Java tutorial
/* * Copyright 2002-2013 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * https://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.springframework.context.i18n; import java.util.Locale; import org.springframework.lang.Nullable; /** * Strategy interface for determining the current Locale. * * <p>A LocaleContext instance can be associated with a thread * via the LocaleContextHolder class. * * @author Juergen Hoeller * @since 1.2 * @see LocaleContextHolder#getLocale() * @see TimeZoneAwareLocaleContext */ public interface LocaleContext { /** * Return the current Locale, which can be fixed or determined dynamically, * depending on the implementation strategy. * @return the current Locale, or {@code null} if no specific Locale associated */ @Nullable Locale getLocale(); }