created hws module

hws/responsewriter.go

@@ -0,0 +1,15 @@
+package hws
+
+import "net/http"
+
+// Wraps the http.ResponseWriter, adding a statusCode field
+type wrappedWriter struct {
+	http.ResponseWriter
+	statusCode int
+}
+
+// Extends WriteHeader to the ResponseWriter to add the status code
+func (w *wrappedWriter) WriteHeader(statusCode int) {
+	w.ResponseWriter.WriteHeader(statusCode)
+	w.statusCode = statusCode
+}