Created
August 17, 2024 05:58
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Chains middleware adapters into an http server
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| type Adapter func(http.Handler) http.Handler | |
| func Metric() Adapter { | |
| return func(h http.Handler) http.Handler { | |
| return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { | |
| log.Println("Metric") | |
| h.ServeHTTP(w, r) | |
| }) | |
| } | |
| } | |
| func Adapt(h http.Handler, adapters ...Adapter) http.Handler { | |
| for _, adapter := range adapters { | |
| h = adapter(h) | |
| } | |
| return h | |
| } | |
| func main() { | |
| mux := http.NewServeMux() | |
| mux.HandleFunc("GET /", handleHello) | |
| http.ListenAndServe(":8080", Adapt(mux, Metric())) | |
| } | |
| func handleHello(w http.ResponseWriter, r *http.Request) { | |
| w.Write([]byte("Basic API")) | |
| } |
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