| package date |
| |
| // Copyright 2017 Microsoft Corporation |
| // |
| // 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. |
| |
| 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 |
| } |