path: root/vendor/github.com/Azure/go-autorest/autorest/date/time.go

package date

import (
    "regexp"
    "time"
)

// Azure reports time in UTC but it doesn't include the 'Z' time zone suffix in some cases.
const (
    azureUtcFormatJSON = `"2006-01-02T15:04:05.999999999"`
    azureUtcFormat     = "2006-01-02T15:04:05.999999999"
    rfc3339JSON        = `"` + time.RFC3339Nano + `"`
    rfc3339            = time.RFC3339Nano
    tzOffsetRegex      = `(Z|z|\+|-)(\d+:\d+)*"*$`
)

// Time defines a type similar to time.Time but assumes a layout of RFC3339 date-time (i.e.,
// 2006-01-02T15:04:05Z).
type Time struct {
    time.Time
}

// MarshalBinary preserves the Time as a byte array conforming to RFC3339 date-time (i.e.,
// 2006-01-02T15:04:05Z).
func (t Time) MarshalBinary() ([]byte, error) {
    return t.Time.MarshalText()
}

// UnmarshalBinary reconstitutes a Time saved as a byte array conforming to RFC3339 date-time
// (i.e., 2006-01-02T15:04:05Z).
func (t *Time) UnmarshalBinary(data []byte) error {
    return t.UnmarshalText(data)
}

// MarshalJSON preserves the Time as a JSON string conforming to RFC3339 date-time (i.e.,
// 2006-01-02T15:04:05Z).
func (t Time) MarshalJSON() (json []byte, err error) {
    return t.Time.MarshalJSON()
}

// UnmarshalJSON reconstitutes the Time from a JSON string conforming to RFC3339 date-time
// (i.e., 2006-01-02T15:04:05Z).
func (t *Time) UnmarshalJSON(data []byte) (err error) {
    timeFormat := azureUtcFormatJSON
    match, err := regexp.Match(tzOffsetRegex, data)
    if err != nil {
        return err
    } else if match {
        timeFormat = rfc3339JSON
    }
    t.Time, err = ParseTime(timeFormat, string(data))
    return err
}

// MarshalText preserves the Time as a byte array conforming to RFC3339 date-time (i.e.,
// 2006-01-02T15:04:05Z).
func (t Time) MarshalText() (text []byte, err error) {
    return t.Time.MarshalText()
}

// UnmarshalText reconstitutes a Time saved as a byte array conforming to RFC3339 date-time
// (i.e., 2006-01-02T15:04:05Z).
func (t *Time) UnmarshalText(data []byte) (err error) {
    timeFormat := azureUtcFormat
    match, err := regexp.Match(tzOffsetRegex, data)
    if err != nil {
        return err
    } else if match {
        timeFormat = rfc3339
    }
    t.Time, err = ParseTime(timeFormat, string(data))
    return err
}

// String returns the Time formatted as an RFC3339 date-time string (i.e.,
// 2006-01-02T15:04:05Z).
func (t Time) String() string {
    // Note: time.Time.String does not return an RFC3339 compliant string, time.Time.MarshalText does.
    b, err := t.MarshalText()
    if err != nil {
        return ""
    }
    return string(b)
}

// ToTime returns a Time as a time.Time
func (t Time) ToTime() time.Time {
    return t.Time
}