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1   /*
2    * $Source: /usr/cvsroot/Bibliomania/src/main/java/org/paneris/bibliomania/BibliomaniaFileFormDataAdaptor.java,v $
3    * $Revision: 1.1 $
4    *
5    * Copyright (C) 2000 Myles Chippendale
6    *
7    * Part of Melati (http://melati.org), a framework for the rapid
8    * development of clean, maintainable web applications.
9    *
10   * Melati is free software; Permission is granted to copy, distribute
11   * and/or modify this software under the terms either:
12   *
13   * a) the GNU General Public License as published by the Free Software
14   *    Foundation; either version 2 of the License, or (at your option)
15   *    any later version,
16   *
17   *    or
18   *
19   * b) any version of the Melati Software License, as published
20   *    at http://melati.org
21   *
22   * You should have received a copy of the GNU General Public License and
23   * the Melati Software License along with this program;
24   * if not, write to the Free Software Foundation, Inc.,
25   * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA to obtain the
26   * GNU General Public License and visit http://melati.org to obtain the
27   * Melati Software License.
28   *
29   * Feel free to contact the Developers of Melati (http://melati.org),
30   * if you would like to work out a different arrangement than the options
31   * outlined here.  It is our intention to allow Melati to be used by as
32   * wide an audience as possible.
33   *
34   * This program is distributed in the hope that it will be useful,
35   * but WITHOUT ANY WARRANTY; without even the implied warranty of
36   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
37   * GNU General Public License for more details.
38   *
39   * Contact details for copyright holder:
40   *
41   *     Mylesc Chippendale <mylesc@paneris.org>
42   *     http://paneris.org/
43   *     29 Stanley Road, Oxford, OX4 1QY, UK
44   */
45  
46  /**
47   * Interface for a file uploaded from a HTML form 
48   */
49  
50  package org.paneris.bibliomania;
51  
52  import java.io.File;
53  
54  import org.melati.servlet.BaseFileFormDataAdaptor;
55  import org.melati.util.FileUtils;
56  import org.melati.util.UTF8URLEncoder;
57  
58  /**
59   * The default way to save an uploaded file to disk - we tell
60   * it what directory to save it in and the base URL to that
61   * directory
62   */
63  
64  public class BibliomaniaFileFormDataAdaptor extends BaseFileFormDataAdaptor {
65  
66    protected String uploadDir = null;
67    protected String uploadURL = null;
68    protected boolean makeUnique = true;
69    protected String path;
70  
71    /**
72     * Constructor
73     * 
74     * @param uploadDir The directory to save this file in
75     * @param book - the book the upload is for
76     */
77  
78    public BibliomaniaFileFormDataAdaptor(String uploadDir, Book book) {
79      this(uploadDir,true,book);
80    }
81  
82    /**
83     * Constructor
84     * 
85     * @param uploadDir The directory to save this file in
86     * @param makeUnique Whether we should make sure the new file has a unique
87     *                   name within the <code>uploadDir</code> directory
88     * @param book - the book the upload is for
89     */
90    public BibliomaniaFileFormDataAdaptor(String uploadDir, 
91                                      boolean makeUnique, Book book) {
92      this.uploadDir = uploadDir;
93      this.makeUnique = makeUnique;
94      if (book != null) { 
95        this.uploadDir = book.getSourceDir().toString();
96      }
97    }
98    
99    protected File calculateLocalFile() {
100     File f = new File(uploadDir,
101                       UTF8URLEncoder.encode(field.getUploadedFileName()));
102     return makeUnique ? FileUtils.withUniqueName(f) : f;
103   }
104 
105   /* our url is calculated by the cached location of the book, so we don't need
106    * do anything here.
107    */
108   protected String calculateURL() {
109     return file.getName();
110   }
111 }