1 /*
2 * $Source$
3 * $Revision$
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 At paneris.org>
42 * http://paneris.org/
43 * 29 Stanley Road, Oxford, OX4 1QY, UK
44 */
45
46 package org.melati.servlet;
47
48 import java.io.File;
49 import java.io.IOException;
50
51 /**
52 * Save uploaded files in a temporary file which is deleted when
53 * the JVM exits.
54 */
55 public class TemporaryFileFormDataAdaptor extends BaseFileFormDataAdaptor {
56
57 private String temporaryFileName;
58
59 /**
60 * Constructor using default file name.
61 */
62 public TemporaryFileFormDataAdaptor() {
63 this("melati");
64 }
65 /**
66 * Constructor specifying temporary file name.
67 * @param temporaryFileName the temporary file name to use
68 */
69 public TemporaryFileFormDataAdaptor(String temporaryFileName) {
70 this.temporaryFileName = temporaryFileName;
71 }
72
73 protected File calculateLocalFile() {
74 File fileL = null;
75 try {
76 fileL = File.createTempFile(temporaryFileName, null);
77 fileL.deleteOnExit();
78 return fileL;
79 }
80 catch (IOException ioe) {
81 throw new FormDataAdaptorException(
82 "Couldn't save the uploaded file in a temporary file", ioe);
83 }
84 }
85
86 protected String calculateURL() {
87 return null;
88 }
89 }
90
91
92
93
94
95