aboutsummaryrefslogtreecommitdiff
path: root/vendor/github.com/gorilla/mux/middleware.go
blob: 8f898675ea7465425f5ea70208080ae0b4cc7b68 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
package mux

import "net/http"

// MiddlewareFunc is a function which receives an http.Handler and returns another http.Handler.
// Typically, the returned handler is a closure which does something with the http.ResponseWriter and http.Request passed
// to it, and then calls the handler passed as parameter to the MiddlewareFunc.
type MiddlewareFunc func(http.Handler) http.Handler

// middleware interface is anything which implements a MiddlewareFunc named Middleware.
type middleware interface {
	Middleware(handler http.Handler) http.Handler
}

// MiddlewareFunc also implements the middleware interface.
func (mw MiddlewareFunc) Middleware(handler http.Handler) http.Handler {
	return mw(handler)
}

// Use appends a MiddlewareFunc to the chain. Middleware can be used to intercept or otherwise modify requests and/or responses, and are executed in the order that they are applied to the Router.
func (r *Router) Use(mwf MiddlewareFunc) {
	r.middlewares = append(r.middlewares, mwf)
}

// useInterface appends a middleware to the chain. Middleware can be used to intercept or otherwise modify requests and/or responses, and are executed in the order that they are applied to the Router.
func (r *Router) useInterface(mw middleware) {
	r.middlewares = append(r.middlewares, mw)
}
nihil fit ex nihilo