1 /*
2 * Copyright (c) 2012, 2013, 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
26 package sun.util.locale.provider;
27
28 import java.util.Locale;
29 import java.util.Objects;
30 import java.util.Set;
31 import java.util.TimeZone;
32 import java.util.spi.TimeZoneNameProvider;
33
34 /**
35 * Concrete implementation of the
36 * {@link java.util.spi.TimeZoneNameProvider TimeZoneNameProvider} class
37 * for the JRE LocaleProviderAdapter.
38 *
39 * @author Naoto Sato
40 * @author Masayoshi Okutsu
41 */
42 public class TimeZoneNameProviderImpl extends TimeZoneNameProvider {
43 private final LocaleProviderAdapter.Type type;
44 private final Set<String> langtags;
45
46 TimeZoneNameProviderImpl(LocaleProviderAdapter.Type type, Set<String> langtags) {
47 this.type = type;
48 this.langtags = langtags;
49 }
50
51 /**
52 * Returns an array of all locales for which this locale service provider
53 * can provide localized objects or names.
54 *
55 * @return An array of all locales for which this locale service provider
56 * can provide localized objects or names.
57 */
58 @Override
59 public Locale[] getAvailableLocales() {
60 return LocaleProviderAdapter.toLocaleArray(langtags);
61 }
62
63 @Override
64 public boolean isSupportedLocale(Locale locale) {
65 return LocaleProviderAdapter.isSupportedLocale(locale, type, langtags);
66 }
67
68 /**
69 * Returns a name for the given time zone ID that's suitable for
70 * presentation to the user in the specified locale. The given time
71 * zone ID is "GMT" or one of the names defined using "Zone" entries
72 * in the "tz database", a public domain time zone database at
73 * <a href="ftp://elsie.nci.nih.gov/pub/">ftp://elsie.nci.nih.gov/pub/</a>.
74 * The data of this database is contained in a file whose name starts with
75 * "tzdata", and the specification of the data format is part of the zic.8
76 * man page, which is contained in a file whose name starts with "tzcode".
77 * <p>
78 * If <code>daylight</code> is true, the method should return a name
79 * appropriate for daylight saving time even if the specified time zone
80 * has not observed daylight saving time in the past.
81 *
82 * @param id a time zone ID string
83 * @param daylight if true, return the daylight saving name.
84 * @param style either {@link java.util.TimeZone#LONG TimeZone.LONG} or
85 * {@link java.util.TimeZone#SHORT TimeZone.SHORT}
104 index++;
105 }
106 return names[index];
107 }
108 return null;
109 }
110
111 @Override
112 public String getGenericDisplayName(String id, int style, Locale locale) {
113 String[] names = getDisplayNameArray(id, locale);
114 if (Objects.nonNull(names)) {
115 assert names.length >= 7;
116 return names[(style == TimeZone.LONG) ? 5 : 6];
117 }
118 return null;
119 }
120
121 private String[] getDisplayNameArray(String id, Locale locale) {
122 Objects.requireNonNull(id);
123 Objects.requireNonNull(locale);
124 return LocaleProviderAdapter.forType(type).getLocaleResources(locale).getTimeZoneNames(id);
125 }
126
127 /**
128 * Returns a String[][] as the DateFormatSymbols.getZoneStrings() value for
129 * the given locale. This method is package private.
130 *
131 * @param locale a Locale for time zone names
132 * @return an array of time zone names arrays
133 */
134 String[][] getZoneStrings(Locale locale) {
135 return LocaleProviderAdapter.forType(type).getLocaleResources(locale).getZoneStrings();
136 }
137 }
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1 /*
2 * Copyright (c) 2012, 2015, 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
26 package sun.util.locale.provider;
27
28 import java.util.Locale;
29 import java.util.Objects;
30 import java.util.Set;
31 import java.util.TimeZone;
32 import java.util.spi.TimeZoneNameProvider;
33 import sun.util.calendar.ZoneInfoFile;
34
35 /**
36 * Concrete implementation of the
37 * {@link java.util.spi.TimeZoneNameProvider TimeZoneNameProvider} class
38 * for the JRE LocaleProviderAdapter.
39 *
40 * @author Naoto Sato
41 * @author Masayoshi Okutsu
42 */
43 public class TimeZoneNameProviderImpl extends TimeZoneNameProvider {
44 private final LocaleProviderAdapter.Type type;
45 private final Set<String> langtags;
46 private static final String CLDR_NO_INHERITANCE_MARKER = "\u2205\u2205\u2205";
47
48 TimeZoneNameProviderImpl(LocaleProviderAdapter.Type type, Set<String> langtags) {
49 this.type = type;
50 this.langtags = langtags;
51 }
52
53 /**
54 * Returns an array of all locales for which this locale service provider
55 * can provide localized objects or names.
56 *
57 * @return An array of all locales for which this locale service provider
58 * can provide localized objects or names.
59 */
60 @Override
61 public Locale[] getAvailableLocales() {
62 return LocaleProviderAdapter.toLocaleArray(langtags);
63 }
64
65 @Override
66 public boolean isSupportedLocale(Locale locale) {
67 return LocaleProviderAdapter.forType(type).isSupportedProviderLocale(locale, langtags);
68 }
69
70 /**
71 * Returns a name for the given time zone ID that's suitable for
72 * presentation to the user in the specified locale. The given time
73 * zone ID is "GMT" or one of the names defined using "Zone" entries
74 * in the "tz database", a public domain time zone database at
75 * <a href="ftp://elsie.nci.nih.gov/pub/">ftp://elsie.nci.nih.gov/pub/</a>.
76 * The data of this database is contained in a file whose name starts with
77 * "tzdata", and the specification of the data format is part of the zic.8
78 * man page, which is contained in a file whose name starts with "tzcode".
79 * <p>
80 * If <code>daylight</code> is true, the method should return a name
81 * appropriate for daylight saving time even if the specified time zone
82 * has not observed daylight saving time in the past.
83 *
84 * @param id a time zone ID string
85 * @param daylight if true, return the daylight saving name.
86 * @param style either {@link java.util.TimeZone#LONG TimeZone.LONG} or
87 * {@link java.util.TimeZone#SHORT TimeZone.SHORT}
106 index++;
107 }
108 return names[index];
109 }
110 return null;
111 }
112
113 @Override
114 public String getGenericDisplayName(String id, int style, Locale locale) {
115 String[] names = getDisplayNameArray(id, locale);
116 if (Objects.nonNull(names)) {
117 assert names.length >= 7;
118 return names[(style == TimeZone.LONG) ? 5 : 6];
119 }
120 return null;
121 }
122
123 private String[] getDisplayNameArray(String id, Locale locale) {
124 Objects.requireNonNull(id);
125 Objects.requireNonNull(locale);
126
127 String[] ret =
128 LocaleProviderAdapter.forType(type).getLocaleResources(locale).getTimeZoneNames(id);
129
130 if (Objects.nonNull(ret) && type == LocaleProviderAdapter.Type.CLDR) {
131 // check for CLDR's "no inheritance marker"
132 for (int index = 0; index < ret.length; index++) {
133 TimeZone tz = null;
134 if (CLDR_NO_INHERITANCE_MARKER.equals(ret[index])) {
135 if (Objects.isNull(tz)) {
136 tz = TimeZone.getTimeZone(id);
137 }
138 int offset = tz.getRawOffset();
139 if (index == 3 || index == 4) { // daylight
140 offset += tz.getDSTSavings();
141 }
142 ret[index] = ZoneInfoFile.toCustomID(offset);
143 }
144 }
145 }
146
147 return ret;
148 }
149
150 /**
151 * Returns a String[][] as the DateFormatSymbols.getZoneStrings() value for
152 * the given locale. This method is package private.
153 *
154 * @param locale a Locale for time zone names
155 * @return an array of time zone names arrays
156 */
157 String[][] getZoneStrings(Locale locale) {
158 return LocaleProviderAdapter.forType(type).getLocaleResources(locale).getZoneStrings();
159 }
160 }
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