package main

import (
    "fmt"
    "net/http"

    "github.com/zenazn/goji"
    "github.com/zenazn/goji/web"
)

func hello(c web.C, w http.ResponseWriter, r *http.Request) {
    fmt.Fprintf(w, "Hello, %s!", c.URLParams["name"])
}

func main() {
    goji.Get("/hello/:name", hello)
    goji.Serve()
}

func MyMiddleware(c *web.C, h http.Handler) http.Handler {
    fn := func (w http.ResponseWriter, r *http.Request) {
        // Pass data through the environment
        c.Env["Hello"] = "world"
        // Fully control how the next layer is called
        h.ServeHTTP(w, r)
    }
    return http.HandlerFunc(fn)
}

func main() {
    // Middleware are fully reconfigurable at any time
    goji.Use(MyMiddleware)
    goji.Insert(NotPicturedMiddleware, MyMiddleware)
    goji.Abandon(MyMiddleware)
}