gistfile1.go

package main

import (
	"encoding/json"
	"net/http"

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

var routes []Route

func init() {
	// Initialzed in init() to avoid an initialization loop
	// since `routes` refers to `sitemap` refers to `routes`.
	routes = []Route{
		Route{"Get", "/index", hello},
		Route{"Get", "/sitemap", sitemap},
		//Route{"Post", "/somewhereElse", postHandlerExample},
	}
}

type Route struct {
	Method  string          `json:"method"`
	Pattern string          `json:"pattern"`
	Handler web.HandlerType `json:"-"`
}

var methods = map[string]func(web.PatternType, web.HandlerType){
	"Get":  goji.Get,
	"Post": goji.Post,
	// … others?
}

func (r Route) Add() {
	//log.Println("adding", r)
	methods[r.Method](r.Pattern, r.Handler)
}

func hello(c web.C, w http.ResponseWriter, r *http.Request) {
	w.Write([]byte("Hello world"))
}

func sitemap(c web.C, w http.ResponseWriter, r *http.Request) {
	resp, err := json.MarshalIndent(routes, "", "    ")
	if err != nil {
		http.Error(w, "Can't generate response properly.", 500)
		return
	}

	w.Write(resp)
}

func main() {
	for _, r := range routes {
		r.Add()
	}
	goji.Serve()
}