49 lines
1.2 KiB
Go
49 lines
1.2 KiB
Go
|
package encoding
|
||
|
|
|
||
|
|
import (
|
||
|
|
"encoding/json"
|
||
|
|
"fmt"
|
||
|
|
|
||
|
|
"google.golang.org/grpc/encoding"
|
||
|
|
"google.golang.org/protobuf/encoding/protojson"
|
||
|
|
)
|
||
|
|
|
||
|
|
// JSONCodec is easyjson codec used for code generated by protogen.
|
||
|
|
// It is binary-level compatible with the standard protojson format, thus uses the same name.
|
||
|
|
type JSONCodec struct{}
|
||
|
|
|
||
|
|
var _ encoding.Codec = JSONCodec{}
|
||
|
|
|
||
|
|
func init() {
|
||
|
|
encoding.RegisterCodec(JSONCodec{})
|
||
|
|
}
|
||
|
|
|
||
|
|
// Name implements the encoding.Codec interface.
|
||
|
|
func (JSONCodec) Name() string { return "json" }
|
||
|
|
|
||
|
|
// Marshal implements the encoding.Codec interface.
|
||
|
|
func (JSONCodec) Marshal(v any) ([]byte, error) {
|
||
|
|
switch v := v.(type) {
|
||
|
|
case json.Marshaler:
|
||
|
|
return json.Marshal(v)
|
||
|
|
default:
|
||
|
|
if v := messageV2Of(v); v != nil {
|
||
|
|
return protojson.Marshal(v)
|
||
|
|
}
|
||
|
|
return nil, fmt.Errorf("failed to marshal, message is %T, want proto.Message", v)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Unmarshal implements the encoding.Codec interface.
|
||
|
|
func (JSONCodec) Unmarshal(data []byte, v any) error {
|
||
|
|
switch v := v.(type) {
|
||
|
|
case json.Unmarshaler:
|
||
|
|
return json.Unmarshal(data, v)
|
||
|
|
default:
|
||
|
|
if v := messageV2Of(v); v != nil {
|
||
|
|
return protojson.Unmarshal(data, v)
|
||
|
|
}
|
||
|
|
return fmt.Errorf("failed to unmarshal, message is %T, want proto.Message", v)
|
||
|
|
}
|
||
|
|
}
|