1 /**
2 * This file Copyright (c) 2003-2011 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.module.templating.renderers;
35
36 import info.magnolia.module.templating.RenderableDefinition;
37 import info.magnolia.cms.core.Content;
38 import info.magnolia.cms.util.NodeMapWrapper;
39 import info.magnolia.context.MgnlContext;
40 import info.magnolia.context.WebContext;
41 import info.magnolia.module.templating.RenderException;
42
43 import javax.servlet.http.HttpServletRequest;
44 import javax.servlet.http.HttpServletResponse;
45
46 import java.io.Writer;
47 import java.util.Map;
48
49 /**
50 * Simple jsp template renderer, mapped to template type <code>jsp</code>. The only valid attribute jsp templates is
51 * <code>path</code>, which specify the jsp/servlet path to forward to.
52 *
53 * @author Fabrizio Giustina
54 * @version $Revision: 41137 $ ($Author: gjoseph $)
55 */
56 public class JspTemplateRenderer extends AbstractTemplateRenderer {
57
58 private final static org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(JspTemplateRenderer.class);
59
60 protected void onRender(Content content, RenderableDefinition definition, Writer out, Map ctx, String templatePath) throws RenderException {
61 HttpServletRequest request = ((WebContext) MgnlContext.getInstance()).getRequest();
62 HttpServletResponse response = ((WebContext) MgnlContext.getInstance()).getResponse();
63 if (response.isCommitted()) {
64 log.warn("Attempting to forward to {}, but response is already committed.", templatePath);
65 }
66
67 // we can't do an include() because the called template might want to set cookies or call response.sendRedirect()
68 try {
69 request.getRequestDispatcher(templatePath).forward(request, response);
70 }
71 catch (Exception e) {
72 throw new RenderException("Can't render template " + templatePath, e);
73 }
74 }
75
76 /**
77 * We expose nodes as Map instances in JSPs.
78 */
79 protected Content wrapNodeForTemplate(Content currentContent, Content mainContent) {
80 final Content wrapped = super.wrapNodeForTemplate(currentContent, mainContent);
81 return new NodeMapWrapper(wrapped, mainContent.getHandle());
82 }
83
84 protected Map newContext() {
85 return MgnlContext.getWebContext("JspTemplateRenderer can only be used with a WebContext");
86 }
87
88 protected String getPageAttributeName() {
89 return "actpage";
90 }
91
92
93 }