pub trait Responder {
type Body: MessageBody + 'static;
fn respond_to(self, req: &HttpRequest) -> HttpResponse<Self::Body>;
fn customize(self) -> CustomizeResponder<Self>
where
Self: Sized,
{ ... }
}Expand description
Trait implemented by types that can be converted to an HTTP response.
Any types that implement this trait can be used in the return type of a handler.
Associated Types
type Body: MessageBody + 'static
Required methods
fn respond_to(self, req: &HttpRequest) -> HttpResponse<Self::Body>
fn respond_to(self, req: &HttpRequest) -> HttpResponse<Self::Body>
Convert self to HttpResponse.
Provided methods
fn customize(self) -> CustomizeResponder<Self> where
Self: Sized,
fn customize(self) -> CustomizeResponder<Self> where
Self: Sized,
Wraps responder to allow alteration of its response.
See CustomizeResponder docs for its capabilities.
Examples
use actix_web::{Responder, http::StatusCode, test::TestRequest};
let responder = "Hello world!"
.customize()
.with_status(StatusCode::BAD_REQUEST)
.insert_header(("x-hello", "world"));
let request = TestRequest::default().to_http_request();
let response = responder.respond_to(&request);
assert_eq!(response.status(), StatusCode::BAD_REQUEST);
assert_eq!(response.headers().get("x-hello").unwrap(), "world");