1 /**
2 * This file Copyright (c) 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.module.blossom.template;
35
36 import info.magnolia.cms.core.Content;
37 import info.magnolia.module.blossom.BlossomModule;
38 import info.magnolia.module.templating.Template;
39 import org.slf4j.Logger;
40 import org.slf4j.LoggerFactory;
41
42 /**
43 * Extension of {@link info.magnolia.module.templating.Template} that connects the template instance with
44 * declarative behaviour in the controller.
45 */
46 public class BlossomTemplate extends Template {
47
48 private final Logger logger = LoggerFactory.getLogger(getClass());
49
50 @Override
51 public boolean isAvailable(Content node) {
52
53 try {
54
55 BlossomTemplateRegistry registry = BlossomModule.getTemplateRegistry();
56 BlossomTemplateDescription description = registry.getTemplate(getName());
57
58 TemplateAvailabilityStrategy availabilityStrategy = description.getAvailabilityStrategy();
59
60 if (availabilityStrategy != null)
61 return availabilityStrategy.isAvailable(node);
62
63 return super.isAvailable(node);
64
65 } catch (Exception e) {
66 logger.error("Exception occurred determining availability for template [" + getName() + "]", e);
67 return false;
68 }
69 }
70 }