// write renders a returned runtime.Object to the response as a stream or an encoded object. If the object // returned by the response implements rest.ResourceStreamer that interface will be used to render the // response. The Accept header and current API version will be passed in, and the output will be copied // directly to the response body. If content type is returned it is used, otherwise the content type will // be "application/octet-stream". All other objects are sent to standard JSON serialization. func write(statusCode int, gv schema.GroupVersion, s runtime.NegotiatedSerializer, object runtime.Object, w http.ResponseWriter, req *http.Request) { stream, ok := object.(rest.ResourceStreamer) if !ok { writeNegotiated(s, gv, w, req, statusCode, object) return } out, flush, contentType, err := stream.InputStream(gv.String(), req.Header.Get("Accept")) if err != nil { errorNegotiated(err, s, gv, w, req) return } if out == nil { // No output provided - return StatusNoContent w.WriteHeader(http.StatusNoContent) return } defer out.Close() if wsstream.IsWebSocketRequest(req) { r := wsstream.NewReader(out, true, wsstream.NewDefaultReaderProtocols()) if err := r.Copy(w, req); err != nil { utilruntime.HandleError(fmt.Errorf("error encountered while streaming results via websocket: %v", err)) } return } if len(contentType) == 0 { contentType = "application/octet-stream" } w.Header().Set("Content-Type", contentType) w.WriteHeader(statusCode) writer := w.(io.Writer) if flush { writer = flushwriter.Wrap(w) } io.Copy(writer, out) }
// write renders a returned runtime.Object to the response as a stream or an encoded object. If the object // returned by the response implements rest.ResourceStreamer that interface will be used to render the // response. The Accept header and current API version will be passed in, and the output will be copied // directly to the response body. If content type is returned it is used, otherwise the content type will // be "application/octet-stream". All other objects are sent to standard JSON serialization. func write(statusCode int, apiVersion string, codec runtime.Codec, object runtime.Object, w http.ResponseWriter, req *http.Request) { if stream, ok := object.(rest.ResourceStreamer); ok { out, flush, contentType, err := stream.InputStream(apiVersion, req.Header.Get("Accept")) if err != nil { errorJSONFatal(err, codec, w) return } if out == nil { // No output provided - return StatusNoContent w.WriteHeader(http.StatusNoContent) return } defer out.Close() if wsstream.IsWebSocketRequest(req) { r := wsstream.NewReader(out, true) if err := r.Copy(w, req); err != nil { util.HandleError(fmt.Errorf("error encountered while streaming results via websocket: %v", err)) } return } if len(contentType) == 0 { contentType = "application/octet-stream" } w.Header().Set("Content-Type", contentType) w.WriteHeader(statusCode) writer := w.(io.Writer) if flush { writer = flushwriter.Wrap(w) } io.Copy(writer, out) return } writeJSON(statusCode, codec, object, w, isPrettyPrint(req)) }