1 /**
2 * This file Copyright (c) 2017 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.rest.delivery.jcr.decorator;
35
36 import info.magnolia.jcr.decoration.AbstractContentDecorator;
37 import info.magnolia.jcr.util.NodeUtil;
38 import info.magnolia.rest.delivery.jcr.filter.FilteringContentDecoratorBuilder;
39 import info.magnolia.rest.reference.ReferenceDefinition;
40
41 import java.util.List;
42
43 import javax.jcr.Node;
44
45 /**
46 * A Node decorator implementation which knows about expanding reference properties.
47 */
48 public class ReferenceExpandDecorator extends AbstractContentDecorator {
49
50 private final List<ReferenceDefinition> references;
51 private final FilteringContentDecoratorBuilder expandDecorators;
52
53 public ReferenceExpandDecorator(List<ReferenceDefinition> references, FilteringContentDecoratorBuilder expandDecorators) {
54 this.references = references;
55 this.expandDecorators = expandDecorators;
56 }
57
58 @Override
59 public boolean isMultipleWrapEnabled() {
60 return false;
61 }
62
63 @Override
64 public Node wrapNode(Node node) {
65 if (NodeUtil.isWrappedWith(node, AdditionNodeWrapper.class)) {
66 return node;
67 }
68
69 node = expandDecorators.wrapNode(node);
70
71 return new ReferenceExpandWrapper(node, references, expandDecorators);
72 }
73 }