You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

45 lines
1.2 KiB
Go

package render
import (
"encoding/json"
"encoding/xml"
"errors"
"io"
"io/ioutil"
"net/http"
)
// Decode is a package-level variable set to our default Decoder. We do this
// because it allows you to set render.Decode to another function with the
// same function signature, while also utilizing the render.Decoder() function
// itself. Effectively, allowing you to easily add your own logic to the package
// defaults. For example, maybe you want to impose a limit on the number of
// bytes allowed to be read from the request body.
var Decode = DefaultDecoder
func DefaultDecoder(r *http.Request, v interface{}) error {
var err error
switch GetRequestContentType(r) {
case ContentTypeJSON:
err = DecodeJSON(r.Body, v)
case ContentTypeXML:
err = DecodeXML(r.Body, v)
// case ContentTypeForm: // TODO
default:
err = errors.New("render: unable to automatically decode the request content type")
}
return err
}
func DecodeJSON(r io.Reader, v interface{}) error {
defer io.Copy(ioutil.Discard, r)
return json.NewDecoder(r).Decode(v)
}
func DecodeXML(r io.Reader, v interface{}) error {
defer io.Copy(ioutil.Discard, r)
return xml.NewDecoder(r).Decode(v)
}