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.blossom.render;
35
36 import java.io.IOException;
37 import java.util.Map;
38 import javax.servlet.ServletException;
39 import javax.servlet.http.HttpServletRequest;
40 import javax.servlet.http.HttpServletResponse;
41
42 import info.magnolia.cms.util.ServletUtils;
43 import info.magnolia.context.MgnlContext;
44 import info.magnolia.context.WebContext;
45 import info.magnolia.module.blossom.template.BlossomRenderable;
46 import info.magnolia.rendering.context.RenderingContext;
47 import info.magnolia.rendering.engine.RenderException;
48 import info.magnolia.rendering.renderer.Renderer;
49
50 /**
51 * Custom {@link info.magnolia.rendering.renderer.Renderer} that renders Blossom managed templates.
52 *
53 * @since 1.0
54 */
55 public class BlossomTemplateRenderer implements Renderer {
56
57 @Override
58 public void render(RenderingContext ctx, Map<String, Object> contextObjects) throws RenderException {
59
60 try {
61
62 BlossomRenderable renderable = (BlossomRenderable) ctx.getRenderableDefinition();
63
64 RenderContext context = RenderContext.push();
65 try {
66
67 context.setRenderingContext(ctx);
68 context.setContextObjects(contextObjects);
69
70 WebContext webContext = MgnlContext.getWebContext();
71 HttpServletRequest request = webContext.getRequest();
72 HttpServletResponse response = webContext.getResponse();
73
74 // This is the same test used by the JspRenderer
75 if (response.isCommitted() || (ServletUtils.isForward(request) || ServletUtils.isInclude(request))) {
76 renderable.getDispatcher().include(renderable.getHandlerPath(), request, response);
77 } else {
78 renderable.getDispatcher().forward(renderable.getHandlerPath(), request, response);
79 }
80
81 } finally {
82 RenderContext.pop();
83 }
84
85 } catch (ServletException e) {
86 throw new RenderException(e);
87 } catch (IOException e) {
88 throw new RenderException(e);
89 }
90 }
91 }