001/*
002 * Copyright 2002-2009 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.view.tiles2;
018
019import java.util.Locale;
020import javax.servlet.http.HttpServletRequest;
021import javax.servlet.jsp.PageContext;
022
023import org.apache.tiles.context.TilesRequestContext;
024import org.apache.tiles.jsp.context.JspTilesRequestContext;
025import org.apache.tiles.locale.impl.DefaultLocaleResolver;
026import org.apache.tiles.servlet.context.ServletTilesRequestContext;
027
028import org.springframework.web.servlet.support.RequestContextUtils;
029
030/**
031 * Tiles LocaleResolver adapter that delegates to a Spring
032 * {@link org.springframework.web.servlet.LocaleResolver},
033 * exposing the DispatcherServlet-managed locale.
034 *
035 * <p>This adapter gets automatically registered by {@link TilesConfigurer}.
036 * If you are using standard Tiles bootstrap, specify the name of this class
037 * as value for the init-param "org.apache.tiles.locale.LocaleResolver".
038 *
039 * <p><b>NOTE: Tiles 2 support is deprecated in favor of Tiles 3 and will be removed
040 * as of Spring Framework 5.0.</b>.
041 *
042 * @author Juergen Hoeller
043 * @since 2.5
044 * @see org.apache.tiles.definition.UrlDefinitionsFactory#LOCALE_RESOLVER_IMPL_PROPERTY
045 * @deprecated as of Spring 4.2, in favor of Tiles 3
046 */
047@Deprecated
048public class SpringLocaleResolver extends DefaultLocaleResolver {
049
050        @Override
051        public Locale resolveLocale(TilesRequestContext context) {
052                if (context instanceof JspTilesRequestContext) {
053                        PageContext pc = ((JspTilesRequestContext) context).getPageContext();
054                        return RequestContextUtils.getLocale((HttpServletRequest) pc.getRequest());
055                }
056                else if (context instanceof ServletTilesRequestContext) {
057                        HttpServletRequest request = ((ServletTilesRequestContext) context).getRequest();
058                        if (request != null) {
059                                return RequestContextUtils.getLocale(request);
060                        }
061                }
062                return super.resolveLocale(context);
063        }
064
065}