// getJSON fetches a URL and decodes the response body as JSON.
func getJSON(urlStr string, param web.Values) (interface{}, os.Error) {
if param != nil {
urlStr = urlStr + "?" + param.FormEncodedString()
}
r, err := http.Get(urlStr)
if err != nil {
return nil, err
}
defer r.Body.Close()
if r.StatusCode != 200 {
return nil, os.NewError(fmt.Sprint("Status ", r.StatusCode))
}
p, _ := ioutil.ReadAll(r.Body)
var v interface{}
err = json.NewDecoder(bytes.NewBuffer(p)).Decode(&v)
if err != nil {
return nil, err
}
return v, nil
}
// getUrlEncodedForm fetches a URL and decodes the response body as a URL encoded form.
func getUrlEncodedForm(urlStr string, param web.Values) (web.Values, os.Error) {
if param != nil {
urlStr = urlStr + "?" + param.FormEncodedString()
}
r, err := http.Get(urlStr)
if err != nil {
return nil, err
}
defer r.Body.Close()
if r.StatusCode != 200 {
return nil, os.NewError(fmt.Sprint("Status ", r.StatusCode))
}
p, err := ioutil.ReadAll(r.Body)
if err != nil {
return nil, err
}
m := make(web.Values)
err = m.ParseFormEncodedBytes(p)
if err != nil {
return nil, err
}
return m, nil
}