func HandleError(c context.Context, w http.ResponseWriter, e error) {
c.Errorf(e.Error())
handleStatus(c, w, e, http.StatusBadRequest)
if Notifier != nil {
Notifier.Notify(c, e, c.HTTPRequest(), nil)
}
}
func HandleUnauthorized(c context.Context, w http.ResponseWriter, e error) {
w.WriteHeader(http.StatusUnauthorized)
// Error can be nil.
errStr := "You are not authorized to access this page."
if e != nil {
errStr = e.Error()
c.Errorf("HandleUnauthorized: %v", errStr)
}
data := &errResult{
Err: errStr,
C: c,
}
switch w.Header().Get("Content-Type") {
case "application/json":
if err := json.NewEncoder(w).Encode(data); err != nil {
c.Errorf("json.Encode failed: %v", err)
return
}
case "text/xml":
w.Write([]byte(xml.Header))
if err := xml.NewEncoder(w).Encode(data); err != nil {
c.Errorf("xml.Encode failed: %v", err)
return
}
default:
HandleTemplate(c, w, UnauthorizedTpl, data)
}
}
func HandleNotFound(c context.Context, w http.ResponseWriter, e error) {
w.WriteHeader(http.StatusNotFound)
// Error can be nil.
var errStr string
if e != nil {
errStr = e.Error()
c.Infof("HandleNotFound: %v", errStr)
}
data := &errResult{
Err: errStr,
C: c,
}
switch w.Header().Get("Content-Type") {
case "application/json":
if err := json.NewEncoder(w).Encode(data); err != nil {
c.Errorf("json.Encode failed: %v", err)
return
}
case "text/xml":
w.Write([]byte(xml.Header))
if err := xml.NewEncoder(w).Encode(data); err != nil {
c.Errorf("xml.Encode failed: %v", err)
return
}
default:
HandleTemplate(c, w, NotFoundTpl, data)
}
}
func handleStatus(c context.Context, w http.ResponseWriter, e error, status int) {
w.WriteHeader(status)
data := &errResult{
C: c,
Err: e.Error(),
}
switch w.Header().Get("Content-Type") {
case "application/json":
if err := json.NewEncoder(w).Encode(data); err != nil {
c.Errorf("json.Encode failed: %v", err)
return
}
case "text/xml":
w.Write([]byte(xml.Header))
if err := xml.NewEncoder(w).Encode(data); err != nil {
c.Errorf("xml.Encode failed: %v", err)
return
}
default:
if err := ErrorTpl.Execute(w, data); err != nil {
c.Errorf("errLayout.Execute failed: %v", err)
return
}
}
}
func HandleResult(c context.Context, w http.ResponseWriter, result interface{}) {
switch ct := w.Header().Get("Content-Type"); ct {
case "application/json":
if err := json.NewEncoder(w).Encode(result); err != nil {
c.Errorf("json.Encode failed: %v", err)
return
}
case "text/xml":
w.Write([]byte(xml.Header))
if err := xml.NewEncoder(w).Encode(result); err != nil {
c.Errorf("xml.Encode failed: %v", err)
return
}
default:
c.Errorf("httphelper: unsupported mime type %v", ct)
}
}
func HandleWarning(c context.Context, w http.ResponseWriter, e error) {
c.Warningf(e.Error())
handleStatus(c, w, e, http.StatusBadRequest)
}
func HandleStatus(c context.Context, w http.ResponseWriter, e error, status int) {
c.Warningf(e.Error())
handleStatus(c, w, e, status)
}