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82 lines
3.1 KiB
Java
82 lines
3.1 KiB
Java
/*
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* Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package java.util.spi;
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import java.util.Calendar;
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import java.util.Locale;
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/**
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* An abstract class for service providers that provide locale-dependent {@link
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* Calendar} parameters.
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*
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* @author Masayoshi Okutsu
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* @since 1.8
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* @see CalendarNameProvider
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*/
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public abstract class CalendarDataProvider extends LocaleServiceProvider {
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/**
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* Sole constructor. (For invocation by subclass constructors, typically
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* implicit.)
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*/
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protected CalendarDataProvider() {
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}
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/**
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* Returns the first day of a week in the given {@code locale}. This
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* information is required by {@link Calendar} to support operations on the
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* week-related calendar fields.
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*
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* @param locale
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* the desired locale
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* @return the first day of a week; one of {@link Calendar#SUNDAY} ..
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* {@link Calendar#SATURDAY},
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* or 0 if the value isn't available for the {@code locale}
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* @throws NullPointerException
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* if {@code locale} is {@code null}.
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* @see java.util.Calendar#getFirstDayOfWeek()
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* @see <a href="../Calendar.html#first_week">First Week</a>
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*/
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public abstract int getFirstDayOfWeek(Locale locale);
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/**
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* Returns the minimal number of days required in the first week of a
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* year. This information is required by {@link Calendar} to determine the
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* first week of a year. Refer to the description of <a
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* href="../Calendar.html#first_week"> how {@code Calendar} determines
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* the first week</a>.
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*
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* @param locale
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* the desired locale
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* @return the minimal number of days of the first week,
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* or 0 if the value isn't available for the {@code locale}
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* @throws NullPointerException
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* if {@code locale} is {@code null}.
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* @see java.util.Calendar#getMinimalDaysInFirstWeek()
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*/
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public abstract int getMinimalDaysInFirstWeek(Locale locale);
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}
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