peridot/vendor/github.com/grpc-ecosystem/grpc-gateway/v2/runtime/marshal_json.go

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2022-07-07 20:11:50 +00:00
package runtime
import (
"encoding/json"
"io"
)
// JSONBuiltin is a Marshaler which marshals/unmarshals into/from JSON
// with the standard "encoding/json" package of Golang.
// Although it is generally faster for simple proto messages than JSONPb,
// it does not support advanced features of protobuf, e.g. map, oneof, ....
//
// The NewEncoder and NewDecoder types return *json.Encoder and
// *json.Decoder respectively.
type JSONBuiltin struct{}
// ContentType always Returns "application/json".
func (*JSONBuiltin) ContentType(_ interface{}) string {
return "application/json"
}
// Marshal marshals "v" into JSON
func (j *JSONBuiltin) Marshal(v interface{}) ([]byte, error) {
return json.Marshal(v)
}
// Unmarshal unmarshals JSON data into "v".
func (j *JSONBuiltin) Unmarshal(data []byte, v interface{}) error {
return json.Unmarshal(data, v)
}
// NewDecoder returns a Decoder which reads JSON stream from "r".
func (j *JSONBuiltin) NewDecoder(r io.Reader) Decoder {
return json.NewDecoder(r)
}
// NewEncoder returns an Encoder which writes JSON stream into "w".
func (j *JSONBuiltin) NewEncoder(w io.Writer) Encoder {
return json.NewEncoder(w)
}
// Delimiter for newline encoded JSON streams.
func (j *JSONBuiltin) Delimiter() []byte {
return []byte("\n")
}