromResult(default(IResponse)));
}
