mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-11-18 00:29:33 +01:00
59 lines
1.3 KiB
Go
59 lines
1.3 KiB
Go
|
// Copyright 2013 The Go Authors. All rights reserved.
|
||
|
|
//
|
||
|
|
// Use of this source code is governed by a BSD-style
|
||
|
|
// license that can be found in the LICENSE file or at
|
||
|
|
// https://developers.google.com/open-source/licenses/bsd.
|
||
|
|
|
||
|
|
package httputil
|
||
|
|
|
||
|
|
import (
|
||
|
|
"bytes"
|
||
|
|
"net/http"
|
||
|
|
"strconv"
|
||
|
|
)
|
||
|
|
|
||
|
|
// ResponseBuffer is the current response being composed by its owner.
|
||
|
|
// It implements http.ResponseWriter and io.WriterTo.
|
||
|
|
type ResponseBuffer struct {
|
||
|
|
buf bytes.Buffer
|
||
|
|
status int
|
||
|
|
header http.Header
|
||
|
|
}
|
||
|
|
|
||
|
|
// Write implements the http.ResponseWriter interface.
|
||
|
|
func (rb *ResponseBuffer) Write(p []byte) (int, error) {
|
||
|
|
return rb.buf.Write(p)
|
||
|
|
}
|
||
|
|
|
||
|
|
// WriteHeader implements the http.ResponseWriter interface.
|
||
|
|
func (rb *ResponseBuffer) WriteHeader(status int) {
|
||
|
|
rb.status = status
|
||
|
|
}
|
||
|
|
|
||
|
|
// Header implements the http.ResponseWriter interface.
|
||
|
|
func (rb *ResponseBuffer) Header() http.Header {
|
||
|
|
if rb.header == nil {
|
||
|
|
rb.header = make(http.Header)
|
||
|
|
}
|
||
|
|
return rb.header
|
||
|
|
}
|
||
|
|
|
||
|
|
// WriteTo implements the io.WriterTo interface.
|
||
|
|
func (rb *ResponseBuffer) WriteTo(w http.ResponseWriter) error {
|
||
|
|
for k, v := range rb.header {
|
||
|
|
w.Header()[k] = v
|
||
|
|
}
|
||
|
|
if rb.buf.Len() > 0 {
|
||
|
|
w.Header().Set("Content-Length", strconv.Itoa(rb.buf.Len()))
|
||
|
|
}
|
||
|
|
if rb.status != 0 {
|
||
|
|
w.WriteHeader(rb.status)
|
||
|
|
}
|
||
|
|
if rb.buf.Len() > 0 {
|
||
|
|
if _, err := w.Write(rb.buf.Bytes()); err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
}
|