/// <summary>
/// Use the status code handlers middleware in an OWIN pipeline.
/// </summary>
/// <param name="configureOptions">A delegate to configure the middleware options.</param>
/// <returns>An OWIN middleware function.</returns>
public static MidFunc UseStatusCodeHandlers(Action <StatusCodeHandlersOptions> configureOptions)
{
var options = new StatusCodeHandlersOptions();
configureOptions(options);
return(UseStatusCodeHandlers(options));
}
/// <summary>
/// Use the status code handlers middleware in an OWIN pipeline.
/// </summary>
/// <param name="options">The middleware options.</param>
/// <returns>An OWIN middleware function.</returns>
public static MidFunc UseStatusCodeHandlers(StatusCodeHandlersOptions options)
{
return
(next =>
async env =>
{
var responseBody = env.Get <Stream>(ResponseBodyKey);
var streamWrapper = new StreamWrapper(responseBody);
env[ResponseBodyKey] = streamWrapper;
await next(env);
if (!streamWrapper.WriteOccured)
{
var statusCode = env.Get <int?>(ResponseStatusCodeKey) ?? 200;
AppFunc handler = options.GetHandler(statusCode);
if (handler != null)
{
await handler(env);
}
}
});
}