mirror of https://github.com/gin-gonic/gin.git
61 lines
1.1 KiB
Go
61 lines
1.1 KiB
Go
// Copyright 2014 Manu Martinez-Almeida. All rights reserved.
|
|
// Use of this source code is governed by a MIT style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package gin
|
|
|
|
import (
|
|
"log"
|
|
"net/http"
|
|
)
|
|
|
|
type (
|
|
ResponseWriter interface {
|
|
http.ResponseWriter
|
|
Status() int
|
|
Written() bool
|
|
WriteHeaderNow()
|
|
}
|
|
|
|
responseWriter struct {
|
|
http.ResponseWriter
|
|
status int
|
|
written bool
|
|
}
|
|
)
|
|
|
|
func (w *responseWriter) reset(writer http.ResponseWriter) {
|
|
w.ResponseWriter = writer
|
|
w.status = 200
|
|
w.written = false
|
|
}
|
|
|
|
func (w *responseWriter) WriteHeader(code int) {
|
|
if code > 0 {
|
|
w.status = code
|
|
if w.written {
|
|
log.Println("[GIN] WARNING. Headers were already written!")
|
|
}
|
|
}
|
|
}
|
|
|
|
func (w *responseWriter) WriteHeaderNow() {
|
|
if !w.written {
|
|
w.written = true
|
|
w.ResponseWriter.WriteHeader(w.status)
|
|
}
|
|
}
|
|
|
|
func (w *responseWriter) Write(data []byte) (n int, err error) {
|
|
w.WriteHeaderNow()
|
|
return w.ResponseWriter.Write(data)
|
|
}
|
|
|
|
func (w *responseWriter) Status() int {
|
|
return w.status
|
|
}
|
|
|
|
func (w *responseWriter) Written() bool {
|
|
return w.written
|
|
}
|