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// Copyright 2016 TiKV Project Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package typeutil
import (
"fmt"
"strconv"
"time"
"github.com/pingcap/errors"
)
// Duration is a wrapper of time.Duration for TOML and JSON.
type Duration struct {
time.Duration
}
// NewDuration creates a Duration from time.Duration.
func NewDuration(duration time.Duration) Duration {
return Duration{Duration: duration}
}
// MarshalJSON returns the duration as a JSON string.
func (d *Duration) MarshalJSON() ([]byte, error) {
return fmt.Appendf(nil, `"%s"`, d.String()), nil
}
// UnmarshalJSON parses a JSON string into the duration.
func (d *Duration) UnmarshalJSON(text []byte) error {
s, err := strconv.Unquote(string(text))
if err != nil {
return errors.WithStack(err)
}
duration, err := time.ParseDuration(s)
if err != nil {
return errors.WithStack(err)
}
d.Duration = duration
return nil
}
// UnmarshalText parses a TOML string into the duration.
func (d *Duration) UnmarshalText(text []byte) error {
var err error
d.Duration, err = time.ParseDuration(string(text))
return errors.WithStack(err)
}
// MarshalText returns the duration as a JSON string.
func (d Duration) MarshalText() ([]byte, error) {
return []byte(d.String()), nil
}
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