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1   /**
2    * This file Copyright (c) 2003-2014 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.cms.util;
35  
36  import org.apache.commons.lang.StringUtils;
37  
38  
39  /**
40   * Utility class used to handle paths for documents in DMS.
41   * @author Philipp Bracher
42   * @version $Revision$ ($Author$)
43   */
44  public class PathUtil {
45  
46      public static String createPath(String path, String label) {
47          String res;
48          if (StringUtils.isEmpty(path) || (path.equals("/"))) { //$NON-NLS-1$
49              res = label;
50          }
51          else {
52              res = path + "/" + label;
53          }
54          return addLeadingSlash(res);
55      }
56  
57      public static String addLeadingSlash(String path) {
58          if (!path.startsWith("/")) { //$NON-NLS-1$
59              return "/" + path; //$NON-NLS-1$
60          }
61          return path;
62      }
63  
64      public static String getFolder(String path) {
65          String res;
66          res = StringUtils.substringBeforeLast(path, "/"); //$NON-NLS-1$
67          if (StringUtils.isEmpty(res)) {
68              return "/"; //$NON-NLS-1$
69          }
70          return res;
71      }
72  
73      public static String getFileName(String path) {
74          if (path.indexOf("/") >= 0) {
75              return StringUtils.substringAfterLast(path, "/");
76          }
77          return path;
78      }
79  
80      /**
81       * Returns the extension of the file denoted by the path excluding the dot. More specifically returns the part of
82       * the string after the last dot. If there's no dot in the path it returns the empty string.
83       */
84      public static String getExtension(String path) {
85          if (path == null) {
86              return null;
87          }
88          return StringUtils.substringAfterLast(getFileName(path), ".");
89      }
90  
91      /**
92       * Removes the extension from a path if one exists.
93       */
94      public static String stripExtension(String path) {
95          return StringUtils.substringBeforeLast(path, ".");
96      }
97  }