package main import ( "fmt" "log" "net/http" "os" "strings" urlshortener "google.golang.org/api/urlshortener/v1" ) func init() { registerDemo("urlshortener", urlshortener.UrlshortenerScope, urlShortenerMain) } func urlShortenerMain(client *http.Client, argv []string) { if len(argv) != 1 { fmt.Fprintf(os.Stderr, "Usage: urlshortener http://goo.gl/xxxxx (to look up details)\n") fmt.Fprintf(os.Stderr, " urlshortener http://example.com/long (to shorten)\n") return } svc, _ := urlshortener.New(client) urlstr := argv[0] // short -> long if strings.HasPrefix(urlstr, "http://goo.gl/") || strings.HasPrefix(urlstr, "https://goo.gl/") { url, err := svc.Url.Get(urlstr).Do() if err != nil { log.Fatalf("URL Get: %v", err) } fmt.Printf("Lookup of %s: %s\n", urlstr, url.LongUrl) return } // long -> short url, err := svc.Url.Insert(&urlshortener.Url{ Kind: "urlshortener#url", // Not really needed LongUrl: urlstr, }).Do() if err != nil { log.Fatalf("URL Insert: %v", err) } fmt.Printf("Shortened %s => %s\n", urlstr, url.Id) }