private static HttpMessageHandler CreatePipeline(HttpMessageHandler innerHandler, IEnumerable <HttpMessageHandler> handlers)
{
var httpMessageHandler = innerHandler;
foreach (var handler in handlers.Reverse())
{
if (handler == null)
{
throw new ArgumentNullException(nameof(handlers), "Delegating Handler Array Contains Null Item");
}
var delegatingHandler = handler as DelegatingHandler;
if (delegatingHandler == null)
{
delegatingHandler = new HttpMessageHandlerToDelegatingHandler(handler);
}
else
{
if (delegatingHandler.InnerHandler != null)
{
throw new ArgumentException("Delegating Handler Array Has Non Null Inner Handler", nameof(handlers));
}
delegatingHandler.InnerHandler = httpMessageHandler;
}
httpMessageHandler = delegatingHandler;
}
return(httpMessageHandler);
}
internal HttpMessageHandler CreatePipeline()
{
var allHandlers = Pipeline.Except(Pipeline.OfType <HttpClientHandler>());
HttpMessageHandler primaryHandler = Pipeline.OfType <HttpClientHandler>().SingleOrDefault() ?? new HttpClientHandler();
foreach (var handler in allHandlers.Reverse())
{
if (handler == null)
{
throw new ArgumentNullException(nameof(Pipeline), "Delegating Handlers Contains null Item");
}
if (!(handler is DelegatingHandler delegatingHandler))
{
delegatingHandler = new HttpMessageHandlerToDelegatingHandler(handler);
}
