/
copy.go
64 lines (53 loc) · 1.06 KB
/
copy.go
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package common
import (
"bytes"
"encoding/gob"
"encoding/json"
"github.com/francoispqt/gojay"
"github.com/jinzhu/copier"
)
type CopyEngine string
const (
JsonEngine = CopyEngine("json")
GobEngine = CopyEngine("gob")
GojayEngine = CopyEngine("gojay")
)
func gobCopy(to, from interface{}) (err error) {
buff := new(bytes.Buffer)
if err = gob.NewEncoder(buff).Encode(from); err != nil {
return
}
err = gob.NewDecoder(buff).Decode(to)
return
}
func jsonCopy(to, from interface{}) (err error) {
var b []byte
if b, err = json.Marshal(from); err != nil {
return
}
err = json.Unmarshal(b, to)
return
}
func gojayCopy(to, from interface{}) (err error) {
var b []byte
if b, err = gojay.Marshal(from); err != nil {
return
}
err = gojay.Unmarshal(b, to)
return
}
func Copy(to, from interface{}, params ...CopyEngine) (err error) {
if len(params) == 0 {
err = copier.Copy(to, from)
return
}
switch params[0] {
case JsonEngine:
err = jsonCopy(to, from)
case GobEngine:
err = gobCopy(to, from)
default:
err = gojayCopy(to, from)
}
return
}