1 /*
2 * The SmartWeb Framework
3 * Copyright (C) 2004-2006
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 *
19 * For further informations on the SmartWeb Framework please visit
20 *
21 * http://smartweb.sourceforge.net
22 */
23
24 package net.smartlab.web.poll;
25
26 /**
27 * TODO documentation
28 * @author rlogiacco
29 */
30 public class SubmissionFactory {
31
32 /**
33 * Stores the singleton <code>instance</code> for this class.
34 */
35 private static SubmissionFactory instance;
36
37 /**
38 * Blocks class instantiation to enforce the singleton pattern.
39 */
40 private SubmissionFactory() {
41 super();
42 }
43
44 /**
45 * @return returns the singleton instance.
46 */
47 public static synchronized SubmissionFactory getInstance() {
48 if (instance == null) {
49 instance = new SubmissionFactory();
50 }
51 return instance;
52 }
53 }