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Java > Open Source Codes > net > killingar > actions > wiki > Revert


1 /* Copyright 2000-2005 Anders Hovmöller
2  *
3  * The person or persons who have associated their work with
4  * this document (the "Dedicator") hereby dedicate the entire
5  * copyright in the work of authorship identified below (the
6  * "Work") to the public domain.
7  *
8  * Dedicator makes this dedication for the benefit of the
9  * public at large and to the detriment of Dedicator's heirs
10  * and successors. Dedicator intends this dedication to be an
11  * overt act of relinquishment in perpetuity of all present
12  * and future rights under copyright law, whether vested or
13  * contingent, in the Work. Dedicator understands that such
14  * relinquishment of all rights includes the relinquishment of
15  * all rights to enforce (by lawsuit or otherwise) those
16  * copyrights in the Work.
17  *
18  * Dedicator recognizes that, once placed in the public
19  * domain, the Work may be freely reproduced, distributed,
20  * transmitted, used, modified, built upon, or otherwise
21  * exploited by anyone for any purpose, commercial or non-
22  * commercial, and in any way, including by methods that have
23  * not yet been invented or conceived.
24  */
25
26 package net.killingar.actions.wiki;
27
28 import com.portalwizard.silo.DocumentVersionPK;
29 import com.portalwizard.silo.Version;
30
31 public class Revert extends WikiAction
32 {
33     String JavaDoc context, dockey, version;
34
35     boolean confirmed = false;
36
37     public String JavaDoc getContext () { return context; }
38     public String JavaDoc getDockey () { return dockey; }
39     public String JavaDoc getVersion () { return version; }
40
41     public void setContext (String JavaDoc in) { context = in; }
42     public void setDockey (String JavaDoc in) { dockey = in; }
43     public void setVersion (String JavaDoc in) { version = in; }
44
45     public void setConfirmed(boolean in) { confirmed = in; }
46
47     protected String JavaDoc doExecute() throws Exception JavaDoc
48     {
49         if (confirmed)
50         {
51             DocumentVersionPK pk = new DocumentVersionPK(context, dockey, version);
52             Version ov = vm.get(pk);
53
54             if (vm.get(getContext(), getWiki()).getContent().equals(ov.getContent()))
55             {
56                 addErrorMessage("document unaltered");
57                 return INPUT;
58             }
59
60             Version nv = new Version(getContext(), getWiki());
61             nv.setTitle(getWiki());
62             nv.setContent(ov.getContent());
63             nv.setMimetype(ov.getMimetype());
64             nv.setAuthor(ov.getAuthor());
65             vm.store(nv);
66
67             return SUCCESS;
68         }
69
70         return INPUT;
71     }
72 }
73
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