1 /**
2 * This file Copyright (c) 2015 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.resourceloader.util;
35
36 import info.magnolia.resourceloader.Resource;
37 import info.magnolia.resourceloader.ResourceVisitor;
38
39 /**
40 * A {@link ResourceVisitor} which logs the files and directories it traverses, then simply delegate to another given visitor.
41 */
42 public class LoggingResourceVisitor implements ResourceVisitor {
43 private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(LoggingResourceVisitor.class);
44
45 public static LoggingResourceVisitor log(ResourceVisitor visitor) {
46 return new LoggingResourceVisitor(visitor);
47 }
48
49 private final ResourceVisitor visitor;
50
51 private LoggingResourceVisitor(ResourceVisitor visitor) {
52 this.visitor = visitor;
53 }
54
55 @Override
56 public boolean visitDirectory(Resource resource) {
57 log.info("Visiting {} with {}", resource, visitor);
58 return visitor.visitDirectory(resource);
59 }
60
61 @Override
62 public void visitFile(Resource resource) {
63 log.info("Visiting {} with {}", resource, visitor);
64 visitor.visitFile(resource);
65 }
66 }