From d4d579bd5ad5125cab0d017c993a3c384c347f44 Mon Sep 17 00:00:00 2001
From: Joe <sunfuze.1989@gmail.com>
Date: Thu, 4 Jul 2019 16:43:36 +0800
Subject: [PATCH] if unmarshal target is proto.Message, using jsonpb

---
 codec.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/codec.go b/codec.go
index cfa97f9..7562a04 100644
--- a/codec.go
+++ b/codec.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"strings"
 
+	"github.com/golang/protobuf/jsonpb"
 	"github.com/golang/protobuf/proto"
 	"github.com/micro/go-micro/codec"
 	"github.com/micro/go-micro/codec/bytes"
@@ -79,6 +80,10 @@ func (jsonCodec) Marshal(v interface{}) ([]byte, error) {
 }
 
 func (jsonCodec) Unmarshal(data []byte, v interface{}) error {
+	if pb, ok := v.(proto.Message); ok {
+		return jsonpb.UnmarshalString(string(data), pb)
+	}
+
 	return json.Unmarshal(data, v)
 }