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1   /*
2    * Copyright (c) 2002-2022, City of Paris
3    * All rights reserved.
4    *
5    * Redistribution and use in source and binary forms, with or without
6    * modification, are permitted provided that the following conditions
7    * are met:
8    *
9    *  1. Redistributions of source code must retain the above copyright notice
10   *     and the following disclaimer.
11   *
12   *  2. Redistributions in binary form must reproduce the above copyright notice
13   *     and the following disclaimer in the documentation and/or other materials
14   *     provided with the distribution.
15   *
16   *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
17   *     contributors may be used to endorse or promote products derived from
18   *     this software without specific prior written permission.
19   *
20   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
24   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30   * POSSIBILITY OF SUCH DAMAGE.
31   *
32   * License 1.0
33   */
34  package fr.paris.lutece.portal.service.fileupload;
35  
36  import org.apache.commons.fileupload.FileItem;
37  import org.apache.commons.io.FilenameUtils;
38  
39  /**
40   * This service provides utils to extract parameters from multipart request using Jakarta Commons FileUpload.
41   */
42  public final class FileUploadService
43  {
44      /** Creates a new instance of FileUploadService */
45      private FileUploadService( )
46      {
47      }
48  
49      /**
50       * Return the file name, without its whole path, from the file item. This should be used has FileItem.getName can return the whole path.
51       * 
52       * @param fileItem
53       *            the fileItem to process
54       * @return the name of the file associated
55       */
56      public static String getFileNameOnly( FileItem fileItem )
57      {
58          String strFileName;
59  
60          if ( fileItem != null )
61          {
62              strFileName = fileItem.getName( );
63  
64              if ( strFileName != null )
65              {
66                  strFileName = FilenameUtils.getName( strFileName );
67              }
68          }
69          else
70          {
71              strFileName = null;
72          }
73  
74          return strFileName;
75      }
76  }