prometheus/web/api/v1/json_codec.go

// Copyright 2016 The Prometheus 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 v1

import jsoniter "github.com/json-iterator/go"

// JSONCodec is a Codec that encodes API responses as JSON.
type JSONCodec struct{}

func (j JSONCodec) ContentType() string {
	return "application/json"
}

func (j JSONCodec) CanEncode(_ *Response) bool {
	return true
}

func (j JSONCodec) Encode(resp *Response) ([]byte, error) {
	json := jsoniter.ConfigCompatibleWithStandardLibrary
	return json.Marshal(resp)
}