60 lines
1.2 KiB
Go
60 lines
1.2 KiB
Go
// For more tutorials: https://blog.learngoprogramming.com
|
|
//
|
|
// Copyright © 2018 Inanc Gumus
|
|
// Learn Go Programming Course
|
|
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
|
|
//
|
|
|
|
package main
|
|
|
|
import (
|
|
"encoding/json"
|
|
"io"
|
|
"io/ioutil"
|
|
"os"
|
|
)
|
|
|
|
func encode() ([]byte, error) {
|
|
l := list{
|
|
{Title: "moby dick", Price: 10, Released: toTimestamp(118281600)},
|
|
{Title: "odyssey", Price: 15, Released: toTimestamp("733622400")},
|
|
{Title: "hobbit", Price: 25},
|
|
}
|
|
|
|
return json.MarshalIndent(l, "", "\t")
|
|
}
|
|
|
|
func decode(data []byte) (l list, _ error) {
|
|
if err := json.Unmarshal(data, &l); err != nil {
|
|
return nil, err
|
|
}
|
|
return
|
|
}
|
|
|
|
func decodeFile(path string) (list, error) {
|
|
// ReadAll reads entire bytes from a file to memory.
|
|
data, err := ioutil.ReadFile(path)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return decode(data)
|
|
}
|
|
|
|
func decodeFileObject(f *os.File) (list, error) {
|
|
data, err := ioutil.ReadAll(f)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return decode(data)
|
|
}
|
|
|
|
func decodeReader(r io.Reader) (l list, err error) {
|
|
// data, err := ioutil.ReadAll(r)
|
|
// if err != nil {
|
|
// return nil, err
|
|
// }
|
|
// return decode(data)
|
|
|
|
return l, json.NewDecoder(r).Decode(&l)
|
|
}
|