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Java > Open Source Codes > org > tigris > scarab > actions > base > BaseModifyIssue


1 package org.tigris.scarab.actions.base;
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.
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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.
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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.
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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
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43  * ====================================================================
44  *
45  * This software consists of voluntary contributions made by many
46  * individuals on behalf of Collab.Net.
47  */
48
49 import java.util.Iterator JavaDoc;
50 import java.util.List JavaDoc;
51 import java.util.ArrayList JavaDoc;
52
53 // Turbine Stuff
54 import org.apache.turbine.TemplateContext;
55 import org.apache.turbine.RunData;
56
57 // Scarab Stuff
58 import org.tigris.scarab.om.IssueManager;
59 import org.tigris.scarab.om.Issue;
60 import org.tigris.scarab.om.ActivitySet;
61 import org.tigris.scarab.tools.ScarabRequestTool;
62 import org.tigris.scarab.tools.ScarabLocalizationTool;
63
64 /**
65  * Base class for actions which modify issues. Has a method to check
66  * for collisions between different changes.
67  *
68  * @author <a HREF="mailto:jmcnally@collab.net">John McNally</a>
69  * @version $Id: BaseModifyIssue.java 8885 2004-01-31 18:51:40Z dep4b $
70  */
71 public class BaseModifyIssue extends RequireLoginFirstAction
72 {
73     protected boolean isCollision(RunData data, TemplateContext context)
74         throws Exception JavaDoc
75     {
76         boolean isCollision = false;
77         ScarabRequestTool scarabR = getScarabRequestTool(context);
78         ScarabLocalizationTool l10n = getLocalizationTool(context);
79         long modTimestamp = data.getParameters().getLong("mod_ts");
80
81         String JavaDoc id = data.getParameters().getString("id");
82         if (id == null)
83         {
84             List JavaDoc issues = scarabR.getIssues();
85             List JavaDoc conflictIssues = new ArrayList JavaDoc(issues.size());
86             Iterator JavaDoc iter = issues.iterator();
87             while (iter.hasNext())
88             {
89                 Issue issue = (Issue)iter.next();
90                 long lastModTime = issue.getModifiedDate().getTime();
91                 boolean isSingleCollision = modTimestamp < lastModTime;
92                 if (isSingleCollision)
93                 {
94                     isCollision = true;
95                     scarabR.setAlertMessage(
96                         l10n.get("MultiIssueChangeCollision"));
97                     ActivitySet lastActivitySet = issue.getLastActivitySet();
98                     ArrayList JavaDoc objs = new ArrayList JavaDoc(2);
99                     objs.add(issue);
100                     objs.add(lastActivitySet);
101                     conflictIssues.add(objs);
102                 }
103             }
104             context.put("lastActivities", conflictIssues);
105         }
106         else
107         {
108             Issue issue = IssueManager.getIssueById(id);
109             List JavaDoc conflictIssues = new ArrayList JavaDoc(1);
110             long lastModTime = issue.getModifiedDate().getTime();
111             isCollision = modTimestamp < lastModTime;
112             if (isCollision)
113             {
114                 scarabR.setAlertMessage(l10n.get("IssueChangeCollision"));
115                 ActivitySet lastActivitySet = issue.getLastActivitySet();
116                 ArrayList JavaDoc objs = new ArrayList JavaDoc(2);
117                 objs.add(issue);
118                 objs.add(lastActivitySet);
119                 conflictIssues.add(objs);
120                 context.put("lastActivities", conflictIssues);
121             }
122         }
123         return isCollision;
124     }
125 }
126
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