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package v4
import "time"
// SigningTime provides a wrapper around a time.Time which provides cached values for SigV4 signing.
type SigningTime struct {
time.Time
timeFormat string
shortTimeFormat string
}
// NewSigningTime creates a new SigningTime given a time.Time
func NewSigningTime(t time.Time) SigningTime {
return SigningTime{
Time: t,
}
}
// TimeFormat provides a time formatted in the X-Amz-Date format.
func (m *SigningTime) TimeFormat() string {
return m.format(&m.timeFormat, TimeFormat)
}
// ShortTimeFormat provides a time formatted of 20060102.
func (m *SigningTime) ShortTimeFormat() string {
return m.format(&m.shortTimeFormat, ShortTimeFormat)
}
func (m *SigningTime) format(target *string, format string) string {
if len(*target) > 0 {
return *target
}
v := m.Time.Format(format)
*target = v
return v
}
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