mirror of https://github.com/gin-gonic/gin.git
62 lines
995 B
Go
62 lines
995 B
Go
package gin
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import (
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"log"
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"net/http"
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)
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type (
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ResponseWriter interface {
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http.ResponseWriter
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Status() int
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Written() bool
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WriteHeaderNow()
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}
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responseWriter struct {
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http.ResponseWriter
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status int
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written bool
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}
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)
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func (w *responseWriter) reset(writer http.ResponseWriter) {
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w.ResponseWriter = writer
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w.status = 0
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w.written = false
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}
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func (w *responseWriter) WriteHeader(code int) {
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if code != 0 {
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w.status = code
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if w.written {
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log.Println("[GIN] WARNING. Headers were already written!")
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}
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}
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}
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func (w *responseWriter) WriteHeaderNow() {
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if !w.written {
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w.written = true
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w.ResponseWriter.WriteHeader(w.status)
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}
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}
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func (w *responseWriter) Write(data []byte) (n int, err error) {
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if !w.written {
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if w.status != 0 {
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w.ResponseWriter.WriteHeader(w.status)
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}
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w.written = true
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}
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return w.ResponseWriter.Write(data)
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}
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func (w *responseWriter) Status() int {
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return w.status
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}
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func (w *responseWriter) Written() bool {
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return w.written
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}
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