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Java > Open Source Codes > org > tigris > scarab > actions > ScarabSessionValidator


1 package org.tigris.scarab.actions;
2
3 /* ================================================================
4  * Copyright (c) 2000-2002 CollabNet. All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions are
8  * met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  * notice, this list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  * notice, this list of conditions and the following disclaimer in the
15  * documentation and/or other materials provided with the distribution.
16  *
17  * 3. The end-user documentation included with the redistribution, if
18  * any, must include the following acknowlegement: "This product includes
19  * software developed by Collab.Net <http://www.Collab.Net/>."
20  * Alternately, this acknowlegement may appear in the software itself, if
21  * and wherever such third-party acknowlegements normally appear.
22  *
23  * 4. The hosted project names must not be used to endorse or promote
24  * products derived from this software without prior written
25  * permission. For written permission, please contact info@collab.net.
26  *
27  * 5. Products derived from this software may not use the "Tigris" or
28  * "Scarab" names nor may "Tigris" or "Scarab" appear in their names without
29  * prior written permission of Collab.Net.
30  *
31  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
32  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
33  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
34  * IN NO EVENT SHALL COLLAB.NET OR ITS CONTRIBUTORS BE LIABLE FOR ANY
35  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
37  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
38  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
39  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
40  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
41  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42  *
43  * ====================================================================
44  *
45  * This software consists of voluntary contributions made by many
46  * individuals on behalf of Collab.Net.
47  */
48
49 import org.apache.fulcrum.security.entity.User;
50
51 import org.apache.turbine.TemplateContext;
52 import org.apache.turbine.RunData;
53 import org.apache.turbine.modules.actions.TemplateSessionValidator;
54
55 import org.tigris.scarab.util.Log;
56 import org.tigris.scarab.util.ScarabConstants;
57 import org.tigris.scarab.tools.ScarabRequestTool;
58 import org.tigris.scarab.tools.ScarabLocalizationTool;
59 import org.tigris.scarab.tools.localization.L10NKeySet;
60 import org.tigris.scarab.tools.localization.L10NMessage;
61 import org.tigris.scarab.tools.localization.LocalizationKey;
62
63 /**
64  * Sets the home page to the current target
65  *
66  * @author <a HREF="mailto:jmcnally@collab.net">John McNally</a>
67  * @version $Id: ScarabSessionValidator.java 9104 2004-05-10 21:04:51Z dabbous $
68  */
69 public class ScarabSessionValidator extends TemplateSessionValidator
70 {
71     protected void processCounter(RunData data)
72     {
73         int userCounter = Integer.MAX_VALUE;
74         User user = data.getUser();
75         if (user != null)
76         {
77             Integer JavaDoc i = (Integer JavaDoc) user.getTemp(COUNTER);
78             if (i != null)
79             {
80                 userCounter = i.intValue() - 1;
81             }
82         }
83
84         TemplateContext context = getTemplateContext(data);
85         ScarabLocalizationTool l10n =
86             (ScarabLocalizationTool) context.get(ScarabConstants.LOCALIZATION_TOOL);
87
88         LocalizationKey l10nKey = null;
89
90         if (null == user)
91         {
92             Log.get().warn("User object was null in session validator");
93             l10nKey = L10NKeySet.LostSessionStateError;
94         }
95         else if (userCounter == Integer.MAX_VALUE)
96         {
97             Log.get().debug("Could not determine " + COUNTER +
98                             ". This normally occurs during a session timeout.");
99             l10nKey = L10NKeySet.LostSessionStateError;
100         }
101         else if (data.getParameters().getInt(COUNTER) < userCounter)
102         {
103             l10nKey = L10NKeySet.ResubmitError;
104         }
105
106         if (l10nKey != null)
107         {
108
109             L10NMessage l10nMessage = new L10NMessage(l10nKey);
110             String JavaDoc msg = l10nMessage.getMessage(l10n);
111             ((ScarabRequestTool)context.get(ScarabConstants.SCARAB_REQUEST_TOOL))
112                 .setAlertMessage( msg );
113
114             data.setAction("");
115             setTarget(data, data.getParameters()
116                 .getString(ScarabConstants.CANCEL_TEMPLATE, null));
117             
118         }
119     }
120 }
121
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