1 /*
2 * Java HTML Tidy - JTidy
3 * HTML parser and pretty printer
4 *
5 * Copyright (c) 1998-2000 World Wide Web Consortium (Massachusetts
6 * Institute of Technology, Institut National de Recherche en
7 * Informatique et en Automatique, Keio University). All Rights
8 * Reserved.
9 *
10 * Contributing Author(s):
11 *
12 * Dave Raggett <dsr@w3.org>
13 * Andy Quick <ac.quick@sympatico.ca> (translation to Java)
14 * Gary L Peskin <garyp@firstech.com> (Java development)
15 * Sami Lempinen <sami@lempinen.net> (release management)
16 * Fabrizio Giustina <fgiust at users.sourceforge.net>
17 * Vlad Skarzhevskyy <vlads at users.sourceforge.net> (JTidy servlet development)
18 *
19 * The contributing author(s) would like to thank all those who
20 * helped with testing, bug fixes, and patience. This wouldn't
21 * have been possible without all of you.
22 *
23 * COPYRIGHT NOTICE:
24 *
25 * This software and documentation is provided "as is," and
26 * the copyright holders and contributing author(s) make no
27 * representations or warranties, express or implied, including
28 * but not limited to, warranties of merchantability or fitness
29 * for any particular purpose or that the use of the software or
30 * documentation will not infringe any third party patents,
31 * copyrights, trademarks or other rights.
32 *
33 * The copyright holders and contributing author(s) will not be
34 * liable for any direct, indirect, special or consequential damages
35 * arising out of any use of the software or documentation, even if
36 * advised of the possibility of such damage.
37 *
38 * Permission is hereby granted to use, copy, modify, and distribute
39 * this source code, or portions hereof, documentation and executables,
40 * for any purpose, without fee, subject to the following restrictions:
41 *
42 * 1. The origin of this source code must not be misrepresented.
43 * 2. Altered versions must be plainly marked as such and must
44 * not be misrepresented as being the original source.
45 * 3. This Copyright notice may not be removed or altered from any
46 * source or altered source distribution.
47 *
48 * The copyright holders and contributing author(s) specifically
49 * permit, without fee, and encourage the use of this source code
50 * as a component for supporting the Hypertext Markup Language in
51 * commercial products. If you use this source code in a product,
52 * acknowledgment is not required but would be appreciated.
53 *
54 */
55 package org.w3c.tidy.servlet.data;
56 /*
57 * Created on 23.10.2004
58 */
59 import javax.servlet.http.HttpSession;
60
61 import org.w3c.tidy.servlet.Consts;
62 import org.w3c.tidy.servlet.ResponseRecordRepository;
63
64 /***
65 * Store Repository in http session.
66 *
67 * @author Vlad Skarzhevskyy <a href="mailto:skarzhevskyy@gmail.com">skarzhevskyy@gmail.com</a>
68 * @version $Revision: 1.2 $ ($Author: vlads $)
69 */
70 public class SessionRepositoryFactory extends DefaultRepositoryFactory
71 {
72 /***
73 * Session attribute, used to store Repository in Session.
74 */
75 public static final String ATTRIBUTE_REPOSITORY = "JTidyResponseRecordRepository";
76
77 /* (non-Javadoc)
78 * @see org.w3c.tidy.servlet.RepositoryFactory#getRepositoryInstance(javax.servlet.http.HttpSession)
79 */
80 public ResponseRecordRepository getRepositoryInstance(HttpSession httpSession)
81 {
82 ResponseRecordRepository r = (ResponseRecordRepository) httpSession.getAttribute(ATTRIBUTE_REPOSITORY);
83 if (r == null)
84 {
85 r = new DefaultResponseRecordRepository();
86 httpSession.setAttribute(ATTRIBUTE_REPOSITORY, r);
87 }
88 return r;
89 }
90
91 /***
92 * Implementation of sequence generator.
93 * @return Returns the requst new ID when asked.
94 */
95 public synchronized long generateNewRequestID(HttpSession httpSession)
96 {
97 Long l = (Long) httpSession.getAttribute(Consts.ATTRIBUTE_REQUEST_ID);
98 if (l == null)
99 {
100 l = new Long(0);
101 }
102 l = new Long(l.longValue() + 1);
103 httpSession.setAttribute(Consts.ATTRIBUTE_REQUEST_ID, l);
104
105 return l.longValue();
106 }
107 }