gin/render/protobuf.go

37 lines
861 B
Go

// Copyright 2018 Gin Core Team. All rights reserved.
// Use of this source code is governed by a MIT style
// license that can be found in the LICENSE file.
package render
import (
"net/http"
"google.golang.org/protobuf/proto"
)
// ProtoBuf contains the given interface object.
type ProtoBuf struct {
Data interface{}
}
var protobufContentType = []string{"application/x-protobuf"}
// Render (ProtoBuf) marshals the given interface object and writes data with custom ContentType.
func (r ProtoBuf) Render(w http.ResponseWriter) error {
r.WriteContentType(w)
bytes, err := proto.Marshal(r.Data.(proto.Message))
if err != nil {
return err
}
_, err = w.Write(bytes)
return err
}
// WriteContentType (ProtoBuf) writes ProtoBuf ContentType.
func (r ProtoBuf) WriteContentType(w http.ResponseWriter) {
writeContentType(w, protobufContentType)
}