1 /* GENERATED SOURCE. DO NOT MODIFY. */ 2 // © 2016 and later: Unicode, Inc. and others. 3 // License & terms of use: http://www.unicode.org/copyright.html#License 4 /* 5 ******************************************************************************* 6 * Copyright (C) 2012-2014, International Business Machines Corporation and * 7 * others. All Rights Reserved. * 8 ******************************************************************************* 9 */ 10 package ohos.global.icu.util; 11 12 import java.util.Date; 13 14 import ohos.global.icu.util.ULocale.Category; 15 16 /** 17 * <code>DangiCalendar</code> is a concrete subclass of {@link Calendar} 18 * that implements a traditional Korean calendar. 19 * 20 * @deprecated This API is ICU internal only. 21 * @hide exposed on OHOS 22 * @hide draft / provisional / internal are hidden on OHOS 23 */ 24 @Deprecated 25 public class DangiCalendar extends ChineseCalendar { 26 27 private static final long serialVersionUID = 8156297445349501985L; 28 29 /** 30 * The start year of the Korean traditional calendar (Dan-gi) is the inaugural 31 * year of Dan-gun (BC 2333). 32 */ 33 private static final int DANGI_EPOCH_YEAR = -2332; 34 35 /** 36 * The time zone used for performing astronomical computations for 37 * Dangi calendar. In Korea various timezones have been used historically 38 * (cf. http://www.math.snu.ac.kr/~kye/others/lunar.html): 39 * 40 * - 1908/04/01: GMT+8 41 * 1908/04/01 - 1911/12/31: GMT+8.5 42 * 1912/01/01 - 1954/03/20: GMT+9 43 * 1954/03/21 - 1961/08/09: GMT+8.5 44 * 1961/08/10 - : GMT+9 45 * 46 * Note that, in 1908-1911, the government did not apply the timezone change 47 * but used GMT+8. In addition, 1954-1961's timezone change does not affect 48 * the lunar date calculation. Therefore, the following simpler rule works: 49 * 50 * -1911: GMT+8 51 * 1912-: GMT+9 52 * 53 * Unfortunately, our astronomer's approximation doesn't agree with the 54 * references (http://www.math.snu.ac.kr/~kye/others/lunar.html and 55 * http://astro.kasi.re.kr/Life/ConvertSolarLunarForm.aspx?MenuID=115) 56 * in 1897/7/30. So the following ad hoc fix is used here: 57 * 58 * -1896: GMT+8 59 * 1897: GMT+7 60 * 1898-1911: GMT+8 61 * 1912- : GMT+9 62 */ 63 private static final TimeZone KOREA_ZONE; 64 65 static { 66 InitialTimeZoneRule initialTimeZone = new InitialTimeZoneRule("GMT+8", 8 * ONE_HOUR, 0); 67 long[] millis1897 = { (1897 - 1970) * 365L * ONE_DAY }; // some days of error is not a problem here 68 long[] millis1898 = { (1898 - 1970) * 365L * ONE_DAY }; // some days of error is not a problem here 69 long[] millis1912 = { (1912 - 1970) * 365L * ONE_DAY }; // this doesn't create an issue for 1911/12/20 70 TimeZoneRule rule1897 = new TimeArrayTimeZoneRule("Korean 1897", 7 * ONE_HOUR, 0, millis1897, 71 DateTimeRule.STANDARD_TIME); 72 TimeZoneRule rule1898to1911 = new TimeArrayTimeZoneRule("Korean 1898-1911", 8 * ONE_HOUR, 0, millis1898, 73 DateTimeRule.STANDARD_TIME); 74 TimeZoneRule ruleFrom1912 = new TimeArrayTimeZoneRule("Korean 1912-", 9 * ONE_HOUR, 0, millis1912, 75 DateTimeRule.STANDARD_TIME); 76 77 RuleBasedTimeZone tz = new RuleBasedTimeZone("KOREA_ZONE", initialTimeZone); 78 tz.addTransitionRule(rule1897); 79 tz.addTransitionRule(rule1898to1911); 80 tz.addTransitionRule(ruleFrom1912); tz.freeze()81 tz.freeze(); 82 KOREA_ZONE = tz; 83 }; 84 85 /** 86 * Construct a <code>DangiCalendar</code> with the default time zone and locale. 87 * 88 * @deprecated This API is ICU internal only. 89 * @hide draft / provisional / internal are hidden on OHOS 90 */ 91 @Deprecated DangiCalendar()92 public DangiCalendar() { 93 this(TimeZone.getDefault(), ULocale.getDefault(Category.FORMAT)); 94 } 95 96 /** 97 * Construct a <code>DangiCalendar</code> with the give date set in the default time zone 98 * with the default locale. 99 * @param date The date to which the new calendar is set. 100 * 101 * @deprecated This API is ICU internal only. 102 * @hide draft / provisional / internal are hidden on OHOS 103 */ 104 @Deprecated DangiCalendar(Date date)105 public DangiCalendar(Date date) { 106 this(TimeZone.getDefault(), ULocale.getDefault(Category.FORMAT)); 107 setTime(date); 108 } 109 110 /** 111 * Construct a <code>DangiCalendar</code> based on the current time 112 * with the given time zone with the given locale. 113 * @param zone the given time zone 114 * @param locale the given locale 115 * 116 * @deprecated This API is ICU internal only. 117 * @hide draft / provisional / internal are hidden on OHOS 118 */ 119 @Deprecated DangiCalendar(TimeZone zone, ULocale locale)120 public DangiCalendar(TimeZone zone, ULocale locale) { 121 super(zone, locale, DANGI_EPOCH_YEAR, KOREA_ZONE); 122 } 123 124 /** 125 * {@inheritDoc} 126 * 127 * @deprecated This API is ICU internal only. 128 * @hide draft / provisional / internal are hidden on OHOS 129 */ 130 @Deprecated getType()131 public String getType() { 132 return "dangi"; 133 } 134 } 135