| // Copyright Istio Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package proto |
| |
| import ( |
| "bytes" |
| ) |
| |
| import ( |
| "google.golang.org/protobuf/proto" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-go-pixiu/pkg/util/protomarshal" |
| ) |
| |
| // MessageSlice allows us to marshal slices of protobuf messages like clusters/listeners/routes/endpoints correctly |
| type MessageSlice []proto.Message |
| |
| // MarshalJSON handles marshaling of slices of proto messages |
| func (pSlice MessageSlice) MarshalJSON() ([]byte, error) { |
| buffer := bytes.NewBufferString("[") |
| sliceLength := len(pSlice) |
| for index, msg := range pSlice { |
| b, err := protomarshal.Marshal(msg) |
| if err != nil { |
| return nil, err |
| } |
| buffer.Write(b) |
| if index < sliceLength-1 { |
| buffer.WriteString(",") |
| } |
| } |
| buffer.WriteString("]") |
| return buffer.Bytes(), nil |
| } |