139 lines
3.4 KiB
Go
139 lines
3.4 KiB
Go
/*
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Copyright 2014 The Kubernetes Authors All rights reserved.
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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 k8sapi
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import (
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"encoding/json"
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"time"
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)
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// Time is a wrapper around time.Time which supports correct
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// marshaling to YAML and JSON. Wrappers are provided for many
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// of the factory methods that the time package offers.
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//
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// +protobuf.options.marshal=false
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// +protobuf.as=Timestamp
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type Time struct {
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time.Time `protobuf:"-"`
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}
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// NewTime returns a wrapped instance of the provided time
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func NewTime(time time.Time) Time {
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return Time{time}
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}
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// Date returns the Time corresponding to the supplied parameters
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// by wrapping time.Date.
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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.Date(year, month, day, hour, min, sec, nsec, loc)}
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}
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// Now returns the current local time.
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func Now() Time {
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return Time{time.Now()}
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}
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// IsZero returns true if the value is nil or time is zero.
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func (t *Time) IsZero() bool {
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if t == nil {
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return true
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}
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return t.Time.IsZero()
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}
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// Before reports whether the time instant t is before u.
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func (t Time) Before(u Time) bool {
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return t.Time.Before(u.Time)
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}
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// Equal reports whether the time instant t is equal to u.
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func (t Time) Equal(u Time) bool {
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return t.Time.Equal(u.Time)
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}
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// Unix returns the local time corresponding to the given Unix time
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// by wrapping time.Unix.
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func Unix(sec int64, nsec int64) Time {
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return Time{time.Unix(sec, nsec)}
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}
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// Rfc3339Copy returns a copy of the Time at second-level precision.
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func (t Time) Rfc3339Copy() Time {
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copied, _ := time.Parse(time.RFC3339, t.Format(time.RFC3339))
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return Time{copied}
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}
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// UnmarshalJSON implements the json.Unmarshaller interface.
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func (t *Time) UnmarshalJSON(b []byte) error {
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if len(b) == 4 && string(b) == "null" {
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t.Time = time.Time{}
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return nil
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}
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var str string
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json.Unmarshal(b, &str)
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pt, err := time.Parse(time.RFC3339, str)
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if err != nil {
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return err
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}
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t.Time = pt.Local()
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return nil
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}
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// UnmarshalQueryParameter converts from a URL query parameter value to an object
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func (t *Time) UnmarshalQueryParameter(str string) error {
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if len(str) == 0 {
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t.Time = time.Time{}
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return nil
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}
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// Tolerate requests from older clients that used JSON serialization to build query params
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if len(str) == 4 && str == "null" {
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t.Time = time.Time{}
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return nil
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}
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pt, err := time.Parse(time.RFC3339, str)
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if err != nil {
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return err
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}
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t.Time = pt.Local()
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return nil
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}
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// MarshalJSON implements the json.Marshaler interface.
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func (t Time) MarshalJSON() ([]byte, error) {
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if t.IsZero() {
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// Encode unset/nil objects as JSON's "null".
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return []byte("null"), nil
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}
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return json.Marshal(t.UTC().Format(time.RFC3339))
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}
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// MarshalQueryParameter converts to a URL query parameter value
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func (t Time) MarshalQueryParameter() (string, error) {
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if t.IsZero() {
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// Encode unset/nil objects as an empty string
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return "", nil
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}
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return t.UTC().Format(time.RFC3339), nil
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}
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