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gzip.go
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gzip.go
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package http2
import (
"compress/gzip"
"net/http"
"strings"
)
func AcceptsGzipResponse(httpRequest *http.Request) bool {
return strings.Contains(httpRequest.Header.Get(AcceptEncodingHeader), GzipEncoding)
}
type gzipResponseWriter struct {
http.ResponseWriter
gzWriter *gzip.Writer
}
// compressionLevel - one of the compression levels in the gzip package.
func NewGzipResponseWriter(writer http.ResponseWriter, compressionLevel int) gzipResponseWriter {
gzWriter, _ := gzip.NewWriterLevel(writer, compressionLevel)
return gzipResponseWriter{ResponseWriter: writer, gzWriter: gzWriter}
}
func (w gzipResponseWriter) Write(b []byte) (int, error) {
return w.gzWriter.Write(b)
}
func (w gzipResponseWriter) Close() {
w.gzWriter.Close()
}