gin/binding/binding.go

64 lines
1.3 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 binding
import (
"net/http"
"gopkg.in/bluesuncorp/validator.v5"
)
const (
MIMEJSON = "application/json"
MIMEHTML = "text/html"
MIMEXML = "application/xml"
MIMEXML2 = "text/xml"
MIMEPlain = "text/plain"
MIMEPOSTForm = "application/x-www-form-urlencoded"
MIMEMultipartPOSTForm = "multipart/form-data"
)
type Binding interface {
Name() string
Bind(*http.Request, interface{}) error
}
var validate = validator.New("binding", validator.BakedInValidators)
var (
JSON = jsonBinding{}
XML = xmlBinding{}
Form = formBinding{}
)
func Default(method, contentType string) Binding {
if method == "GET" {
return Form
} else {
switch contentType {
case MIMEJSON:
return JSON
case MIMEXML, MIMEXML2:
return XML
default: //case MIMEPOSTForm, MIMEMultipartPOSTForm:
return Form
}
}
}
func ValidateField(f interface{}, tag string) error {
if err := validate.Field(f, tag); err != nil {
return error(err)
}
return nil
}
func Validate(obj interface{}) error {
if err := validate.Struct(obj); err != nil {
return error(err)
}
return nil
}