1 /** 2 * This file Copyright (c) 2007-2010 Magnolia International 3 * Ltd. (http://www.magnolia-cms.com). All rights reserved. 4 * 5 * 6 * This file is dual-licensed under both the Magnolia 7 * Network Agreement and the GNU General Public License. 8 * You may elect to use one or the other of these licenses. 9 * 10 * This file is distributed in the hope that it will be 11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the 12 * implied warranty of MERCHANTABILITY or FITNESS FOR A 13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT. 14 * Redistribution, except as permitted by whichever of the GPL 15 * or MNA you select, is prohibited. 16 * 17 * 1. For the GPL license (GPL), you can redistribute and/or 18 * modify this file under the terms of the GNU General 19 * Public License, Version 3, as published by the Free Software 20 * Foundation. You should have received a copy of the GNU 21 * General Public License, Version 3 along with this program; 22 * if not, write to the Free Software Foundation, Inc., 51 23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 24 * 25 * 2. For the Magnolia Network Agreement (MNA), this file 26 * and the accompanying materials are made available under the 27 * terms of the MNA which accompanies this distribution, and 28 * is available at http://www.magnolia-cms.com/mna.html 29 * 30 * Any modifications to this file must keep this entire header 31 * intact. 32 * 33 */ 34 package info.magnolia.cms.filters; 35 36 import info.magnolia.cms.core.Content; 37 import info.magnolia.cms.util.ContentWrapper; 38 import info.magnolia.cms.util.DeprecationUtil; 39 import info.magnolia.context.MgnlContext; 40 41 import java.io.IOException; 42 43 import javax.servlet.FilterChain; 44 import javax.servlet.ServletException; 45 import javax.servlet.http.HttpServletRequest; 46 import javax.servlet.http.HttpServletResponse; 47 48 49 /** 50 * Used to support the deprecated ${actpage} expression in jsps 51 * @author philipp 52 * @version $Id: BackwardCompatibilityFilter.java 32667 2010-03-13 00:37:06Z gjoseph $ 53 */ 54 public class BackwardCompatibilityFilter extends OncePerRequestAbstractMgnlFilter { 55 56 private static Content ACTPAGE = new ContentWrapper(){ 57 58 public Content getWrappedContent() { 59 DeprecationUtil.isDeprecated("The request attribute ${" + ACTPAGE_ATTRIBUTE + "} is deprecated please use the new ${" + ACTPAGE_FUNCTION + "} function instead"); 60 61 return MgnlContext.getAggregationState().getCurrentContent(); 62 } 63 }; 64 65 private static final String ACTPAGE_ATTRIBUTE = "actpage"; 66 67 private static final String ACTPAGE_FUNCTION = "cmsfn:mainPage()"; 68 69 public void doFilter(HttpServletRequest request, HttpServletResponse response, FilterChain chain) 70 throws IOException, ServletException { 71 request.setAttribute(ACTPAGE_ATTRIBUTE, ACTPAGE); 72 chain.doFilter(request, response); 73 } 74 75 }