/// <summary>
/// Invokes ResponseHeaderMiddleware at some point in the pipeline
/// </summary>
/// <param name="builder">application builder</param>
/// <param name="configureOptions">header name options (defaults used, if null)</param>
/// <returns>a reference to the applicaton builder (for fluent construction)</returns>
public static IApplicationBuilder UseResponseHeader(
this IApplicationBuilder builder,
Action <ResponseHeaderMiddlewareOptions> configureOptions = null)
{
var options = new ResponseHeaderMiddlewareOptions();
//configure the options, unless configureOptions is null
configureOptions?.Invoke(options);
//use the middleware
return(builder.UseMiddleware <ResponseHeaderMiddleware>(options));
}
/// <summary>
/// Constructs a new ResponseHeaderMiddleware object
/// with the required delegate and options
/// </summary>
/// <param name="next">delegate used to invoke the next middleware in the pipeline</param>
/// <param name="options">a dictionary of new headers to add</param>
public ResponseHeaderMiddleware(
RequestDelegate next, ResponseHeaderMiddlewareOptions options)
{
_next = next;
_options = options;
}
