a simple url shortener in Go (check it out at qurl.org)
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781 B

package storage
import (
type Storage interface {
AddQURL(*obj.QURL) error
GetQURLByURL(string) (*obj.QURL, error)
GetQURLByID(uint64) (*obj.QURL, error)
SetQURLSequence(uint64) error
Backup(string) error
func NewStorage(su string) (Storage, error) {
u, err := url.Parse(su)
if err != nil {
return nil, err
if u.Scheme == "" {
return nil, fmt.Errorf("URL must include a scheme")
var stor Storage
switch strings.ToLower(u.Scheme) {
case "bolt", "boltdb", "bbolt":
stor, err = bolt.New(u)
if err != nil {
return nil, err
return nil, fmt.Errorf("Unsupported URL scheme")
return stor, nil