Golang hacks/experiments

json_marshalling.go

package main
import (
	"encoding/json"
	"time"
	"fmt"
	"strconv"
)

type jsonTime time.Time

type Message struct {
	Name string  `json:"name"`
	Time jsonTime `json:"time"`
}


func (t jsonTime) MarshalJSON()([]byte, error){
	return []byte(strconv.Quote(time.Time(t).Format(time.RFC3339))),nil
}

func (t *jsonTime) UnMarshalJSON(s []byte) (err error){
	q, err := strconv.Unquote(string(s))
	if (err != nil){
		return err
	}
	*(*time.Time)(t), err = time.Parse(time.RFC3339,q)
	return
}

func (t jsonTime) String() string{ 
	return time.Time(t).String() 
}


func main(){
	m := Message{ "Test", jsonTime(time.Now())}
	b, _ := json.Marshal(m)
	fmt.Printf("%s\n",b)
	b2 := []byte(`{"name":"Test","time":"2013-07-21T02:23:44-04:00"}`)
	var m2 Message 
	err := json.Unmarshal(b2,&m2)
	if err != nil {
		fmt.Println("error:", err)
	}
	fmt.Printf("%v", m2)


}