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// Copyright 2023 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package osv
import (
// Time is a wrapper for time.Time that marshals and unmarshals
// RFC3339 formatted UTC strings.
type Time struct {
// MarshalJSON encodes the time as
// an RFC3339-formatted string in UTC (ending in "Z"),
// as required by the OSV specification.
func (t Time) MarshalJSON() ([]byte, error) {
return json.Marshal(t.UTC().Format(time.RFC3339))
// UnmarshalJSON decodes an RFC3339-formatted string
// into a Time struct. It errors if data
// is not a valid RFC3339-formatted string.
func (t *Time) UnmarshalJSON(data []byte) error {
var s string
if err := json.Unmarshal(data, &s); err != nil {
return err
time, err := time.Parse(time.RFC3339, s)
if err != nil {
return err
t.Time = time.UTC()
return nil