public static IApplicationBuilder UseVersionHeader(this IApplicationBuilder builder, Action <VersionHeaderOptions> setupAction = null)
{
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
var options = new VersionHeaderOptions();
setupAction?.Invoke(options);
return(builder.UseMiddleware <AddHeadersMiddleware>(options));
}
//The middleware class must include:
//1. A public constructor with a parameter of type RequestDelegate.
public AddHeadersMiddleware(RequestDelegate next, VersionHeaderOptions options)
{
_next = next;
_options = options ?? new VersionHeaderOptions();
}
