1 /**
2 * This file Copyright (c) 2015-2018 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.resources.app.workbench;
35
36 import info.magnolia.resourceloader.Resource;
37
38 import java.io.IOException;
39 import java.io.Reader;
40
41 import org.apache.commons.io.IOUtils;
42
43 import com.vaadin.v7.data.util.AbstractProperty;
44
45 /**
46 * Property implementation wrapping text content obtained as a {@link Reader}.
47 * Highly inspired from {@link com.vaadin.v7.data.util.TextFileProperty}.
48 */
49 public class ResourceContentProperty extends AbstractProperty<String> {
50
51 private final Resource resource;
52
53 public ResourceContentProperty(Resource resource) {
54 this.resource = resource;
55 }
56
57 @Override
58 public Class<String> getType() {
59 return String.class;
60 }
61
62 @Override
63 public String getValue() {
64 try (final Reader reader = resource.openReader()) {
65 return IOUtils.toString(reader);
66 } catch (IOException e) {
67 throw new RuntimeException(e);
68 }
69 }
70
71 @Override
72 public boolean isReadOnly() {
73 return true;
74 }
75
76 @Override
77 public void setValue(String newValue) throws ReadOnlyException {
78 throw new UnsupportedOperationException("doesn't support write operations yet");
79 }
80
81 }
82