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// Package httputil implements HTTP utility functions for http.FileSystem.
package httputil
import (
"log"
"net/http"
"github.com/shurcooL/httpgzip"
)
// FileHandler is an http.Handler that serves the root of File,
// which is expected to be a normal file (not a directory).
type FileHandler struct {
File http.FileSystem
}
func (h FileHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
f, err := h.File.Open("/")
if err != nil {
log.Printf("FileHandler.File.Open('/'): %v\n", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
defer f.Close()
fi, err := f.Stat()
if err != nil {
log.Printf("FileHandler.File.Stat('/'): %v\n", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
httpgzip.ServeContent(w, req, fi.Name(), fi.ModTime(), f)
}
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