// Encode ensures the provided object is output in the appropriate group and version, invoking
// conversion if necessary. Unversioned objects (according to the ObjectTyper) are output as is.
func (c *codec) Encode(obj runtime.Object, w io.Writer) error {
switch t := obj.(type) {
case *runtime.Unknown:
if gv, ok := runtime.PreferredGroupVersion(c.encodeVersion); ok {
t.APIVersion = gv.String()
}
return c.encoder.Encode(obj, w)
case *runtime.Unstructured:
if gv, ok := runtime.PreferredGroupVersion(c.encodeVersion); ok {
t.SetAPIVersion(gv.String())
}
return c.encoder.Encode(obj, w)
case *runtime.UnstructuredList:
if gv, ok := runtime.PreferredGroupVersion(c.encodeVersion); ok {
t.SetAPIVersion(gv.String())
}
return c.encoder.Encode(obj, w)
}
gvks, isUnversioned, err := c.typer.ObjectKinds(obj)
if err != nil {
return err
}
if c.encodeVersion == nil || isUnversioned {
if e, ok := obj.(runtime.NestedObjectEncoder); ok {
if err := e.EncodeNestedObjects(DirectEncoder{Encoder: c.encoder, ObjectTyper: c.typer}); err != nil {
return err
}
}
objectKind := obj.GetObjectKind()
old := objectKind.GroupVersionKind()
objectKind.SetGroupVersionKind(gvks[0])
err = c.encoder.Encode(obj, w)
objectKind.SetGroupVersionKind(old)
return err
}
// Perform a conversion if necessary
objectKind := obj.GetObjectKind()
old := objectKind.GroupVersionKind()
out, err := c.convertor.ConvertToVersion(obj, c.encodeVersion)
if err != nil {
return err
}
if e, ok := obj.(runtime.NestedObjectEncoder); ok {
if err := e.EncodeNestedObjects(DirectEncoder{Encoder: c.encoder, ObjectTyper: c.typer}); err != nil {
return err
}
}
// Conversion is responsible for setting the proper group, version, and kind onto the outgoing object
err = c.encoder.Encode(out, w)
// restore the old GVK, in case conversion returned the same object
objectKind.SetGroupVersionKind(old)
return err
}
func (t *thirdPartyResourceDataCodecFactory) EncoderForVersion(s runtime.Encoder, gv runtime.GroupVersioner) runtime.Encoder {
if target, ok := runtime.PreferredGroupVersion(gv); ok {
return &thirdPartyResourceDataEncoder{delegate: t.delegate.EncoderForVersion(s, gv), gvk: target.WithKind(t.kind)}
}
return &thirdPartyResourceDataEncoder{delegate: t.delegate.EncoderForVersion(s, gv)}
}