/// <summary>
/// Loads the given URI by using an asynchronous request.
/// </summary>
/// <param name="requesters">The requesters to try.</param>
/// <param name="request">The data of the request to send.</param>
/// <param name="events">The event aggregator.</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 async Task<IResponse> LoadAsync(this IEnumerable<IRequester> requesters, IRequest request, IEventAggregator events, CancellationToken cancel)
{
foreach (var requester in requesters)
{
if (requester.SupportsProtocol(request.Address.Scheme))
{
using (var evt = new RequestStartEvent(requester, request))
{
if (events != null)
events.Publish(evt);
return await requester.RequestAsync(request, cancel).ConfigureAwait(false);
}
}
}
return default(IResponse);
}
/// <summary>
/// Loads the given URI by using an asynchronous request.
/// </summary>
/// <param name="request">The data of the request to send.</param>
/// <param name="cancel">The cancellation token to use..</param>
/// <returns>
/// The task which will eventually return the response.
/// </returns>
protected async Task<IResponse> LoadAsync(Request request, CancellationToken cancel)
{
foreach (var requester in _requesters)
{
if (requester.SupportsProtocol(request.Address.Scheme))
{
var events = _configuration.Events;
var evt = new RequestStartEvent(requester, request);
if (events != null)
{
events.Publish(evt);
}
var result = await requester.RequestAsync(request, cancel).ConfigureAwait(false);
evt.FireEnd();
return result;
}
}
return default(IResponse);
}
