frostfs-api-go/v2/container/json.go
Leonard Lyubich bc5d9dcce5 [#168] container: Implement binary/JSON encoders/decoders on Attribute
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
2020-11-13 18:07:26 +03:00

56 lines
1 KiB
Go

package container
import (
"errors"
container "github.com/nspcc-dev/neofs-api-go/v2/container/grpc"
"google.golang.org/protobuf/encoding/protojson"
)
var (
errEmptyInput = errors.New("empty input")
)
func ContainerToJSON(c *Container) ([]byte, error) {
if c == nil {
return nil, errEmptyInput
}
msg := ContainerToGRPCMessage(c)
return protojson.MarshalOptions{EmitUnpopulated: true}.Marshal(msg)
}
func ContainerFromJSON(data []byte) (*Container, error) {
if len(data) == 0 {
return nil, errEmptyInput
}
msg := new(container.Container)
if err := protojson.Unmarshal(data, msg); err != nil {
return nil, err
}
return ContainerFromGRPCMessage(msg), nil
}
func (a *Attribute) MarshalJSON() ([]byte, error) {
return protojson.MarshalOptions{
EmitUnpopulated: true,
}.Marshal(
AttributeToGRPCMessage(a),
)
}
func (a *Attribute) UnmarshalJSON(data []byte) error {
msg := new(container.Container_Attribute)
if err := protojson.Unmarshal(data, msg); err != nil {
return err
}
*a = *AttributeFromGRPCMessage(msg)
return nil
}