1 /*
2 * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25 package java.time.format;
26
27 import java.util.HashMap;
28 import java.util.Locale;
29 import java.util.Map;
30
31 /**
32 * A helper class to map a zone name to metazone and back to the
33 * appropriate zone id for the particular locale.
34 * <p>
35 * The zid<->metazone mappings are based on CLDR metaZones.xml.
36 * The alias mappings are based on Link entries in tzdb data files and
37 * CLDR's supplementalMetadata.xml.
38 */
39 class ZoneName {
40
41 public static String toZid(String zid, Locale locale) {
42 String mzone = zidToMzone.get(zid);
43 if (mzone == null && aliases.containsKey(zid)) {
44 zid = aliases.get(zid);
45 mzone = zidToMzone.get(zid);
46 }
47 if (mzone != null) {
48 Map<String, String> map = mzoneToZidL.get(mzone);
49 if (map != null && map.containsKey(locale.getCountry())) {
50 zid = map.get(locale.getCountry());
51 } else {
52 zid = mzoneToZid.get(mzone);
53 }
54 }
55 return toZid(zid);
56 }
57
58 public static String toZid(String zid) {
59 if (aliases.containsKey(zid)) {
60 return aliases.get(zid);
61 }
62 return zid;
63 }
64
65 private static final String[] zidMap = new String[] {
66 // From metaZones.xml
67 %%%%ZIDMAP%%%%
68
69 // From tzdb
70 "Africa/Khartoum", "Africa_Central", "Africa/Maputo", // tzdata2017c
71 "Africa/Windhoek", "Africa_Central", "Africa/Maputo", // tzdata2017c
72 "Africa/Sao_Tome", "Africa_Western", "Africa/Lagos", // tzdata2018c
73 };
74 private static final String[] mzoneMap = new String[] {
75 // From metaZones.xml
76 %%%%MZONEMAP%%%%
77
78 // From tzdb
79 "Africa_Western", "ST", "Africa/Sao_Tome", // tzdata2018c
80 };
81 private static final String[] aliasMap = new String[] {
82 // From supplementalMetadata.xml
83 %%%%DEPRECATED%%%%
84
85 // From tzdb
86 "Brazil/Acre", "America/Rio_Branco",
87 "US/Indiana-Starke", "America/Indiana/Knox",
88 "America/Atka", "America/Adak",
89 "America/St_Barthelemy", "America/Guadeloupe",
90 "Australia/North", "Australia/Darwin",
91 "Europe/Zagreb", "Europe/Belgrade",
92 "Etc/Universal", "Etc/UTC",
93 "NZ-CHAT", "Pacific/Chatham",
94 "Asia/Macao", "Asia/Macau",
95 "Pacific/Yap", "Pacific/Chuuk",
96 "Egypt", "Africa/Cairo",
97 "US/Central", "America/Chicago",
98 "Canada/Atlantic", "America/Halifax",
99 "Brazil/East", "America/Sao_Paulo",
100 "America/Cordoba", "America/Argentina/Cordoba",
101 "US/Hawaii", "Pacific/Honolulu",
102 "America/Louisville", "America/Kentucky/Louisville",
103 "America/Shiprock", "America/Denver",
104 "Australia/Canberra", "Australia/Sydney",
105 "Asia/Chungking", "Asia/Chongqing",
106 "Universal", "Etc/UTC",
107 "US/Alaska", "America/Anchorage",
108 "Asia/Ujung_Pandang", "Asia/Makassar",
109 "Japan", "Asia/Tokyo",
110 "Atlantic/Faeroe", "Atlantic/Faroe",
111 "Asia/Istanbul", "Europe/Istanbul",
112 "US/Pacific", "America/Los_Angeles",
113 "Mexico/General", "America/Mexico_City",
114 "Poland", "Europe/Warsaw",
115 "Africa/Asmera", "Africa/Asmara",
116 "Asia/Saigon", "Asia/Ho_Chi_Minh",
117 "US/Michigan", "America/Detroit",
118 "America/Argentina/ComodRivadavia", "America/Argentina/Catamarca",
119 "W-SU", "Europe/Moscow",
120 "Australia/ACT", "Australia/Sydney",
121 "Asia/Calcutta", "Asia/Kolkata",
122 "Arctic/Longyearbyen", "Europe/Oslo",
123 "America/Knox_IN", "America/Indiana/Knox",
124 "ROC", "Asia/Taipei",
125 "Zulu", "Etc/UTC",
126 "Australia/Yancowinna", "Australia/Broken_Hill",
127 "Australia/West", "Australia/Perth",
128 "Singapore", "Asia/Singapore",
129 "Europe/Mariehamn", "Europe/Helsinki",
130 "ROK", "Asia/Seoul",
131 "America/Porto_Acre", "America/Rio_Branco",
132 "Etc/Zulu", "Etc/UTC",
133 "Canada/Yukon", "America/Whitehorse",
134 "Europe/Vatican", "Europe/Rome",
135 "Africa/Timbuktu", "Africa/Bamako",
136 "America/Buenos_Aires", "America/Argentina/Buenos_Aires",
137 "Canada/Pacific", "America/Vancouver",
138 "US/Pacific-New", "America/Los_Angeles",
139 "Mexico/BajaNorte", "America/Tijuana",
140 "Europe/Guernsey", "Europe/London",
141 "Asia/Tel_Aviv", "Asia/Jerusalem",
142 "Chile/Continental", "America/Santiago",
143 "Jamaica", "America/Jamaica",
144 "Mexico/BajaSur", "America/Mazatlan",
145 "Canada/Eastern", "America/Toronto",
146 "Australia/Tasmania", "Australia/Hobart",
147 "NZ", "Pacific/Auckland",
148 "America/Lower_Princes", "America/Curacao",
149 "GMT-", "Etc/GMT",
150 "America/Rosario", "America/Argentina/Cordoba",
151 "Libya", "Africa/Tripoli",
152 "Asia/Ashkhabad", "Asia/Ashgabat",
153 "Australia/NSW", "Australia/Sydney",
154 "America/Marigot", "America/Guadeloupe",
155 "Europe/Bratislava", "Europe/Prague",
156 "Portugal", "Europe/Lisbon",
157 "Etc/GMT-", "Etc/GMT",
158 "Europe/San_Marino", "Europe/Rome",
159 "Europe/Sarajevo", "Europe/Belgrade",
160 "Antarctica/South_Pole", "Antarctica/McMurdo",
161 "Canada/Central", "America/Winnipeg",
162 "Etc/GMT", "Etc/GMT",
163 "Europe/Isle_of_Man", "Europe/London",
164 "America/Fort_Wayne", "America/Indiana/Indianapolis",
165 "Eire", "Europe/Dublin",
166 "America/Coral_Harbour", "America/Atikokan",
167 "Europe/Nicosia", "Asia/Nicosia",
168 "US/Samoa", "Pacific/Pago_Pago",
169 "Hongkong", "Asia/Hong_Kong",
170 "Canada/Saskatchewan", "America/Regina",
171 "Asia/Thimbu", "Asia/Thimphu",
172 "Kwajalein", "Pacific/Kwajalein",
173 "GB", "Europe/London",
174 "Chile/EasterIsland", "Pacific/Easter",
175 "US/East-Indiana", "America/Indiana/Indianapolis",
176 "Australia/LHI", "Australia/Lord_Howe",
177 "Cuba", "America/Havana",
178 "America/Jujuy", "America/Argentina/Jujuy",
179 "US/Mountain", "America/Denver",
180 "Atlantic/Jan_Mayen", "Europe/Oslo",
181 "Europe/Tiraspol", "Europe/Chisinau",
182 "Europe/Podgorica", "Europe/Belgrade",
183 "US/Arizona", "America/Phoenix",
184 "Navajo", "America/Denver",
185 "Etc/Greenwich", "Etc/GMT",
186 "Canada/Mountain", "America/Edmonton",
187 "Iceland", "Atlantic/Reykjavik",
188 "Australia/Victoria", "Australia/Melbourne",
189 "Australia/South", "Australia/Adelaide",
190 "Brazil/West", "America/Manaus",
191 "Pacific/Ponape", "Pacific/Pohnpei",
192 "Europe/Ljubljana", "Europe/Belgrade",
193 "Europe/Jersey", "Europe/London",
194 "Australia/Queensland", "Australia/Brisbane",
195 "UTC", "Etc/UTC",
196 "Canada/Newfoundland", "America/St_Johns",
197 "Europe/Skopje", "Europe/Belgrade",
198 "PRC", "Asia/Shanghai",
199 "UCT", "Etc/UCT",
200 "America/Mendoza", "America/Argentina/Mendoza",
201 "Israel", "Asia/Jerusalem",
202 "US/Eastern", "America/New_York",
203 "Asia/Ulan_Bator", "Asia/Ulaanbaatar",
204 "Turkey", "Europe/Istanbul",
205 "GMT", "Etc/GMT",
206 "US/Aleutian", "America/Adak",
207 "Brazil/DeNoronha", "America/Noronha",
208 "GB-Eire", "Europe/London",
209 "Asia/Dacca", "Asia/Dhaka",
210 "America/Ensenada", "America/Tijuana",
211 "America/Catamarca", "America/Argentina/Catamarca",
212 "Iran", "Asia/Tehran",
213 "Greenwich", "Etc/GMT",
214 "Pacific/Truk", "Pacific/Chuuk",
215 "Pacific/Samoa", "Pacific/Pago_Pago",
216 "America/Virgin", "America/St_Thomas",
217 "Asia/Katmandu", "Asia/Kathmandu",
218 "America/Indianapolis", "America/Indiana/Indianapolis",
219 "Europe/Belfast", "Europe/London",
220 "America/Kralendijk", "America/Curacao",
221 "Asia/Rangoon", "Asia/Yangon",
222 };
223
224 private static final Map<String, String> zidToMzone = new HashMap<>();
225 private static final Map<String, String> mzoneToZid = new HashMap<>();
226 private static final Map<String, Map<String, String>> mzoneToZidL = new HashMap<>();
227 private static final Map<String, String> aliases = new HashMap<>();
228
229 static {
230 for (int i = 0; i < zidMap.length; i += 3) {
231 zidToMzone.put(zidMap[i], zidMap[i + 1]);
232 mzoneToZid.put(zidMap[i + 1], zidMap[i + 2]);
233 }
234
235 for (int i = 0; i < mzoneMap.length; i += 3) {
236 String mzone = mzoneMap[i];
237 Map<String, String> map = mzoneToZidL.get(mzone);
238 if (map == null) {
239 map = new HashMap<>();
240 mzoneToZidL.put(mzone, map);
241 }
242 map.put(mzoneMap[i + 1], mzoneMap[i + 2]);
243 }
244
245 for (int i = 0; i < aliasMap.length; i += 2) {
246 aliases.put(aliasMap[i], aliasMap[i + 1]);
247 }
248 }
249 }