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Java > Open Source Codes > net > killingar > webwork > view > taglib > ContextTag


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 /**
27  * Push a value from the ValueStack onto the request context.
28  */
29
30 package net.killingar.webwork.view.taglib;
31
32 import javax.servlet.jsp.JspException JavaDoc;
33 import javax.servlet.jsp.PageContext JavaDoc;
34
35 public class ContextTag extends webwork.view.taglib.WebWorkTagSupport
36 {
37    // Attributes ----------------------------------------------------
38 protected String JavaDoc valueAttr;
39    protected Boolean JavaDoc escape;
40
41    // Public --------------------------------------------------------
42 public void setValue(String JavaDoc inName)
43    {
44       valueAttr = inName;
45    }
46
47    // BodyTag implementation ----------------------------------------
48 public int doStartTag() throws JspException JavaDoc
49    {
50       Object JavaDoc value = findValue(valueAttr);
51
52       String JavaDoc id = getId();
53
54             pageContext.setAttribute(id, value);
55             pageContext.setAttribute(id, value, PageContext.REQUEST_SCOPE);
56
57       return SKIP_BODY;
58    }
59
60    public int doEndTag() throws JspException JavaDoc
61    {
62       return EVAL_PAGE;
63    }
64 }
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