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Java > Open Source Codes > org > dspace > app > webui > jsptag > SidebarTag


1 /*
2  * SidebarTag.java
3  *
4  * Version: $Revision: 1.5 $
5  *
6  * Date: $Date: 2005/04/20 14:23:01 $
7  *
8  * Copyright (c) 2002-2005, Hewlett-Packard Company and Massachusetts
9  * Institute of Technology. All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions are
13  * met:
14  *
15  * - Redistributions of source code must retain the above copyright
16  * notice, this list of conditions and the following disclaimer.
17  *
18  * - Redistributions in binary form must reproduce the above copyright
19  * notice, this list of conditions and the following disclaimer in the
20  * documentation and/or other materials provided with the distribution.
21  *
22  * - Neither the name of the Hewlett-Packard Company nor the name of the
23  * Massachusetts Institute of Technology nor the names of their
24  * contributors may be used to endorse or promote products derived from
25  * this software without specific prior written permission.
26  *
27  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
30  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
31  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
32  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
33  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
34  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
35  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
36  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
37  * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
38  * DAMAGE.
39  */
40 package org.dspace.app.webui.jsptag;
41
42 import javax.servlet.jsp.JspException JavaDoc;
43 import javax.servlet.jsp.tagext.BodyTagSupport JavaDoc;
44 import javax.servlet.jsp.tagext.TagSupport JavaDoc;
45
46 /**
47  * Tag for including a "sidebar" - a column on the right-hand side of the page.
48  * Must be used within a dspace:layout tag.
49  *
50  * @author Peter Breton
51  * @version $Revision: 1.5 $
52  */
53 public class SidebarTag extends BodyTagSupport JavaDoc
54 {
55     public SidebarTag()
56     {
57         super();
58     }
59
60     public int doAfterBody() throws JspException JavaDoc
61     {
62         LayoutTag tag = (LayoutTag) TagSupport.findAncestorWithClass(this,
63                 LayoutTag.class);
64
65         if (tag == null)
66         {
67             throw new JspException JavaDoc(
68                     "Sidebar tag must be in an enclosing Layout tag");
69         }
70
71         tag.setSidebar(getBodyContent().getString());
72
73         return SKIP_BODY;
74     }
75 }
76
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