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92 lines
3.1 KiB
92 lines
3.1 KiB
/*
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Copyright The Helm Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// Package time contains a wrapper for time.Time in the standard library and
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// associated methods. This package mainly exists to workaround an issue in Go
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// where the serializer doesn't omit an empty value for time:
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// https://github.com/golang/go/issues/11939. As such, this can be removed if a
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// proposal is ever accepted for Go
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package time
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import (
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"bytes"
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"time"
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)
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// emptyString contains an empty JSON string value to be used as output
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var emptyString = `""`
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// Time is a convenience wrapper around stdlib time, but with different
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// marshalling and unmarshaling for zero values
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type Time struct {
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time.Time
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}
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// Now returns the current time. It is a convenience wrapper around time.Now()
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func Now() Time {
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return Time{time.Now()}
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}
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func (t Time) MarshalJSON() ([]byte, error) {
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if t.Time.IsZero() {
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return []byte(emptyString), nil
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}
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return t.Time.MarshalJSON()
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}
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func (t *Time) UnmarshalJSON(b []byte) error {
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if bytes.Equal(b, []byte("null")) {
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return nil
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}
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// If it is empty, we don't have to set anything since time.Time is not a
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// pointer and will be set to the zero value
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if bytes.Equal([]byte(emptyString), b) {
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return nil
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}
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return t.Time.UnmarshalJSON(b)
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}
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func Parse(layout, value string) (Time, error) {
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t, err := time.Parse(layout, value)
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return Time{Time: t}, err
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}
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func ParseInLocation(layout, value string, loc *time.Location) (Time, error) {
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t, err := time.ParseInLocation(layout, value, loc)
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return Time{Time: t}, err
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}
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func Date(year int, month time.Month, day, hour, min, sec, nsec int, loc *time.Location) Time {
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return Time{Time: time.Date(year, month, day, hour, min, sec, nsec, loc)}
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}
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func Unix(sec int64, nsec int64) Time { return Time{Time: time.Unix(sec, nsec)} }
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func (t Time) Add(d time.Duration) Time { return Time{Time: t.Time.Add(d)} }
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func (t Time) AddDate(years int, months int, days int) Time {
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return Time{Time: t.Time.AddDate(years, months, days)}
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}
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func (t Time) After(u Time) bool { return t.Time.After(u.Time) }
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func (t Time) Before(u Time) bool { return t.Time.Before(u.Time) }
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func (t Time) Equal(u Time) bool { return t.Time.Equal(u.Time) }
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func (t Time) In(loc *time.Location) Time { return Time{Time: t.Time.In(loc)} }
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func (t Time) Local() Time { return Time{Time: t.Time.Local()} }
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func (t Time) Round(d time.Duration) Time { return Time{Time: t.Time.Round(d)} }
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func (t Time) Sub(u Time) time.Duration { return t.Time.Sub(u.Time) }
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func (t Time) Truncate(d time.Duration) Time { return Time{Time: t.Time.Truncate(d)} }
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func (t Time) UTC() Time { return Time{Time: t.Time.UTC()} }
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