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serializer.go
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/
serializer.go
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package utils
import (
"bytes"
"encoding/gob"
"reflect"
"strconv"
)
// Serialize returns a []byte representing the passed value
func Serialize(value interface{}) ([]byte, error) {
if bytes, ok := value.([]byte); ok {
return bytes, nil
}
switch v := reflect.ValueOf(value); v.Kind() {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return []byte(strconv.FormatInt(v.Int(), 10)), nil
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
return []byte(strconv.FormatUint(v.Uint(), 10)), nil
}
var b bytes.Buffer
encoder := gob.NewEncoder(&b)
if err := encoder.Encode(value); err != nil {
return nil, err
}
return b.Bytes(), nil
}
// Deserialize deserialices the passed []byte into a the passed ptr interface{}
func Deserialize(byt []byte, ptr interface{}) (err error) {
if bytes, ok := ptr.(*[]byte); ok {
*bytes = byt
return nil
}
if v := reflect.ValueOf(ptr); v.Kind() == reflect.Ptr {
switch p := v.Elem(); p.Kind() {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
var i int64
i, err = strconv.ParseInt(string(byt), 10, 64)
if err != nil {
return err
}
p.SetInt(i)
return nil
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
var i uint64
i, err = strconv.ParseUint(string(byt), 10, 64)
if err != nil {
return err
}
p.SetUint(i)
return nil
}
}
b := bytes.NewBuffer(byt)
decoder := gob.NewDecoder(b)
if err = decoder.Decode(ptr); err != nil {
return err
}
return nil
}