/*
* Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package java.time.format;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
/**
* A helper class to map a zone name to metazone and back to the
* appropriate zone id for the particular locale.
*
* The zid<->metazone mappings are based on CLDR metaZones.xml.
* The alias mappings are based on Link entries in tzdb data files and
* CLDR's supplementalMetadata.xml.
*/
class ZoneName {
public static String toZid(String zid, Locale locale) {
String mzone = zidToMzone.get(zid);
if (mzone == null && aliases.containsKey(zid)) {
zid = aliases.get(zid);
mzone = zidToMzone.get(zid);
}
if (mzone != null) {
Map map = mzoneToZidL.get(mzone);
if (map != null && map.containsKey(locale.getCountry())) {
zid = map.get(locale.getCountry());
} else {
zid = mzoneToZid.get(mzone);
}
}
return toZid(zid);
}
public static String toZid(String zid) {
if (aliases.containsKey(zid)) {
return aliases.get(zid);
}
return zid;
}
private static final String[] zidMap = new String[] {
// From metaZones.xml
%%%%ZIDMAP%%%%
// From tzdb
"Africa/Khartoum", "Africa_Central", "Africa/Maputo", // tzdata2017c
"Africa/Windhoek", "Africa_Central", "Africa/Maputo", // tzdata2017c
"Africa/Sao_Tome", "Africa_Western", "Africa/Lagos", // tzdata2018c
};
private static final String[] mzoneMap = new String[] {
// From metaZones.xml
%%%%MZONEMAP%%%%
// From tzdb
"Africa_Western", "ST", "Africa/Sao_Tome", // tzdata2018c
};
private static final String[] aliasMap = new String[] {
// From supplementalMetadata.xml
%%%%DEPRECATED%%%%
// From tzdb
"Brazil/Acre", "America/Rio_Branco",
"US/Indiana-Starke", "America/Indiana/Knox",
"America/Atka", "America/Adak",
"America/St_Barthelemy", "America/Guadeloupe",
"Australia/North", "Australia/Darwin",
"Europe/Zagreb", "Europe/Belgrade",
"Etc/Universal", "Etc/UTC",
"NZ-CHAT", "Pacific/Chatham",
"Asia/Macao", "Asia/Macau",
"Pacific/Yap", "Pacific/Chuuk",
"Egypt", "Africa/Cairo",
"US/Central", "America/Chicago",
"Canada/Atlantic", "America/Halifax",
"Brazil/East", "America/Sao_Paulo",
"America/Cordoba", "America/Argentina/Cordoba",
"US/Hawaii", "Pacific/Honolulu",
"America/Louisville", "America/Kentucky/Louisville",
"America/Shiprock", "America/Denver",
"Australia/Canberra", "Australia/Sydney",
"Asia/Chungking", "Asia/Chongqing",
"Universal", "Etc/UTC",
"US/Alaska", "America/Anchorage",
"Asia/Ujung_Pandang", "Asia/Makassar",
"Japan", "Asia/Tokyo",
"Atlantic/Faeroe", "Atlantic/Faroe",
"Asia/Istanbul", "Europe/Istanbul",
"US/Pacific", "America/Los_Angeles",
"Mexico/General", "America/Mexico_City",
"Poland", "Europe/Warsaw",
"Africa/Asmera", "Africa/Asmara",
"Asia/Saigon", "Asia/Ho_Chi_Minh",
"US/Michigan", "America/Detroit",
"America/Argentina/ComodRivadavia", "America/Argentina/Catamarca",
"W-SU", "Europe/Moscow",
"Australia/ACT", "Australia/Sydney",
"Asia/Calcutta", "Asia/Kolkata",
"Arctic/Longyearbyen", "Europe/Oslo",
"America/Knox_IN", "America/Indiana/Knox",
"ROC", "Asia/Taipei",
"Zulu", "Etc/UTC",
"Australia/Yancowinna", "Australia/Broken_Hill",
"Australia/West", "Australia/Perth",
"Singapore", "Asia/Singapore",
"Europe/Mariehamn", "Europe/Helsinki",
"ROK", "Asia/Seoul",
"America/Porto_Acre", "America/Rio_Branco",
"Etc/Zulu", "Etc/UTC",
"Canada/Yukon", "America/Whitehorse",
"Europe/Vatican", "Europe/Rome",
"Africa/Timbuktu", "Africa/Bamako",
"America/Buenos_Aires", "America/Argentina/Buenos_Aires",
"Canada/Pacific", "America/Vancouver",
"US/Pacific-New", "America/Los_Angeles",
"Mexico/BajaNorte", "America/Tijuana",
"Europe/Guernsey", "Europe/London",
"Asia/Tel_Aviv", "Asia/Jerusalem",
"Chile/Continental", "America/Santiago",
"Jamaica", "America/Jamaica",
"Mexico/BajaSur", "America/Mazatlan",
"Canada/Eastern", "America/Toronto",
"Australia/Tasmania", "Australia/Hobart",
"NZ", "Pacific/Auckland",
"America/Lower_Princes", "America/Curacao",
"GMT-", "Etc/GMT",
"America/Rosario", "America/Argentina/Cordoba",
"Libya", "Africa/Tripoli",
"Asia/Ashkhabad", "Asia/Ashgabat",
"Australia/NSW", "Australia/Sydney",
"America/Marigot", "America/Guadeloupe",
"Europe/Bratislava", "Europe/Prague",
"Portugal", "Europe/Lisbon",
"Etc/GMT-", "Etc/GMT",
"Europe/San_Marino", "Europe/Rome",
"Europe/Sarajevo", "Europe/Belgrade",
"Antarctica/South_Pole", "Antarctica/McMurdo",
"Canada/Central", "America/Winnipeg",
"Etc/GMT", "Etc/GMT",
"Europe/Isle_of_Man", "Europe/London",
"America/Fort_Wayne", "America/Indiana/Indianapolis",
"Eire", "Europe/Dublin",
"America/Coral_Harbour", "America/Atikokan",
"Europe/Nicosia", "Asia/Nicosia",
"US/Samoa", "Pacific/Pago_Pago",
"Hongkong", "Asia/Hong_Kong",
"Canada/Saskatchewan", "America/Regina",
"Asia/Thimbu", "Asia/Thimphu",
"Kwajalein", "Pacific/Kwajalein",
"GB", "Europe/London",
"Chile/EasterIsland", "Pacific/Easter",
"US/East-Indiana", "America/Indiana/Indianapolis",
"Australia/LHI", "Australia/Lord_Howe",
"Cuba", "America/Havana",
"America/Jujuy", "America/Argentina/Jujuy",
"US/Mountain", "America/Denver",
"Atlantic/Jan_Mayen", "Europe/Oslo",
"Europe/Tiraspol", "Europe/Chisinau",
"Europe/Podgorica", "Europe/Belgrade",
"US/Arizona", "America/Phoenix",
"Navajo", "America/Denver",
"Etc/Greenwich", "Etc/GMT",
"Canada/Mountain", "America/Edmonton",
"Iceland", "Atlantic/Reykjavik",
"Australia/Victoria", "Australia/Melbourne",
"Australia/South", "Australia/Adelaide",
"Brazil/West", "America/Manaus",
"Pacific/Ponape", "Pacific/Pohnpei",
"Europe/Ljubljana", "Europe/Belgrade",
"Europe/Jersey", "Europe/London",
"Australia/Queensland", "Australia/Brisbane",
"UTC", "Etc/UTC",
"Canada/Newfoundland", "America/St_Johns",
"Europe/Skopje", "Europe/Belgrade",
"PRC", "Asia/Shanghai",
"UCT", "Etc/UCT",
"America/Mendoza", "America/Argentina/Mendoza",
"Israel", "Asia/Jerusalem",
"US/Eastern", "America/New_York",
"Asia/Ulan_Bator", "Asia/Ulaanbaatar",
"Turkey", "Europe/Istanbul",
"GMT", "Etc/GMT",
"US/Aleutian", "America/Adak",
"Brazil/DeNoronha", "America/Noronha",
"GB-Eire", "Europe/London",
"Asia/Dacca", "Asia/Dhaka",
"America/Ensenada", "America/Tijuana",
"America/Catamarca", "America/Argentina/Catamarca",
"Iran", "Asia/Tehran",
"Greenwich", "Etc/GMT",
"Pacific/Truk", "Pacific/Chuuk",
"Pacific/Samoa", "Pacific/Pago_Pago",
"America/Virgin", "America/St_Thomas",
"Asia/Katmandu", "Asia/Kathmandu",
"America/Indianapolis", "America/Indiana/Indianapolis",
"Europe/Belfast", "Europe/London",
"America/Kralendijk", "America/Curacao",
"Asia/Rangoon", "Asia/Yangon",
};
private static final Map zidToMzone = new HashMap<>();
private static final Map mzoneToZid = new HashMap<>();
private static final Map> mzoneToZidL = new HashMap<>();
private static final Map aliases = new HashMap<>();
static {
for (int i = 0; i < zidMap.length; i += 3) {
zidToMzone.put(zidMap[i], zidMap[i + 1]);
mzoneToZid.put(zidMap[i + 1], zidMap[i + 2]);
}
for (int i = 0; i < mzoneMap.length; i += 3) {
String mzone = mzoneMap[i];
Map map = mzoneToZidL.get(mzone);
if (map == null) {
map = new HashMap<>();
mzoneToZidL.put(mzone, map);
}
map.put(mzoneMap[i + 1], mzoneMap[i + 2]);
}
for (int i = 0; i < aliasMap.length; i += 2) {
aliases.put(aliasMap[i], aliasMap[i + 1]);
}
}
}