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Add remove support for http.Pusher in go1.7
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,135 @@ | ||
// +build go1.7 !go1.8 | ||
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package nethttp | ||
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import ( | ||
"io" | ||
"net/http" | ||
) | ||
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type statusCodeTracker struct { | ||
http.ResponseWriter | ||
status int | ||
} | ||
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func (w *statusCodeTracker) WriteHeader(status int) { | ||
w.status = status | ||
w.ResponseWriter.WriteHeader(status) | ||
} | ||
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// wrappedResponseWriter returns a wrapped version of the original | ||
// ResponseWriter and only implements the same combination of additional | ||
// interfaces as the original. This implementation is based on | ||
// https://github.com/felixge/httpsnoop. | ||
func (w *statusCodeTracker) wrappedResponseWriter() http.ResponseWriter { | ||
var ( | ||
hj, i0 = w.ResponseWriter.(http.Hijacker) | ||
cn, i1 = w.ResponseWriter.(http.CloseNotifier) | ||
fl, i3 = w.ResponseWriter.(http.Flusher) | ||
rf, i4 = w.ResponseWriter.(io.ReaderFrom) | ||
) | ||
i2 := false | ||
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switch { | ||
case !i0 && !i1 && !i2 && !i3 && !i4: | ||
return struct { | ||
http.ResponseWriter | ||
}{w} | ||
case !i0 && !i1 && !i2 && !i3 && i4: | ||
return struct { | ||
http.ResponseWriter | ||
io.ReaderFrom | ||
}{w, rf} | ||
case !i0 && !i1 && !i2 && i3 && !i4: | ||
return struct { | ||
http.ResponseWriter | ||
http.Flusher | ||
}{w, fl} | ||
case !i0 && !i1 && !i2 && i3 && i4: | ||
return struct { | ||
http.ResponseWriter | ||
http.Flusher | ||
io.ReaderFrom | ||
}{w, fl, rf} | ||
case !i0 && i1 && !i2 && !i3 && !i4: | ||
return struct { | ||
http.ResponseWriter | ||
http.CloseNotifier | ||
}{w, cn} | ||
case !i0 && i1 && !i2 && !i3 && i4: | ||
return struct { | ||
http.ResponseWriter | ||
http.CloseNotifier | ||
io.ReaderFrom | ||
}{w, cn, rf} | ||
case !i0 && i1 && !i2 && i3 && !i4: | ||
return struct { | ||
http.ResponseWriter | ||
http.CloseNotifier | ||
http.Flusher | ||
}{w, cn, fl} | ||
case !i0 && i1 && !i2 && i3 && i4: | ||
return struct { | ||
http.ResponseWriter | ||
http.CloseNotifier | ||
http.Flusher | ||
io.ReaderFrom | ||
}{w, cn, fl, rf} | ||
case i0 && !i1 && !i2 && !i3 && !i4: | ||
return struct { | ||
http.ResponseWriter | ||
http.Hijacker | ||
}{w, hj} | ||
case i0 && !i1 && !i2 && !i3 && i4: | ||
return struct { | ||
http.ResponseWriter | ||
http.Hijacker | ||
io.ReaderFrom | ||
}{w, hj, rf} | ||
case i0 && !i1 && !i2 && i3 && !i4: | ||
return struct { | ||
http.ResponseWriter | ||
http.Hijacker | ||
http.Flusher | ||
}{w, hj, fl} | ||
case i0 && !i1 && !i2 && i3 && i4: | ||
return struct { | ||
http.ResponseWriter | ||
http.Hijacker | ||
http.Flusher | ||
io.ReaderFrom | ||
}{w, hj, fl, rf} | ||
case i0 && i1 && !i2 && !i3 && !i4: | ||
return struct { | ||
http.ResponseWriter | ||
http.Hijacker | ||
http.CloseNotifier | ||
}{w, hj, cn} | ||
case i0 && i1 && !i2 && !i3 && i4: | ||
return struct { | ||
http.ResponseWriter | ||
http.Hijacker | ||
http.CloseNotifier | ||
io.ReaderFrom | ||
}{w, hj, cn, rf} | ||
case i0 && i1 && !i2 && i3 && !i4: | ||
return struct { | ||
http.ResponseWriter | ||
http.Hijacker | ||
http.CloseNotifier | ||
http.Flusher | ||
}{w, hj, cn, fl} | ||
case i0 && i1 && !i2 && i3 && i4: | ||
return struct { | ||
http.ResponseWriter | ||
http.Hijacker | ||
http.CloseNotifier | ||
http.Flusher | ||
io.ReaderFrom | ||
}{w, hj, cn, fl, rf} | ||
default: | ||
return struct { | ||
http.ResponseWriter | ||
}{w} | ||
} | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,4 +1,5 @@ | ||
// +build go1.7 | ||
// +build go1.8 | ||
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package nethttp | ||
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import ( | ||
|