blob: f6a0af801b29f29d970fd0f51ec9ee9302c4d12d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
package main
import (
"io"
"net/http"
)
type ResponseWriter interface {
http.ResponseWriter
Status() int
}
type responseWriter struct {
http.ResponseWriter
pendingStatus int
status int
size int
}
func NewResponseWriter(rw http.ResponseWriter) ResponseWriter {
return &responseWriter{
ResponseWriter: rw,
}
}
func (rw *responseWriter) WriteHeader(s int) {
if rw.Written() {
return
}
rw.pendingStatus = s
if rw.Written() {
return
}
rw.status = s
rw.ResponseWriter.WriteHeader(s)
}
func (rw *responseWriter) Write(b []byte) (int, error) {
if !rw.Written() {
// The status will be StatusOK if WriteHeader has not been called yet
rw.WriteHeader(http.StatusOK)
}
size, err := rw.ResponseWriter.Write(b)
rw.size += size
return size, err
}
func (rw *responseWriter) ReadFrom(r io.Reader) (n int64, err error) {
if !rw.Written() {
// The status will be StatusOK if WriteHeader has not been called yet
rw.WriteHeader(http.StatusOK)
}
n, err = io.Copy(rw.ResponseWriter, r)
rw.size += int(n)
return
}
func (rw *responseWriter) Unwrap() http.ResponseWriter {
return rw.ResponseWriter
}
func (rw *responseWriter) Status() int {
if rw.Written() {
return rw.status
}
return rw.pendingStatus
}
func (rw *responseWriter) Written() bool {
return rw.status != 0
}
|
