gin/binding/json/json.go

48 lines
994 B
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 json
import (
"bytes"
"fmt"
"io"
"net/http"
"github.com/gin-gonic/gin/binding/common"
"github.com/gin-gonic/gin/internal/json"
)
func init() {
common.List[common.MIMEJSON] = jsonBinding{}
}
type jsonBinding struct{}
func (jsonBinding) Name() string {
return "json"
}
func (jsonBinding) Bind(req *http.Request, obj interface{}) error {
if req == nil || req.Body == nil {
return fmt.Errorf("invalid request")
}
return decodeJSON(req.Body, obj)
}
func (jsonBinding) BindBody(body []byte, obj interface{}) error {
return decodeJSON(bytes.NewReader(body), obj)
}
func decodeJSON(r io.Reader, obj interface{}) error {
decoder := json.NewDecoder(r)
if common.EnableDecoderUseNumber {
decoder.UseNumber()
}
if err := decoder.Decode(obj); err != nil {
return err
}
return common.Validate(obj)
}