protobuf Any example

gistfile1.txt

var (
    logger   = logging.GetLogger("checker")
    registry = make(map[string]reflect.Type)
)

func init() {
    registry["HttpCheck"] = reflect.TypeOf(HttpCheck{})
}

func UnmarshalAny(any *Any) (interface{}, error) {
    class := any.TypeUrl
    bytes := any.Value

    instance := reflect.New(registry[class]).Interface()
    err := proto.Unmarshal(bytes, instance.(proto.Message))
    if err != nil {
        return nil, err
    }
    logger.Debug("instance: %v", instance)

    return instance, nil
}