// create new helper, this object will be used for globar service for martini middleware
func New() *MartiniHelper {
this := &MartiniHelper{inject.New()}
retHandler := martini.New().Get(reflect.TypeOf(martini.ReturnHandler(nil))).Interface()
// retHandler := martini.defaultReturnHandler()
this.Map(retHandler)
return this
}
// convert martini middleware into http.Handler
func (this *MartiniHelper) Conv(h martini.Handler) http.Handler {
return http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
rwc := karambie.Context(rw)
c := this.context(rwc, r)
vals, err := c.Invoke(h)
if err != nil {
panic(err)
}
if rwc.Status() == 0 {
// if the handler returned something, write it to the http response
if len(vals) > 0 {
ev := c.Get(reflect.TypeOf(martini.ReturnHandler(nil)))
handleReturn := ev.Interface().(martini.ReturnHandler)
handleReturn(c, vals)
}
}
})
}