43 lines
1.0 KiB
Go
43 lines
1.0 KiB
Go
package mtime
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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 wraps time.Duration to implement marshaling and unmarshaling methods
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type Duration struct {
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time.Duration
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}
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// MarshalText implements the text.Marshaler interface
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func (d Duration) MarshalText() ([]byte, error) {
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return []byte(d.Duration.String()), nil
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}
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// UnmarshalText implements the text.Unmarshaler interface
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func (d *Duration) UnmarshalText(b []byte) error {
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var err error
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d.Duration, err = time.ParseDuration(string(b))
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return err
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}
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// MarshalJSON implements the json.Marshaler interface, marshaling the Duration
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// as a json string via Duration's String method
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func (d Duration) MarshalJSON() ([]byte, error) {
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return json.Marshal(d.String())
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}
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// UnmarshalJSON implements the json.Unmarshaler interface, unmarshaling the
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// Duration as a JSON string and using the time.ParseDuration function on that
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func (d *Duration) UnmarshalJSON(b []byte) error {
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var s string
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err := json.Unmarshal(b, &s)
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if err != nil {
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return err
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}
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d.Duration, err = time.ParseDuration(s)
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return err
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}
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