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Objective-C NSDate Utils.
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// | |
// NSDate+Utils.h | |
// | |
// Copyright (c) 2015 Yuta Takahashi | |
// | |
// Permission is hereby granted, free of charge, to any person obtaining a copy | |
// of this software and associated documentation files (the "Software"), to deal | |
// in the Software without restriction, including without limitation the rights | |
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
// copies of the Software, and to permit persons to whom the Software is | |
// furnished to do so, subject to the following conditions: | |
// | |
// The above copyright notice and this permission notice shall be included in | |
// all copies or substantial portions of the Software. | |
// | |
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
// THE SOFTWARE. | |
// | |
#import <Foundation/Foundation.h> | |
@interface NSDate (Utils) | |
+ (NSDate *)ytg_localTime; | |
/** | |
* 基本形式ISO8601を文字列として返す | |
* | |
* @return ex)20150701T035640+0900 | |
*/ | |
+ (NSString *)ytg_basicISO8601String; | |
/** | |
* 拡張形式ISO8601を文字列として返す | |
* | |
* @return ex)2015-07-01T03:56:40+09:00 | |
*/ | |
+ (NSString *)ytg_extendedISO8601String; | |
/** | |
* 基本形式ISO8601をNSDate(GMT)に変換する | |
* | |
* @param dateString ex)20150701T035640+0900 | |
* | |
* @return ex)2015-06-30 18:56:40 +0000 | |
*/ | |
+ (NSDate *)ytg_basicISO8601:(NSString *)dateString; | |
/** | |
* 拡張形式ISO8601をNSDate(GMT)に変換する | |
* | |
* @param dateString ex)2015-07-01T03:56:40+09:00 | |
* | |
* @return ex)2015-06-30 18:56:40 +0000 | |
*/ | |
+ (NSDate *)ytg_extendedISO8601:(NSString *)dateString; | |
@end |
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// | |
// NSDate+Utils.m | |
// | |
#import "NSDate+Utils.h" | |
@implementation NSDate (Utils) | |
+ (NSDate *)ytg_localTime { | |
NSDate *date = [NSDate date]; | |
NSTimeZone *timeZone = [NSTimeZone localTimeZone]; | |
NSInteger seconds = [timeZone secondsFromGMTForDate:date]; | |
return [NSDate dateWithTimeInterval:seconds sinceDate:date]; | |
} | |
+ (NSString *)ytg_basicISO8601String { | |
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init]; | |
NSLocale *locale = [NSLocale localeWithLocaleIdentifier:@"en_US_POSIX"]; | |
[dateFormatter setLocale:locale]; | |
[dateFormatter setDateFormat:@"yyyyMMdd'T'HHmmssZ"]; | |
return [dateFormatter stringFromDate:[NSDate date]]; | |
} | |
+ (NSString *)ytg_extendedISO8601String { | |
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init]; | |
NSLocale *locale = [NSLocale localeWithLocaleIdentifier:@"en_US_POSIX"]; | |
[dateFormatter setLocale:locale]; | |
[dateFormatter setDateFormat:@"yyyy-MM-dd'T'HH:mm:ssZZZZZ"]; | |
return [dateFormatter stringFromDate:[NSDate date]]; | |
} | |
+ (NSDate *)ytg_basicISO8601:(NSString *)dateString { | |
NSDateFormatter *formatter = [[NSDateFormatter alloc] init]; | |
[formatter setDateFormat:@"yyyyMMdd'T'HHmmssZ"]; | |
NSLocale *locale = [[NSLocale alloc] initWithLocaleIdentifier:@"en_US_POSIX"]; | |
[formatter setLocale:locale]; | |
return [formatter dateFromString:dateString]; | |
} | |
+ (NSDate *)ytg_extendedISO8601:(NSString *)dateString { | |
NSDateFormatter *formatter = [[NSDateFormatter alloc] init]; | |
[formatter setDateFormat:@"yyyy-MM-dd'T'HH:mm:ssZZZZZ"]; | |
NSLocale *locale = [[NSLocale alloc] initWithLocaleIdentifier:@"en_US_POSIX"]; | |
[formatter setLocale:locale]; | |
return [formatter dateFromString:dateString]; | |
} | |
@end |
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