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48 lines
1.2 KiB
Go
48 lines
1.2 KiB
Go
package response
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import (
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"bufio"
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"errors"
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"net"
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"net/http"
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)
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// A WithCodeResponseWriter is a helper to delay sealing a http.ResponseWriter on writing code.
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type WithCodeResponseWriter struct {
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Writer http.ResponseWriter
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Code int
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}
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// Flush flushes the response writer.
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func (w *WithCodeResponseWriter) Flush() {
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if flusher, ok := w.Writer.(http.Flusher); ok {
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flusher.Flush()
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}
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}
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// Header returns the http header.
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func (w *WithCodeResponseWriter) Header() http.Header {
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return w.Writer.Header()
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}
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// Hijack implements the http.Hijacker interface.
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// This expands the Response to fulfill http.Hijacker if the underlying http.ResponseWriter supports it.
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func (w *WithCodeResponseWriter) Hijack() (net.Conn, *bufio.ReadWriter, error) {
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if hijacked, ok := w.Writer.(http.Hijacker); ok {
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return hijacked.Hijack()
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}
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return nil, nil, errors.New("server doesn't support hijacking")
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}
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// Write writes bytes into w.
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func (w *WithCodeResponseWriter) Write(bytes []byte) (int, error) {
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return w.Writer.Write(bytes)
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}
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// WriteHeader writes code into w, and not sealing the writer.
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func (w *WithCodeResponseWriter) WriteHeader(code int) {
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w.Writer.WriteHeader(code)
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w.Code = code
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}
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