1 /**
2 * This file Copyright (c) 2010-2015 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.groovy.support;
35
36 import info.magnolia.cms.core.HierarchyManager;
37 import info.magnolia.context.MgnlContext;
38
39 /**
40 * An interface that allows providing HierarchyManager instances
41 * in a transparent manner (the user does not know where the HierarchyManager
42 * comes from or how it was retrieved).
43 */
44 public interface HierarchyManagerProvider {
45
46 // TODO - move to core ? We'll need this or some similar construct for IOC, I think.
47 HierarchyManager getHierarchyManager(String name);
48
49 /**
50 * Provider retrieving the HierarchyManager from the user context.
51 */
52 public static class UserContextHierarchyManagerProvider implements HierarchyManagerProvider {
53 @Override
54 public HierarchyManager getHierarchyManager(String name) {
55 return MgnlContext.getHierarchyManager(name);
56 }
57 }
58
59 /**
60 * Provider retrieving the HierarchyManager from the system context.
61 */
62 public static class SystemContextHierarchyManagerProvider implements HierarchyManagerProvider {
63 @Override
64 public HierarchyManager getHierarchyManager(String name) {
65 return MgnlContext.getSystemContext().getHierarchyManager(name);
66 }
67 }
68
69 }