1 /*
2 * Copyright (c) 2012, 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
207 // in CLDR adapter.
208 category = "AvailableLocales";
209
210 // Directly call Base tags, as we know it's in the base module.
211 String supportedLocaleString = baseMetaInfo.availableLanguageTags(category);
212 String nonBaseTags = null;
213
214 if (nonBaseMetaInfo != null) {
215 nonBaseTags = nonBaseMetaInfo.availableLanguageTags(category);
216 }
217 if (nonBaseTags != null) {
218 if (supportedLocaleString != null) {
219 supportedLocaleString += " " + nonBaseTags;
220 } else {
221 supportedLocaleString = nonBaseTags;
222 }
223 }
224 if (supportedLocaleString == null) {
225 return Collections.emptySet();
226 }
227 Set<String> tagset = new HashSet<>();
228 StringTokenizer tokens = new StringTokenizer(supportedLocaleString);
229 while (tokens.hasMoreTokens()) {
230 tagset.add(tokens.nextToken());
231 }
232 return tagset;
233 }
234
235 // Implementation of ResourceBundleBasedAdapter
236 @Override
237 public List<Locale> getCandidateLocales(String baseName, Locale locale) {
238 List<Locale> candidates = super.getCandidateLocales(baseName, applyAliases(locale));
239 return applyParentLocales(baseName, candidates);
240 }
241
242 private List<Locale> applyParentLocales(String baseName, List<Locale> candidates) {
243 // check irregular parents
244 for (int i = 0; i < candidates.size(); i++) {
245 Locale l = candidates.get(i);
246 if (!l.equals(Locale.ROOT)) {
247 Locale p = getParentLocale(l);
248 if (p != null &&
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1 /*
2 * Copyright (c) 2012, 2020, 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
207 // in CLDR adapter.
208 category = "AvailableLocales";
209
210 // Directly call Base tags, as we know it's in the base module.
211 String supportedLocaleString = baseMetaInfo.availableLanguageTags(category);
212 String nonBaseTags = null;
213
214 if (nonBaseMetaInfo != null) {
215 nonBaseTags = nonBaseMetaInfo.availableLanguageTags(category);
216 }
217 if (nonBaseTags != null) {
218 if (supportedLocaleString != null) {
219 supportedLocaleString += " " + nonBaseTags;
220 } else {
221 supportedLocaleString = nonBaseTags;
222 }
223 }
224 if (supportedLocaleString == null) {
225 return Collections.emptySet();
226 }
227 StringTokenizer tokens = new StringTokenizer(supportedLocaleString);
228 Set<String> tagset = new HashSet<>(Math.max((int)(tokens.countTokens() / 0.75f) + 1, 16));
229 while (tokens.hasMoreTokens()) {
230 tagset.add(tokens.nextToken());
231 }
232 return tagset;
233 }
234
235 // Implementation of ResourceBundleBasedAdapter
236 @Override
237 public List<Locale> getCandidateLocales(String baseName, Locale locale) {
238 List<Locale> candidates = super.getCandidateLocales(baseName, applyAliases(locale));
239 return applyParentLocales(baseName, candidates);
240 }
241
242 private List<Locale> applyParentLocales(String baseName, List<Locale> candidates) {
243 // check irregular parents
244 for (int i = 0; i < candidates.size(); i++) {
245 Locale l = candidates.get(i);
246 if (!l.equals(Locale.ROOT)) {
247 Locale p = getParentLocale(l);
248 if (p != null &&
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