influxdb/kit/transport/http/status_response_writer.go

59 lines
1.1 KiB
Go

package http
import "net/http"
type StatusResponseWriter struct {
statusCode int
responseBytes int
http.ResponseWriter
}
func NewStatusResponseWriter(w http.ResponseWriter) *StatusResponseWriter {
return &StatusResponseWriter{
ResponseWriter: w,
}
}
func (w *StatusResponseWriter) Write(b []byte) (int, error) {
n, err := w.ResponseWriter.Write(b)
w.responseBytes += n
return n, err
}
// WriteHeader writes the header and captures the status code.
func (w *StatusResponseWriter) WriteHeader(statusCode int) {
w.statusCode = statusCode
w.ResponseWriter.WriteHeader(statusCode)
}
func (w *StatusResponseWriter) Code() int {
code := w.statusCode
if code == 0 {
// When statusCode is 0 then WriteHeader was never called and we can assume that
// the ResponseWriter wrote an http.StatusOK.
code = http.StatusOK
}
return code
}
func (w *StatusResponseWriter) ResponseBytes() int {
return w.responseBytes
}
func (w *StatusResponseWriter) StatusCodeClass() string {
class := "XXX"
switch w.Code() / 100 {
case 1:
class = "1XX"
case 2:
class = "2XX"
case 3:
class = "3XX"
case 4:
class = "4XX"
case 5:
class = "5XX"
}
return class
}