100 lines
3 KiB
Go
100 lines
3 KiB
Go
package date
|
|
|
|
// Copyright 2017 Microsoft Corporation
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
import (
|
|
"errors"
|
|
"time"
|
|
)
|
|
|
|
const (
|
|
rfc1123JSON = `"` + time.RFC1123 + `"`
|
|
rfc1123 = time.RFC1123
|
|
)
|
|
|
|
// TimeRFC1123 defines a type similar to time.Time but assumes a layout of RFC1123 date-time (i.e.,
|
|
// Mon, 02 Jan 2006 15:04:05 MST).
|
|
type TimeRFC1123 struct {
|
|
time.Time
|
|
}
|
|
|
|
// UnmarshalJSON reconstitutes the Time from a JSON string conforming to RFC1123 date-time
|
|
// (i.e., Mon, 02 Jan 2006 15:04:05 MST).
|
|
func (t *TimeRFC1123) UnmarshalJSON(data []byte) (err error) {
|
|
t.Time, err = ParseTime(rfc1123JSON, string(data))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// MarshalJSON preserves the Time as a JSON string conforming to RFC1123 date-time (i.e.,
|
|
// Mon, 02 Jan 2006 15:04:05 MST).
|
|
func (t TimeRFC1123) MarshalJSON() ([]byte, error) {
|
|
if y := t.Year(); y < 0 || y >= 10000 {
|
|
return nil, errors.New("Time.MarshalJSON: year outside of range [0,9999]")
|
|
}
|
|
b := []byte(t.Format(rfc1123JSON))
|
|
return b, nil
|
|
}
|
|
|
|
// MarshalText preserves the Time as a byte array conforming to RFC1123 date-time (i.e.,
|
|
// Mon, 02 Jan 2006 15:04:05 MST).
|
|
func (t TimeRFC1123) MarshalText() ([]byte, error) {
|
|
if y := t.Year(); y < 0 || y >= 10000 {
|
|
return nil, errors.New("Time.MarshalText: year outside of range [0,9999]")
|
|
}
|
|
|
|
b := []byte(t.Format(rfc1123))
|
|
return b, nil
|
|
}
|
|
|
|
// UnmarshalText reconstitutes a Time saved as a byte array conforming to RFC1123 date-time
|
|
// (i.e., Mon, 02 Jan 2006 15:04:05 MST).
|
|
func (t *TimeRFC1123) UnmarshalText(data []byte) (err error) {
|
|
t.Time, err = ParseTime(rfc1123, string(data))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// MarshalBinary preserves the Time as a byte array conforming to RFC1123 date-time (i.e.,
|
|
// Mon, 02 Jan 2006 15:04:05 MST).
|
|
func (t TimeRFC1123) MarshalBinary() ([]byte, error) {
|
|
return t.MarshalText()
|
|
}
|
|
|
|
// UnmarshalBinary reconstitutes a Time saved as a byte array conforming to RFC1123 date-time
|
|
// (i.e., Mon, 02 Jan 2006 15:04:05 MST).
|
|
func (t *TimeRFC1123) UnmarshalBinary(data []byte) error {
|
|
return t.UnmarshalText(data)
|
|
}
|
|
|
|
// ToTime returns a Time as a time.Time
|
|
func (t TimeRFC1123) ToTime() time.Time {
|
|
return t.Time
|
|
}
|
|
|
|
// String returns the Time formatted as an RFC1123 date-time string (i.e.,
|
|
// Mon, 02 Jan 2006 15:04:05 MST).
|
|
func (t TimeRFC1123) String() string {
|
|
// Note: time.Time.String does not return an RFC1123 compliant string, time.Time.MarshalText does.
|
|
b, err := t.MarshalText()
|
|
if err != nil {
|
|
return ""
|
|
}
|
|
return string(b)
|
|
}
|