| // Copyright 2009 The Closure Library Authors. All Rights Reserved. |
| // |
| // 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. |
| |
| /** |
| * @fileoverview Locale independent date/time class. |
| * |
| */ |
| |
| goog.provide('goog.date.UtcDateTime'); |
| |
| goog.require('goog.date'); |
| goog.require('goog.date.Date'); |
| goog.require('goog.date.DateTime'); |
| goog.require('goog.date.Interval'); |
| |
| |
| |
| /** |
| * Class representing a date/time in GMT+0 time zone, without daylight saving. |
| * Defaults to current date and time if none is specified. The get... and the |
| * getUTC... methods are equivalent. |
| * |
| * @param {number|goog.date.DateLike=} opt_year Four digit UTC year or a |
| * date-like object. If not set, the created object will contain the |
| * date determined by goog.now(). |
| * @param {number=} opt_month UTC month, 0 = Jan, 11 = Dec. |
| * @param {number=} opt_date UTC date of month, 1 - 31. |
| * @param {number=} opt_hours UTC hours, 0 - 23. |
| * @param {number=} opt_minutes UTC minutes, 0 - 59. |
| * @param {number=} opt_seconds UTC seconds, 0 - 59. |
| * @param {number=} opt_milliseconds UTC milliseconds, 0 - 999. |
| * @constructor |
| * @extends {goog.date.DateTime} |
| */ |
| goog.date.UtcDateTime = function(opt_year, opt_month, opt_date, opt_hours, |
| opt_minutes, opt_seconds, opt_milliseconds) { |
| var timestamp; |
| if (goog.isNumber(opt_year)) { |
| timestamp = Date.UTC(opt_year, opt_month || 0, opt_date || 1, |
| opt_hours || 0, opt_minutes || 0, opt_seconds || 0, |
| opt_milliseconds || 0); |
| } else { |
| timestamp = opt_year ? opt_year.getTime() : goog.now(); |
| } |
| this.date = new Date(timestamp); |
| }; |
| goog.inherits(goog.date.UtcDateTime, goog.date.DateTime); |
| |
| |
| /** |
| * @param {number} timestamp Number of milliseconds since Epoch. |
| * @return {!goog.date.UtcDateTime} |
| */ |
| goog.date.UtcDateTime.fromTimestamp = function(timestamp) { |
| var date = new goog.date.UtcDateTime(); |
| date.setTime(timestamp); |
| return date; |
| }; |
| |
| |
| /** |
| * Creates a DateTime from a UTC datetime string expressed in ISO 8601 format. |
| * |
| * @param {string} formatted A date or datetime expressed in ISO 8601 format. |
| * @return {goog.date.UtcDateTime} Parsed date or null if parse fails. |
| */ |
| goog.date.UtcDateTime.fromIsoString = function(formatted) { |
| var ret = new goog.date.UtcDateTime(2000); |
| return goog.date.setIso8601DateTime(ret, formatted) ? ret : null; |
| }; |
| |
| |
| /** |
| * Clones the UtcDateTime object. |
| * |
| * @return {!goog.date.UtcDateTime} A clone of the datetime object. |
| * @override |
| */ |
| goog.date.UtcDateTime.prototype.clone = function() { |
| var date = new goog.date.UtcDateTime(this.date); |
| date.setFirstDayOfWeek(this.getFirstDayOfWeek()); |
| date.setFirstWeekCutOffDay(this.getFirstWeekCutOffDay()); |
| return date; |
| }; |
| |
| |
| /** @override */ |
| goog.date.UtcDateTime.prototype.add = function(interval) { |
| if (interval.years || interval.months) { |
| var yearsMonths = new goog.date.Interval(interval.years, interval.months); |
| goog.date.Date.prototype.add.call(this, yearsMonths); |
| } |
| var daysAndTimeMillis = 1000 * ( |
| interval.seconds + 60 * ( |
| interval.minutes + 60 * ( |
| interval.hours + 24 * interval.days))); |
| this.date = new Date(this.date.getTime() + daysAndTimeMillis); |
| }; |
| |
| |
| /** @override */ |
| goog.date.UtcDateTime.prototype.getTimezoneOffset = function() { |
| return 0; |
| }; |
| |
| |
| /** @override */ |
| goog.date.UtcDateTime.prototype.getFullYear = |
| goog.date.DateTime.prototype.getUTCFullYear; |
| |
| |
| /** @override */ |
| goog.date.UtcDateTime.prototype.getMonth = |
| goog.date.DateTime.prototype.getUTCMonth; |
| |
| |
| /** @override */ |
| goog.date.UtcDateTime.prototype.getDate = |
| goog.date.DateTime.prototype.getUTCDate; |
| |
| |
| /** @override */ |
| goog.date.UtcDateTime.prototype.getHours = |
| goog.date.DateTime.prototype.getUTCHours; |
| |
| |
| /** @override */ |
| goog.date.UtcDateTime.prototype.getMinutes = |
| goog.date.DateTime.prototype.getUTCMinutes; |
| |
| |
| /** @override */ |
| goog.date.UtcDateTime.prototype.getSeconds = |
| goog.date.DateTime.prototype.getUTCSeconds; |
| |
| |
| /** @override */ |
| goog.date.UtcDateTime.prototype.getMilliseconds = |
| goog.date.DateTime.prototype.getUTCMilliseconds; |
| |
| |
| /** @override */ |
| goog.date.UtcDateTime.prototype.getDay = |
| goog.date.DateTime.prototype.getUTCDay; |
| |
| |
| /** @override */ |
| goog.date.UtcDateTime.prototype.setFullYear = |
| goog.date.DateTime.prototype.setUTCFullYear; |
| |
| |
| /** @override */ |
| goog.date.UtcDateTime.prototype.setMonth = |
| goog.date.DateTime.prototype.setUTCMonth; |
| |
| |
| /** @override */ |
| goog.date.UtcDateTime.prototype.setDate = |
| goog.date.DateTime.prototype.setUTCDate; |
| |
| |
| /** @override */ |
| goog.date.UtcDateTime.prototype.setHours = |
| goog.date.DateTime.prototype.setUTCHours; |
| |
| |
| /** @override */ |
| goog.date.UtcDateTime.prototype.setMinutes = |
| goog.date.DateTime.prototype.setUTCMinutes; |
| |
| |
| /** @override */ |
| goog.date.UtcDateTime.prototype.setSeconds = |
| goog.date.DateTime.prototype.setUTCSeconds; |
| |
| |
| /** @override */ |
| goog.date.UtcDateTime.prototype.setMilliseconds = |
| goog.date.DateTime.prototype.setUTCMilliseconds; |