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.framework.databinding;
35
36 import info.magnolia.jcr.RuntimeRepositoryException;
37
38 import javax.jcr.Item;
39 import javax.jcr.RepositoryException;
40
41 import com.vaadin.data.Binder;
42 import com.vaadin.data.PropertySet;
43 import com.vaadin.data.ValidationException;
44
45 /**
46 * Binder able of committing the changes.
47 * @param <T> item type.
48 */
49 public class CommittingBinder<T> extends Binder<T> {
50
51 public CommittingBinder(PropertySet<T> propertySet) {
52 super(propertySet);
53 }
54
55 @Override
56 public boolean writeBeanIfValid(T t) {
57 boolean valid = super.writeBeanIfValid(t);
58 if (valid) {
59 commit(t);
60 }
61 return valid;
62 }
63
64 @Override
65 public void writeBean(T t) throws ValidationException {
66 super.writeBean(t);
67 commit(t);
68 }
69
70 private void commit(T t) {
71 if (t instanceof Item) { //TODO untie from JCR
72 try {
73 ((Item) t).getSession().save();
74 } catch (RepositoryException e) {
75 throw new RuntimeRepositoryException(e);
76 }
77 }
78 }
79 }