/// <summary>
/// Initializes a new instance of the <see
/// cref="ResponseHeadersMiddleware"/> class.
/// </summary>
/// <param name="next">
/// A function used to continue processing of an HTTP request.
/// </param>
/// <param name="loggerFactory">
/// A type used to provide <see cref="ILogger"/> instances.
/// </param>
/// <param name="options">
/// A container used to specify the options for the middleware.
/// </param>
public ResponseHeadersMiddleware(RequestDelegate next, ILoggerFactory loggerFactory, IOptions <ResponseHeadersOptions> options)
{
if (next == null)
{
throw new ArgumentNullException(nameof(next));
}
//if (loggerFactory == null)
// throw new ArgumentNullException(nameof(loggerFactory));
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
this.next = next;
this.options = options.Value;
}
/// <summary>
/// Initializes a new instance of the <see
/// cref="ResponseHeadersOptionsBuilder"/> class.
/// </summary>
public ResponseHeadersOptionsBuilder()
{
options = new ResponseHeadersOptions();
}
/// <summary>
/// Specifies additional HTTP headers to add to responses.
/// </summary>
/// <param name="app">The builder to configure.</param>
/// <param name="options">Specifies the response headers to add.</param>
/// <returns>
/// A reference to <paramref name="app"/> with the configured response headers.
/// </returns>
public static IApplicationBuilder UseResponseHeaders(this IApplicationBuilder app, ResponseHeadersOptions options)
{
if (app == null)
{
throw new ArgumentNullException(nameof(app));
}
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
return(app.UseMiddleware <ResponseHeadersMiddleware>(Options.Create(options)));
}