[feature] Merged with api-prototype

internal/app/handler/error.go

@@ -0,0 +1,15 @@
+package handler
+
+import "net/http"
+
+type NotFoundHandler struct{}
+
+func (NotFoundHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	encodeResponse(w, &response{http.StatusNotFound, "Path " + r.RequestURI + " not found"}, nil)
+}
+
+type MethodNotAllowedHandler struct{}
+
+func (MethodNotAllowedHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	encodeResponse(w, &response{http.StatusMethodNotAllowed, "Method Not Allowed: " + r.Method}, nil)
+}