77 lines
1.6 KiB
Go
77 lines
1.6 KiB
Go
// Copyright 2014 Manu Martinez-Almeida. All rights reserved.
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// Use of this source code is governed by a MIT style
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// license that can be found in the LICENSE file.
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package binding
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import (
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"net/http"
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"reflect"
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"gopkg.in/bluesuncorp/validator.v5"
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)
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const (
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MIMEJSON = "application/json"
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MIMEHTML = "text/html"
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MIMEXML = "application/xml"
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MIMEXML2 = "text/xml"
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MIMEPlain = "text/plain"
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MIMEPOSTForm = "application/x-www-form-urlencoded"
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MIMEMultipartPOSTForm = "multipart/form-data"
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)
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type Binding interface {
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Name() string
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Bind(*http.Request, interface{}) error
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}
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var validate = validator.New("binding", validator.BakedInValidators)
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var (
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JSON = jsonBinding{}
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XML = xmlBinding{}
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Form = formBinding{}
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)
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func Default(method, contentType string) Binding {
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if method == "GET" {
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return Form
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} else {
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switch contentType {
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case MIMEJSON:
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return JSON
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case MIMEXML, MIMEXML2:
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return XML
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default: //case MIMEPOSTForm, MIMEMultipartPOSTForm:
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return Form
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}
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}
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}
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func ValidateField(f interface{}, tag string) error {
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if err := validate.Field(f, tag); err != nil {
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return error(err)
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}
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return nil
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}
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func Validate(obj interface{}) error {
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if kindOfData(obj) != reflect.Struct {
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return nil
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}
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if err := validate.Struct(obj); err != nil {
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return error(err)
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}
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return nil
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}
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func kindOfData(data interface{}) reflect.Kind {
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value := reflect.ValueOf(data)
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valueType := value.Kind()
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if valueType == reflect.Ptr {
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valueType = value.Elem().Kind()
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}
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return valueType
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}
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