// Extension method for IApplicationBuilder to make using the middleware simpler.
public static IApplicationBuilder UseJohan(this IApplicationBuilder app, JohanMiddlewareOptions options)
{
return(app.UseMiddleware <JohanMiddleware>(Options.Create(options)));
}
public JohanMiddleware(RequestDelegate next, IOptions <JohanMiddlewareOptions> options)
{
// Cache the objects we need later on.
_next = next;
_options = options.Value;
}