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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/java/util/spi/TimeZoneNameProvider.java
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+/* TimeZoneNameProvider.java -- Providers of localized currency symbols
+ Copyright (C) 2007 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+package java.util.spi;
+
+import java.util.Locale;
+
+/**
+ * A {@link TimeZoneNameProvider} provides localized
+ * versions of the names that represent a particular
+ * timezone. A <code>null</code> value may
+ * be returned, which should be treated as a lack of
+ * support for the specified {@link Locale}. The names
+ * from this class are also used by
+ * {@link DateFormatSymbols#getZoneStrings()}.
+ *
+ * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
+ * @since 1.6
+ */
+public abstract class TimeZoneNameProvider
+ extends LocaleServiceProvider
+{
+
+ /**
+ * Constructs a new {@link TimeZoneNameProvider}.
+ * Provided for implicit invocation by subclasses.
+ */
+ protected TimeZoneNameProvider()
+ {
+ }
+
+ /**
+ * Returns a name for the specified time zone identifier
+ * localized to the supplied {@link java.util.Locale}.
+ * The time zone identifier is either <code>"GMT"</code>
+ * or one of the identifiers from the public domain "tz
+ * database" found at <a href="ftp://elsie.nci.nih.gov/pub/">
+ * ftp://elsie.nci.nih.gov/pub</a>. Note that a translated
+ * name for the daylight savings time variant should be returned,
+ * even if the timezone has not observed daylight savings
+ * time in the past. If the name of the timezone
+ * in the given locale is not supported, <code>null</code>
+ * is returned.
+ *
+ * @param id a time zone identifier.
+ * @param daylight true if the daylight savings time variant
+ * should be returned.
+ * @param style either {@link java.util.TimeZone.LONG} or
+ * {@link java.util.TimeZone.SHORT}
+ * @param locale the locale to express the timezone in.
+ * @return the localized time zone name, or <code>null</code>
+ * if one is not available.
+ * @throws NullPointerException if the identifer or locale is null.
+ * @throws IllegalArgumentException if the style is invalid
+ * or the locale is not one
+ * returned by
+ * {@link getAvailableLocales()}
+ * @see java.util.TimeZone#getDisplayName(boolean,int,java.util.Locale)
+ */
+ public abstract String getDisplayName(String id, boolean daylight,
+ int style, Locale locale);
+
+}