// NewRef creates a new instance of a ref object
// returns an error when the reference uri is an invalid uri
func NewRef(refURI string) (Ref, error) {
ref, err := jsonreference.New(refURI)
if err != nil {
return Ref{}, err
}
return Ref{Ref: ref}, nil
}
// UnmarshalJSON unmarshals this ref from a JSON object
func (r *Ref) UnmarshalJSON(d []byte) error {
var v map[string]interface{}
if err := json.Unmarshal(d, &v); err != nil {
return err
}
if v == nil {
return nil
}
if vv, ok := v["$ref"]; ok {
if str, ok := vv.(string); ok {
ref, err := jsonreference.New(str)
if err != nil {
return err
}
*r = Ref{Ref: ref}
}
}
return nil
}