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https://github.com/golang/go
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289a357104
Originally published on The Go Programming Language Blog, January 25, 2011. http://blog.golang.org/2011/01/json-and-go.html R=adg CC=golang-dev https://golang.org/cl/5846044
89 lines
1.5 KiB
Go
89 lines
1.5 KiB
Go
// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import (
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"encoding/json"
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"log"
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"reflect"
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)
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type Message struct {
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Name string
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Body string
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Time int64
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}
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// STOP OMIT
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func Encode() {
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m := Message{"Alice", "Hello", 1294706395881547000}
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b, err := json.Marshal(m)
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if err != nil {
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panic(err)
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}
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expected := []byte(`{"Name":"Alice","Body":"Hello","Time":1294706395881547000}`)
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if !reflect.DeepEqual(b, expected) {
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log.Panicf("Error marshalling %q, expected %q, got %q.", m, expected, b)
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}
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}
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func Decode() {
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b := []byte(`{"Name":"Alice","Body":"Hello","Time":1294706395881547000}`)
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var m Message
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err := json.Unmarshal(b, &m)
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if err != nil {
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panic(err)
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}
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expected := Message{
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Name: "Alice",
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Body: "Hello",
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Time: 1294706395881547000,
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}
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if !reflect.DeepEqual(m, expected) {
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log.Panicf("Error unmarshalling %q, expected %q, got %q.", b, expected, m)
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}
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m = Message{
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Name: "Alice",
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Body: "Hello",
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Time: 1294706395881547000,
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}
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// STOP OMIT
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}
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func PartialDecode() {
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b := []byte(`{"Name":"Bob","Food":"Pickle"}`)
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var m Message
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err := json.Unmarshal(b, &m)
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// STOP OMIT
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if err != nil {
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panic(err)
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}
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expected := Message{
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Name: "Bob",
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}
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if !reflect.DeepEqual(expected, m) {
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log.Panicf("Error unmarshalling %q, expected %q, got %q.", b, expected, m)
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}
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}
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func main() {
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Encode()
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Decode()
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PartialDecode()
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}
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