func (s *Scheme) DecodeToVersionedObject(data []byte) (interface{}, string, string, error) {
version, kind, err := s.DataVersionAndKind(data)
if err != nil {
return nil, "", "", err
}
gv, err := unversioned.ParseGroupVersion(version)
if err != nil {
return nil, "", "", err
}
internalGV, exists := s.InternalVersions[gv.Group]
if !exists {
return nil, "", "", fmt.Errorf("no internalVersion specified for %v", gv)
}
if len(gv.Version) == 0 && len(internalGV.Version) != 0 {
return nil, "", "", fmt.Errorf("version not set in '%s'", string(data))
}
if kind == "" {
return nil, "", "", fmt.Errorf("kind not set in '%s'", string(data))
}
obj, err := s.NewObject(version, kind)
if err != nil {
return nil, "", "", err
}
if err := codec.NewDecoderBytes(data, new(codec.JsonHandle)).Decode(obj); err != nil {
return nil, "", "", err
}
return obj, version, kind, nil
}
// DecodeIntoWithSpecifiedVersionKind compares the passed in requestGroupVersionKind
// with data.Version and data.Kind, defaulting data.Version and
// data.Kind to the specified value if they are empty, or generating an error if
// data.Version and data.Kind are not empty and differ from the specified value.
// The function then implements the functionality of DecodeInto.
// If specifiedVersion and specifiedKind are empty, the function degenerates to
// DecodeInto.
func (s *Scheme) DecodeIntoWithSpecifiedVersionKind(data []byte, obj interface{}, requestedGVK unversioned.GroupVersionKind) error {
if len(data) == 0 {
return errors.New("empty input")
}
dataVersion, dataKind, err := s.DataVersionAndKind(data)
if err != nil {
return err
}
if dataVersion == "" {
dataVersion = requestedGVK.GroupVersion().String()
}
if dataKind == "" {
dataKind = requestedGVK.Kind
}
if (len(requestedGVK.Group) > 0 || len(requestedGVK.Version) > 0) && (dataVersion != requestedGVK.GroupVersion().String()) {
return errors.New(fmt.Sprintf("The apiVersion in the data (%s) does not match the specified apiVersion(%v)", dataVersion, requestedGVK.GroupVersion()))
}
if len(requestedGVK.Kind) > 0 && (dataKind != requestedGVK.Kind) {
return errors.New(fmt.Sprintf("The kind in the data (%s) does not match the specified kind(%v)", dataKind, requestedGVK))
}
objVersion, objKind, err := s.ObjectVersionAndKind(obj)
if err != nil {
return err
}
if dataKind == "" {
// Assume objects with unset Kind fields are being unmarshalled into the
// correct type.
dataKind = objKind
}
if dataVersion == "" {
// Assume objects with unset Version fields are being unmarshalled into the
// correct type.
dataVersion = objVersion
}
external, err := s.NewObject(dataVersion, dataKind)
if err != nil {
return err
}
if err := codec.NewDecoderBytes(data, new(codec.JsonHandle)).Decode(external); err != nil {
return err
}
flags, meta := s.generateConvertMeta(dataVersion, objVersion, external)
if err := s.converter.Convert(external, obj, flags, meta); err != nil {
return err
}
// Version and Kind should be blank in memory.
return s.SetVersionAndKind("", "", obj)
}