File: convert-handlers/negroni-like/main.go ~~~ package main import ( "net/http" "github.com/kataras/iris" ) func main() { app := iris.New() irisMiddleware := iris.FromStd(negronilikeTestMiddleware) app.Use(irisMiddleware) // Method GET: http://localhost:8080/ app.Get("/", func(ctx iris.Context) { ctx.HTML("<h1> Home </h1>") // this will print an error, // this route's handler will never be executed because the middleware's criteria not passed. }) // Method GET: http://localhost:8080/ok app.Get("/ok", func(ctx iris.Context) { ctx.Writef("Hello world!") // this will print "OK. Hello world!". }) // http://localhost:8080 // http://localhost:8080/ok app.Run(iris.Addr(":8080")) } func negronilikeTestMiddleware(w http.ResponseWriter, r *http.Request, next http.HandlerFunc) { if r.URL.Path == "/ok" && r.Method == "GET" { w.Write([]byte("OK. ")) next(w, r) // go to the next route's handler return } // else print an error and do not forward to the route's handler. w.WriteHeader(iris.StatusBadRequest) w.Write([]byte("Bad request")) } // Look "routing/custom-context" if you want to convert a custom handler with a custom Context // to a context.Handler. ~~~