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1   /**
2    * This file Copyright (c) 2015-2016 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;
35  
36  /**
37   * Used by {@link ResourceOrigin#traverseWith(ResourceVisitor)} to visit resources.
38   *
39   * @see info.magnolia.resourceloader.util.PredicatedResourceVisitor
40   * @see info.magnolia.resourceloader.util.LoggingResourceVisitor
41   */
42  public interface ResourceVisitor {
43      /**
44       * Determines if we should visit this directory resource.
45       * Implementations can decide to do anything with the directory as well; note that {@link #visitFile(Resource)} is
46       * NOT called for directories.
47       * @return true if we should visit children (directories and files) of the given resource.
48       */
49      boolean visitDirectory(Resource resource);
50  
51      /**
52       * Implementations can decide to do anything with the file; note that {@link #visitDirectory(Resource)} is
53       * NOT called for files.
54       */
55      void visitFile(Resource resource);
56  
57  }