Stdlib/std.net.http.server/Middleware

Middleware

interface Middleware

A HTTP server middleware, which can be used to transform a handler.

Example

use std.net.http.server.{Handler, Middleware, func_handler, Response};

struct MyMiddleware {
  value: string,
}

impl MyMiddleware {
   pub fn new(value: string): MyMiddleware {
     return MyMiddleware { value };
   }

   pub fn transform(self, handler: Handler): Handler {
      return handler.after(|resp| {
        resp.set_header("X-My-Header", self.value);
        return resp;
      });
   }
}

let my_middleware = MyMiddleware.new("my-value");
let handler = func_handler(|req| Response.text("Hello, world!"))
  .with(my_middleware);

Methods

transform

pub fn transform(self, handler: Handler): Handler