KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > net > killingar > actions > ViewFile


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;
27
28
29
30 public class ViewFile
31    extends ListDirectory //PathActionSupport
32 {
33     // Types ---------------------------------------------------------
34
35     // Attributes ----------------------------------------------------
36 String JavaDoc name;
37     String JavaDoc next;
38     String JavaDoc prev;
39     File file;
40
41     // setters ------------------------------------------------------
42 public void setName(String JavaDoc in) { name = in; }
43
44     // getters ------------------------------------------------------
45 public String JavaDoc getName() { return name; }
46     public File getFile() { return file; }
47     public String JavaDoc getNext() { return next; }
48     public String JavaDoc getPrev() { return prev; }
49
50     // Implementation ------------------------------------------------
51 public String JavaDoc doExecute()
52     {
53         super.doExecute();
54
55         try
56         {
57             for (int i = 0; i < files.length; i++)
58             {
59                 String JavaDoc name = ((File)files[i]).getName();
60
61                 if (name.equalsIgnoreCase(this.name))
62                 {
63                     file = (File)files[i];
64
65                     if (i == 0)
66                         prev = ((File)files[files.length-1]).getName();
67                     else
68                         prev = ((File)files[i-1]).getName();
69
70                     if (i == files.length-1)
71                         next = ((File)files[0]).getName();
72                     else
73                         next = ((File)files[i+1]).getName();
74                 }
75             }
76         }
77         catch (Exception JavaDoc e)
78         {
79             addErrorMessage("failed to display file at path "+realPath+" ("+e.toString()+")");
80
81             StackTraceElement JavaDoc[] s = e.getStackTrace();
82             for (int i = 0; i < s.length; i++)
83                 addErrorMessage(s[i].toString());
84
85             return ERROR;
86         }
87
88         return SUCCESS;
89     }
90 }
Popular Tags