You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
59 lines
1.2 KiB
59 lines
1.2 KiB
package json
|
|
|
|
import (
|
|
"encoding/json"
|
|
"reflect"
|
|
|
|
"github.com/go-kratos/kratos/v2/encoding"
|
|
|
|
"google.golang.org/protobuf/encoding/protojson"
|
|
"google.golang.org/protobuf/proto"
|
|
)
|
|
|
|
// Name is the name registered for the json codec.
|
|
const Name = "json"
|
|
|
|
var (
|
|
// MarshalOptions is a configurable JSON format marshaler.
|
|
MarshalOptions = protojson.MarshalOptions{
|
|
EmitUnpopulated: true,
|
|
}
|
|
// UnmarshalOptions is a configurable JSON format parser.
|
|
UnmarshalOptions = protojson.UnmarshalOptions{
|
|
DiscardUnknown: true,
|
|
}
|
|
)
|
|
|
|
func init() {
|
|
encoding.RegisterCodec(codec{})
|
|
}
|
|
|
|
// codec is a Codec implementation with json.
|
|
type codec struct{}
|
|
|
|
func (codec) Marshal(v interface{}) ([]byte, error) {
|
|
if m, ok := v.(proto.Message); ok {
|
|
return MarshalOptions.Marshal(m)
|
|
}
|
|
return json.Marshal(v)
|
|
}
|
|
|
|
func (codec) Unmarshal(data []byte, v interface{}) error {
|
|
rv := reflect.ValueOf(v)
|
|
for rv.Kind() == reflect.Ptr {
|
|
if rv.IsNil() {
|
|
rv.Set(reflect.New(rv.Type().Elem()))
|
|
v = rv.Interface()
|
|
break
|
|
}
|
|
rv = rv.Elem()
|
|
}
|
|
if m, ok := v.(proto.Message); ok {
|
|
return UnmarshalOptions.Unmarshal(data, m)
|
|
}
|
|
return json.Unmarshal(data, v)
|
|
}
|
|
|
|
func (codec) Name() string {
|
|
return Name
|
|
}
|
|
|