37 lines
805 B
Go
37 lines
805 B
Go
package conf
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import (
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"encoding/json"
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"time"
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)
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// StringDuration is a duration that is unmarshaled from a string.
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// Durations are normally unmarshaled from numbers.
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type StringDuration time.Duration
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// MarshalJSON implements json.Marshaler.
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func (d StringDuration) MarshalJSON() ([]byte, error) {
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return json.Marshal(time.Duration(d).String())
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}
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// UnmarshalJSON implements json.Unmarshaler.
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func (d *StringDuration) UnmarshalJSON(b []byte) error {
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var in string
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if err := json.Unmarshal(b, &in); err != nil {
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return err
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}
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du, err := time.ParseDuration(in)
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if err != nil {
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return err
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}
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*d = StringDuration(du)
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return nil
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}
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// UnmarshalEnv implements env.Unmarshaler.
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func (d *StringDuration) UnmarshalEnv(_ string, v string) error {
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return d.UnmarshalJSON([]byte(`"` + v + `"`))
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}
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