001/*
002 * Copyright 2002-2013 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.web.servlet.i18n;
018
019import java.util.Locale;
020
021import org.springframework.lang.Nullable;
022import org.springframework.web.servlet.LocaleResolver;
023
024/**
025 * Abstract base class for {@link LocaleResolver} implementations.
026 * Provides support for a default locale.
027 *
028 * @author Juergen Hoeller
029 * @since 1.2.9
030 * @see #setDefaultLocale
031 */
032public abstract class AbstractLocaleResolver implements LocaleResolver {
033
034        @Nullable
035        private Locale defaultLocale;
036
037
038        /**
039         * Set a default Locale that this resolver will return if no other locale found.
040         */
041        public void setDefaultLocale(@Nullable Locale defaultLocale) {
042                this.defaultLocale = defaultLocale;
043        }
044
045        /**
046         * Return the default Locale that this resolver is supposed to fall back to, if any.
047         */
048        @Nullable
049        protected Locale getDefaultLocale() {
050                return this.defaultLocale;
051        }
052
053}