// MediaTypesForSerializer returns a list of media and stream media types for the server.
func MediaTypesForSerializer(ns runtime.NegotiatedSerializer) (mediaTypes, streamMediaTypes []string) {
for _, info := range ns.SupportedMediaTypes() {
mediaTypes = append(mediaTypes, info.MediaType)
if info.StreamSerializer != nil {
// stream=watch is the existing mime-type parameter for watch
streamMediaTypes = append(streamMediaTypes, info.MediaType+";stream=watch")
}
}
return mediaTypes, streamMediaTypes
}
// WriteObjectNegotiated renders an object in the content type negotiated by the client
func WriteObjectNegotiated(s runtime.NegotiatedSerializer, gv schema.GroupVersion, w http.ResponseWriter, req *http.Request, statusCode int, object runtime.Object) {
serializer, err := negotiation.NegotiateOutputSerializer(req, s)
if err != nil {
status := apiStatus(err)
WriteRawJSON(int(status.Code), status, w)
return
}
w.Header().Set("Content-Type", serializer.MediaType)
w.WriteHeader(statusCode)
encoder := s.EncoderForVersion(serializer.Serializer, gv)
if err := encoder.Encode(object, w); err != nil {
errorJSONFatal(err, encoder, w)
}
}
// acceptedMediaTypesForEndpoint returns an array of structs that are used to efficiently check which
// allowed media types the server exposes.
func acceptedMediaTypesForEndpoint(ns runtime.NegotiatedSerializer) []acceptedMediaType {
var acceptedMediaTypes []acceptedMediaType
for _, info := range ns.SupportedMediaTypes() {
segments := strings.SplitN(info.MediaType, "/", 2)
if len(segments) == 1 {
segments = append(segments, "*")
}
t := acceptedMediaType{
Type: segments[0],
SubType: segments[1],
Serializer: info,
}
acceptedMediaTypes = append(acceptedMediaTypes, t)
}
return acceptedMediaTypes
}
func NegotiateInputSerializer(req *http.Request, ns runtime.NegotiatedSerializer) (runtime.SerializerInfo, error) {
mediaTypes := ns.SupportedMediaTypes()
mediaType := req.Header.Get("Content-Type")
if len(mediaType) == 0 {
mediaType = mediaTypes[0].MediaType
}
mediaType, _, err := mime.ParseMediaType(mediaType)
if err != nil {
_, supported := MediaTypesForSerializer(ns)
return runtime.SerializerInfo{}, errUnsupportedMediaType{supported}
}
for _, info := range mediaTypes {
if info.MediaType != mediaType {
continue
}
return info, nil
}
_, supported := MediaTypesForSerializer(ns)
return runtime.SerializerInfo{}, errUnsupportedMediaType{supported}
}