FsCache Example.go

fscache_ex.go

import (
  "io"
  "log"
  "net/http"

  "github.com/djherbis/fscache"
)

// This will only get called on a cache-miss
func Handler(w http.Response, r *http.Request) {
  io.Copy(w, expensiveProcessReader(r.URL.String()))
}

func main(){
  // Create a new cache directory, expire items after 6 hours of inactivity
  c, err := fscache.New("./cache", 0700, 6*time.Hour)
  if err != nil {
    log.Fatal(err.Error())
  }

  // That's it? Yep.
  http.LisenAndServe(":8080", fscache.Handler(c, http.HandlerFunc(Handler)))
}