gtsocial-umbx

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protobuf.go (852B)

      1 // Copyright 2018 Gin Core Team. All rights reserved.
      2 // Use of this source code is governed by a MIT style
      3 // license that can be found in the LICENSE file.
      4 
      5 package render
      6 
      7 import (
      8 	"net/http"
      9 
     10 	"google.golang.org/protobuf/proto"
     11 )
     12 
     13 // ProtoBuf contains the given interface object.
     14 type ProtoBuf struct {
     15 	Data any
     16 }
     17 
     18 var protobufContentType = []string{"application/x-protobuf"}
     19 
     20 // Render (ProtoBuf) marshals the given interface object and writes data with custom ContentType.
     21 func (r ProtoBuf) Render(w http.ResponseWriter) error {
     22 	r.WriteContentType(w)
     23 
     24 	bytes, err := proto.Marshal(r.Data.(proto.Message))
     25 	if err != nil {
     26 		return err
     27 	}
     28 
     29 	_, err = w.Write(bytes)
     30 	return err
     31 }
     32 
     33 // WriteContentType (ProtoBuf) writes ProtoBuf ContentType.
     34 func (r ProtoBuf) WriteContentType(w http.ResponseWriter) {
     35 	writeContentType(w, protobufContentType)
     36 }