50 lines
1.3 KiB
Go
50 lines
1.3 KiB
Go
/*
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Copyright 2014 The Kubernetes 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 v1
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import (
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"encoding/json"
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"time"
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)
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// Duration is a wrapper around time.Duration which supports correct
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// marshaling to YAML and JSON. In particular, it marshals into strings, which
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// can be used as map keys in json.
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type Duration struct {
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time.Duration `protobuf:"varint,1,opt,name=duration,casttype=time.Duration"`
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}
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// UnmarshalJSON implements the json.Unmarshaller interface.
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func (d *Duration) UnmarshalJSON(b []byte) error {
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var str string
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err := json.Unmarshal(b, &str)
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if err != nil {
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return err
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}
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pd, err := time.ParseDuration(str)
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if err != nil {
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return err
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}
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d.Duration = pd
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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 (d Duration) MarshalJSON() ([]byte, error) {
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return json.Marshal(d.Duration.String())
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}
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