1 /**
2 * This file Copyright (c) 2003-2010 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.cms.util;
35
36 import java.io.Serializable;
37
38 import javax.jcr.RepositoryException;
39
40 import info.magnolia.cms.core.Content;
41 import info.magnolia.cms.core.HierarchyManager;
42 import info.magnolia.context.MgnlContext;
43
44 import org.slf4j.Logger;
45 import org.slf4j.LoggerFactory;
46
47
48 /**
49 * @author philipp
50 * @version $Id: LazyContentWrapper.java 32667 2010-03-13 00:37:06Z gjoseph $
51 *
52 */
53 public class LazyContentWrapper extends ContentWrapper implements Serializable {
54
55 private String repository;
56
57 private String uuid;
58
59 protected transient Content node;
60
61 /**
62 * Logger.
63 */
64 private static Logger log = LoggerFactory.getLogger(LazyContentWrapper.class);
65
66 public LazyContentWrapper(String repository, String uuid) {
67 this.setRepository(repository);
68 this.setUuid(uuid);
69 }
70
71 public LazyContentWrapper(Content node){
72 try {
73 this.setRepository(node.getWorkspace().getName());
74 }
75 catch (RepositoryException e) {
76 log.error("can't read repository name from wrapping node", e);
77 }
78 this.setUuid(node.getUUID());
79 this.node = node;
80 }
81
82 public synchronized Content getWrappedContent() {
83 try {
84 if(node == null || !node.getJCRNode().getSession().isLive()){
85 node = getHierarchyManager().getContentByUUID(getUuid());
86 }
87 }
88 catch (RepositoryException e) {
89 log.error("can't reinitialize node " + getUuid(), e);
90 }
91 return node;
92 }
93
94 public HierarchyManager getHierarchyManager() {
95 return MgnlContext.getSystemContext().getHierarchyManager(getRepository());
96 }
97
98 protected void setUuid(String uuid) {
99 this.uuid = uuid;
100 }
101
102 protected String getUuid() {
103 return uuid;
104 }
105
106 protected void setRepository(String repository) {
107 this.repository = repository;
108 }
109
110 protected String getRepository() {
111 return repository;
112 }
113
114 }