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
37 import info.magnolia.ui.datasource.jcr.SessionReattachingNodeWrapper;
38
39 import java.util.Iterator;
40 import java.util.Spliterator;
41 import java.util.Spliterators;
42 import java.util.stream.Stream;
43 import java.util.stream.StreamSupport;
44
45 import javax.jcr.Item;
46 import javax.jcr.ItemNotFoundException;
47 import javax.jcr.Node;
48 import javax.jcr.RepositoryException;
49
50 import org.slf4j.Logger;
51 import org.slf4j.LoggerFactory;
52
53 import lombok.SneakyThrows;
54
55 /**
56 * Utility class for JCR-based {@link com.vaadin.data.provider.DataProvider}s.
57 */
58 public class JcrDataProviderUtils {
59 private static final Logger log = LoggerFactory.getLogger(JcrDataProviderUtils.class);
60
61 private JcrDataProviderUtils() {
62 }
63
64 @SneakyThrows(RepositoryException.class)
65 public static Boolean isItemPathMatching(Item item, String pathFragment) {
66 try {
67 final String itemPath = item.getPath();
68 return itemPath.startsWith(pathFragment) || pathFragment.startsWith(itemPath);
69 } catch (ItemNotFoundException e) {
70 log.debug("Failed to check whether item path [{}] matches prefix [{}}, since the item is missing", item, pathFragment, e.getMessage());
71 return false;
72 }
73 }
74
75 public static Stream<Item> streamJcrItems(Iterator<? extends Item> items) {
76 //noinspection unchecked
77 return StreamSupport.stream(Spliterators.spliteratorUnknownSize(items, Spliterator.DISTINCT | Spliterator.NONNULL), false);
78 }
79
80 @SneakyThrows(RepositoryException.class)
81 public static Node wrap(Node source) {
82 return new SessionReattachingNodeWrapper(source);
83 }
84 }