1 /*
2 * Copyright (c) 2005, 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
51 * Returns a name for the given time zone ID that's suitable for
52 * presentation to the user in the specified locale. The given time
53 * zone ID is "GMT" or one of the names defined using "Zone" entries
54 * in the "tz database", a public domain time zone database at
55 * <a href="https://www.iana.org/time-zones">https://www.iana.org/time-zones</a>.
56 * The data of this database is contained in a file whose name starts with
57 * "tzdata", and the specification of the data format is part of the zic.8
58 * man page, which is contained in a file whose name starts with "tzcode".
59 * <p>
60 * If <code>daylight</code> is true, the method should return a name
61 * appropriate for daylight saving time even if the specified time zone
62 * has not observed daylight saving time in the past.
63 *
64 * @param ID a time zone ID string
65 * @param daylight if true, return the daylight saving name.
66 * @param style either {@link java.util.TimeZone#LONG TimeZone.LONG} or
67 * {@link java.util.TimeZone#SHORT TimeZone.SHORT}
68 * @param locale the desired locale
69 * @return the human-readable name of the given time zone in the
70 * given locale, or null if it's not available.
71 * @exception IllegalArgumentException if <code>style</code> is invalid,
72 * or <code>locale</code> isn't one of the locales returned from
73 * {@link java.util.spi.LocaleServiceProvider#getAvailableLocales()
74 * getAvailableLocales()}.
75 * @exception NullPointerException if <code>ID</code> or <code>locale</code>
76 * is null
77 * @see java.util.TimeZone#getDisplayName(boolean, int, java.util.Locale)
78 */
79 public abstract String getDisplayName(String ID, boolean daylight, int style, Locale locale);
80
81 /**
82 * Returns a generic name for the given time zone {@code ID} that's suitable
83 * for presentation to the user in the specified {@code locale}. Generic
84 * time zone names are neutral from standard time and daylight saving
85 * time. For example, "PT" is the short generic name of time zone ID {@code
86 * America/Los_Angeles}, while its short standard time and daylight saving
87 * time names are "PST" and "PDT", respectively. Refer to
88 * {@link #getDisplayName(String, boolean, int, Locale) getDisplayName}
89 * for valid time zone IDs.
90 *
91 * <p>The default implementation of this method returns {@code null}.
92 *
93 * @param ID a time zone ID string
94 * @param style either {@link java.util.TimeZone#LONG TimeZone.LONG} or
95 * {@link java.util.TimeZone#SHORT TimeZone.SHORT}
96 * @param locale the desired locale
97 * @return the human-readable generic name of the given time zone in the
98 * given locale, or {@code null} if it's not available.
99 * @exception IllegalArgumentException if <code>style</code> is invalid,
100 * or <code>locale</code> isn't one of the locales returned from
101 * {@link LocaleServiceProvider#getAvailableLocales()
102 * getAvailableLocales()}.
103 * @exception NullPointerException if <code>ID</code> or <code>locale</code>
104 * is {@code null}
105 * @since 1.8
106 */
107 public String getGenericDisplayName(String ID, int style, Locale locale) {
108 return null;
109 }
110 }
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1 /*
2 * Copyright (c) 2005, 2019, 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
51 * Returns a name for the given time zone ID that's suitable for
52 * presentation to the user in the specified locale. The given time
53 * zone ID is "GMT" or one of the names defined using "Zone" entries
54 * in the "tz database", a public domain time zone database at
55 * <a href="https://www.iana.org/time-zones">https://www.iana.org/time-zones</a>.
56 * The data of this database is contained in a file whose name starts with
57 * "tzdata", and the specification of the data format is part of the zic.8
58 * man page, which is contained in a file whose name starts with "tzcode".
59 * <p>
60 * If <code>daylight</code> is true, the method should return a name
61 * appropriate for daylight saving time even if the specified time zone
62 * has not observed daylight saving time in the past.
63 *
64 * @param ID a time zone ID string
65 * @param daylight if true, return the daylight saving name.
66 * @param style either {@link java.util.TimeZone#LONG TimeZone.LONG} or
67 * {@link java.util.TimeZone#SHORT TimeZone.SHORT}
68 * @param locale the desired locale
69 * @return the human-readable name of the given time zone in the
70 * given locale, or null if it's not available.
71 * @throws IllegalArgumentException if <code>style</code> is invalid,
72 * or <code>locale</code> isn't one of the locales returned from
73 * {@link java.util.spi.LocaleServiceProvider#getAvailableLocales()
74 * getAvailableLocales()}.
75 * @throws NullPointerException if <code>ID</code> or <code>locale</code>
76 * is null
77 * @see java.util.TimeZone#getDisplayName(boolean, int, java.util.Locale)
78 */
79 public abstract String getDisplayName(String ID, boolean daylight, int style, Locale locale);
80
81 /**
82 * Returns a generic name for the given time zone {@code ID} that's suitable
83 * for presentation to the user in the specified {@code locale}. Generic
84 * time zone names are neutral from standard time and daylight saving
85 * time. For example, "PT" is the short generic name of time zone ID {@code
86 * America/Los_Angeles}, while its short standard time and daylight saving
87 * time names are "PST" and "PDT", respectively. Refer to
88 * {@link #getDisplayName(String, boolean, int, Locale) getDisplayName}
89 * for valid time zone IDs.
90 *
91 * <p>The default implementation of this method returns {@code null}.
92 *
93 * @param ID a time zone ID string
94 * @param style either {@link java.util.TimeZone#LONG TimeZone.LONG} or
95 * {@link java.util.TimeZone#SHORT TimeZone.SHORT}
96 * @param locale the desired locale
97 * @return the human-readable generic name of the given time zone in the
98 * given locale, or {@code null} if it's not available.
99 * @throws IllegalArgumentException if <code>style</code> is invalid,
100 * or <code>locale</code> isn't one of the locales returned from
101 * {@link LocaleServiceProvider#getAvailableLocales()
102 * getAvailableLocales()}.
103 * @throws NullPointerException if <code>ID</code> or <code>locale</code>
104 * is {@code null}
105 * @since 1.8
106 */
107 public String getGenericDisplayName(String ID, int style, Locale locale) {
108 return null;
109 }
110 }
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