Function write

graphql/admin/http.go:93–115

write chooses between the http response writer and gzip writer and sends the schema response using that.

(w http.ResponseWriter, rr *schema.Response, acceptGzip bool)

// write chooses between the http response writer and gzip writer
// and sends the schema response using that.
func write(w http.ResponseWriter, rr *schema.Response, acceptGzip bool) {
	var out io.Writer = w

	// set TouchedUids header
	w.Header().Set(touchedUidsHeader, strconv.FormatUint(rr.GetExtensions().GetTouchedUids(), 10))

	for key, val := range rr.Header {
		w.Header()[key] = val
	}

	// If the receiver accepts gzip, then we would update the writer
	// and send gzipped content instead.
	if acceptGzip {
		w.Header().Set("Content-Encoding", "gzip")
		gzw := gzip.NewWriter(w)
		defer gzw.Close()
		out = gzw
	}

	if _, err := rr.WriteTo(out); err != nil {
		glog.Error(err)
	}
}

// WriteErrorResponse writes the error to the HTTP response writer in GraphQL format.
func WriteErrorResponse(w http.ResponseWriter, r *http.Request, err error) {