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Java > Open Source Codes > com > jsptags > navigation > pager > JumpTagExtraInfo


1 /*
2  * Pager Tag Library
3  *
4  * Copyright (C) 2002 James Klicman <james@jsptags.com>
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19  */

20
21 package com.jsptags.navigation.pager;
22
23 import javax.servlet.jsp.*;
24 import javax.servlet.jsp.tagext.*;
25
26 public final class JumpTagExtraInfo extends PageTagExtraInfo {
27
28     public boolean isValid(TagData tagData) {
29         if (!super.isValid(tagData))
30             return false;
31
32         Object JavaDoc val = tagData.getAttribute("unless");
33         if (val != null && val != TagData.REQUEST_TIME_VALUE &&
34             val instanceof String JavaDoc)
35         {
36             String JavaDoc unless = (String JavaDoc) val;
37
38             return (JumpTagSupport.INDEXED.equals(unless) ||
39                     JumpTagSupport.CURRENT.equals(unless));
40         }
41         return true;
42     }
43 }
44
45 /* vim:set ts=4 sw=4: */
46
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