1 /** 2 * This file Copyright (c) 2003-2013 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.rendering.renderer; 35 36 import info.magnolia.cms.util.ServletUtils; 37 import info.magnolia.context.MgnlContext; 38 import info.magnolia.context.WebContext; 39 import info.magnolia.jcr.util.NodeUtil; 40 import info.magnolia.rendering.context.RenderingContext; 41 import info.magnolia.rendering.engine.RenderException; 42 import info.magnolia.rendering.engine.RenderingEngine; 43 import info.magnolia.rendering.template.RenderableDefinition; 44 45 import java.util.Map; 46 47 import javax.inject.Inject; 48 import javax.jcr.Node; 49 import javax.servlet.http.HttpServletRequest; 50 import javax.servlet.http.HttpServletResponse; 51 52 /** 53 * Renders templates by dispatching to the servlet container. 54 * 55 * @version $Id$ 56 */ 57 public class JspRenderer extends AbstractRenderer { 58 59 /** 60 * @deprecated since 5.0.2, use {@link #JspRenderer(RenderingEngine)} 61 */ 62 public JspRenderer() { 63 } 64 65 @Inject 66 public JspRenderer(RenderingEngine renderingEngine) { 67 super(renderingEngine); 68 } 69 70 @Override 71 protected void onRender(Node content, RenderableDefinition definition, RenderingContext renderingCtx, Map<String, Object> ctx, String templateScript) throws RenderException { 72 HttpServletRequest request = ((WebContext) MgnlContext.getInstance()).getRequest(); 73 HttpServletResponse response = ((WebContext) MgnlContext.getInstance()).getResponse(); 74 try { 75 if (response.isCommitted() || (ServletUtils.isForward(request) || ServletUtils.isInclude(request)) || !NodeUtil.isSame(content, renderingCtx.getMainContent())) { 76 ((WebContext) ctx).include(templateScript, renderingCtx.getAppendable()); 77 } else { 78 // we can't do an include() because the called template might want to set cookies or call response.sendRedirect() 79 request.getRequestDispatcher(templateScript).forward(request, response); 80 } 81 } catch (Exception e) { 82 throw new RenderException("Can't render template " + templateScript, e); 83 } 84 } 85 86 // TODO this is copied from the old rendering, need to go or be adapted 87 /** 88 * We expose nodes as Map instances in JSPs. 89 * 90 * @Override 91 * protected Node wrapNodeForTemplate(Node currentContent, Node mainContent) { 92 * final Node wrapped = super.wrapNodeForTemplate(currentContent, mainContent); 93 * return new NodeMapWrapper(wrapped, mainContent.getHandle()); 94 * } 95 */ 96 @Override 97 protected Map newContext() { 98 return MgnlContext.getWebContext("JspRenderer can only be used with a WebContext"); 99 } 100 101 }