1 /**
2 * This file Copyright (c) 2019 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.editor.converter;
35
36 import info.magnolia.jcr.RuntimeRepositoryException;
37 import info.magnolia.ui.datasource.jcr.JcrDatasource;
38
39 import javax.jcr.ItemNotFoundException;
40 import javax.jcr.Node;
41 import javax.jcr.RepositoryException;
42
43 import org.apache.commons.lang3.StringUtils;
44
45 import com.machinezoo.noexception.Exceptions;
46 import com.vaadin.data.Converter;
47 import com.vaadin.data.Result;
48 import com.vaadin.data.ValueContext;
49
50 import lombok.extern.slf4j.Slf4j;
51
52 /**
53 * JCR-specific implementation of {@link Converter}. Turns a Node (presentation type) into its identifier (model type or a String) and vice versa.
54 */
55 @Slf4j
56 public class JcrNodeToIdentifierConverter extends AbstractJcrConverter<Node> {
57
58 public JcrNodeToIdentifierConverter(JcrDatasource datasource) {
59 super(datasource);
60 }
61
62 @Override
63 public Result<String> convertToModel(Node value, ValueContext context) {
64 return Result.of(() -> {
65 if (value == null) {
66 return null;
67 }
68 return Exceptions.wrap().get(value::getIdentifier);
69 }, Throwable::getMessage);
70 }
71
72 @Override
73 public Node convertToPresentation(String uuid, ValueContext context) {
74 if (StringUtils.isBlank(uuid)) {
75 return null;
76 }
77 try {
78 return getNodeByIdentifier(uuid);
79 } catch (ItemNotFoundException e) {
80 log.debug("Failed to resolve JCR node with id [{}], returning null", uuid);
81 return null;
82 } catch (RepositoryException e) {
83 throw new RuntimeRepositoryException(e);
84 }
85 }
86 }