/* * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package java.util.spi; import java.util.Calendar; import java.util.Locale; /** * An abstract class for service providers that provide locale-dependent {@link * Calendar} parameters. * * @author Masayoshi Okutsu * @since 1.8 * @see CalendarNameProvider */ public abstract class CalendarDataProvider extends LocaleServiceProvider { /** * Sole constructor. (For invocation by subclass constructors, typically * implicit.) */ protected CalendarDataProvider() { } /** * Returns the first day of a week in the given {@code locale}. This * information is required by {@link Calendar} to support operations on the * week-related calendar fields. * * @param locale * the desired locale * @return the first day of a week; one of {@link Calendar#SUNDAY} .. * {@link Calendar#SATURDAY}, * or 0 if the value isn't available for the {@code locale} * @throws NullPointerException * if {@code locale} is {@code null}. * @see java.util.Calendar#getFirstDayOfWeek() * @see First Week */ public abstract int getFirstDayOfWeek(Locale locale); /** * Returns the minimal number of days required in the first week of a * year. This information is required by {@link Calendar} to determine the * first week of a year. Refer to the description of how {@code Calendar} determines * the first week. * * @param locale * the desired locale * @return the minimal number of days of the first week, * or 0 if the value isn't available for the {@code locale} * @throws NullPointerException * if {@code locale} is {@code null}. * @see java.util.Calendar#getMinimalDaysInFirstWeek() */ public abstract int getMinimalDaysInFirstWeek(Locale locale); }