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// Copyright 2015 The appc Authors
//
// 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.
package types
import (
"encoding/json"
"fmt"
"time"
)
// Date wraps time.Time to marshal/unmarshal to/from JSON strings in strict
// accordance with RFC3339
// TODO(jonboulle): golang's implementation seems slightly buggy here;
// according to http://tools.ietf.org/html/rfc3339#section-5.6 , applications
// may choose to separate the date and time with a space instead of a T
// character (for example, `date --rfc-3339` on GNU coreutils) - but this is
// considered an error by go's parser. File a bug?
type Date time.Time
func NewDate(s string) (*Date, error) {
t, err := time.Parse(time.RFC3339, s)
if err != nil {
return nil, fmt.Errorf("bad Date: %v", err)
}
d := Date(t)
return &d, nil
}
func (d Date) String() string {
return time.Time(d).Format(time.RFC3339)
}
func (d *Date) UnmarshalJSON(data []byte) error {
var s string
if err := json.Unmarshal(data, &s); err != nil {
return err
}
nd, err := NewDate(s)
if err != nil {
return err
}
*d = *nd
return nil
}
func (d Date) MarshalJSON() ([]byte, error) {
return json.Marshal(d.String())
}
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