1 /**
2 * This file Copyright (c) 2018 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.ui.contentapp;
35
36 import info.magnolia.ui.datasource.jcr.JcrDatasource;
37 import info.magnolia.ui.datasource.ItemResolver;
38
39 import java.util.Optional;
40
41 import javax.inject.Inject;
42 import javax.jcr.Item;
43 import javax.jcr.PathNotFoundException;
44 import javax.jcr.RepositoryException;
45
46 import org.apache.commons.lang3.StringUtils;
47 import org.slf4j.Logger;
48 import org.slf4j.LoggerFactory;
49
50 import com.machinezoo.noexception.Exceptions;
51
52 /**
53 * {@link ItemResolver} implementation for JCR.
54 */
55 public class JcrNodeResolver implements ItemResolver<Item> {
56
57 private static final Logger log = LoggerFactory.getLogger(JcrNodeResolver.class);
58
59 private final JcrDatasource datasource;
60
61 @Inject
62 public JcrNodeResolver(JcrDatasource datasource) {
63 this.datasource = datasource;
64 }
65
66 @Override
67 public String getId(Item node) {
68 return Optional.of(node)
69 .map(Exceptions.wrap().function(Item::getPath))
70 .filter(path -> !"/".equals(path)) //to be consistent with other data sources, root path is empty
71 .orElse("");
72 }
73
74 @Override
75 public Optional<Item> getItemById(String path) {
76 try {
77 return Optional.of(datasource.getJCRSession().getNode(StringUtils.appendIfMissing(path, "/")));
78 } catch (PathNotFoundException e) {
79 //node is gone
80 } catch (RepositoryException e) {
81 log.warn("Failed to resolve node by path [{}]", path, e);
82 }
83 return Optional.empty();
84 }
85 }