43 lines
1.0 KiB
Go
43 lines
1.0 KiB
Go
|
package mtime
|
||
|
|
|
||
|
|
import (
|
||
|
|
"encoding/json"
|
||
|
|
"time"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Duration wraps time.Duration to implement marshaling and unmarshaling methods
|
||
|
|
type Duration struct {
|
||
|
|
time.Duration
|
||
|
|
}
|
||
|
|
|
||
|
|
// MarshalText implements the text.Marshaler interface
|
||
|
|
func (d Duration) MarshalText() ([]byte, error) {
|
||
|
|
return []byte(d.Duration.String()), nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// UnmarshalText implements the text.Unmarshaler interface
|
||
|
|
func (d *Duration) UnmarshalText(b []byte) error {
|
||
|
|
var err error
|
||
|
|
d.Duration, err = time.ParseDuration(string(b))
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
|
||
|
|
// MarshalJSON implements the json.Marshaler interface, marshaling the Duration
|
||
|
|
// as a json string via Duration's String method
|
||
|
|
func (d Duration) MarshalJSON() ([]byte, error) {
|
||
|
|
return json.Marshal(d.String())
|
||
|
|
}
|
||
|
|
|
||
|
|
// UnmarshalJSON implements the json.Unmarshaler interface, unmarshaling the
|
||
|
|
// Duration as a JSON string and using the time.ParseDuration function on that
|
||
|
|
func (d *Duration) UnmarshalJSON(b []byte) error {
|
||
|
|
var s string
|
||
|
|
err := json.Unmarshal(b, &s)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
|
||
|
|
d.Duration, err = time.ParseDuration(s)
|
||
|
|
return err
|
||
|
|
}
|