mirror of https://github.com/gin-gonic/gin.git
85 lines
1.7 KiB
Go
85 lines
1.7 KiB
Go
// Copyright 2014 Manu Martinez-Almeida. 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 (
|
|
"bytes"
|
|
"net/http"
|
|
|
|
"github.com/json-iterator/go"
|
|
)
|
|
|
|
var json = jsoniter.ConfigCompatibleWithStandardLibrary
|
|
|
|
type JSON struct {
|
|
Data interface{}
|
|
}
|
|
|
|
type IndentedJSON struct {
|
|
Data interface{}
|
|
}
|
|
|
|
type SecureJSON struct {
|
|
Prefix string
|
|
Data interface{}
|
|
}
|
|
|
|
type SecureJSONPrefix string
|
|
|
|
var jsonContentType = []string{"application/json; charset=utf-8"}
|
|
|
|
func (r JSON) Render(w http.ResponseWriter) (err error) {
|
|
if err = WriteJSON(w, r.Data); err != nil {
|
|
panic(err)
|
|
}
|
|
return
|
|
}
|
|
|
|
func (r JSON) WriteContentType(w http.ResponseWriter) {
|
|
writeContentType(w, jsonContentType)
|
|
}
|
|
|
|
func WriteJSON(w http.ResponseWriter, obj interface{}) error {
|
|
writeContentType(w, jsonContentType)
|
|
jsonBytes, err := json.Marshal(obj)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
w.Write(jsonBytes)
|
|
return nil
|
|
}
|
|
|
|
func (r IndentedJSON) Render(w http.ResponseWriter) error {
|
|
r.WriteContentType(w)
|
|
jsonBytes, err := json.MarshalIndent(r.Data, "", " ")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
w.Write(jsonBytes)
|
|
return nil
|
|
}
|
|
|
|
func (r IndentedJSON) WriteContentType(w http.ResponseWriter) {
|
|
writeContentType(w, jsonContentType)
|
|
}
|
|
|
|
func (r SecureJSON) Render(w http.ResponseWriter) error {
|
|
r.WriteContentType(w)
|
|
jsonBytes, err := json.Marshal(r.Data)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
// if the jsonBytes is array values
|
|
if bytes.HasPrefix(jsonBytes, []byte("[")) && bytes.HasSuffix(jsonBytes, []byte("]")) {
|
|
w.Write([]byte(r.Prefix))
|
|
}
|
|
w.Write(jsonBytes)
|
|
return nil
|
|
}
|
|
|
|
func (r SecureJSON) WriteContentType(w http.ResponseWriter) {
|
|
writeContentType(w, jsonContentType)
|
|
}
|