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Java > Open Source Codes > org > objectweb > jonas > webapp > taglib > RefreshTreeTag


1 /*
2  * JOnAS: Java(TM) Open Application Server
3  * Copyright (C) 1999 Bull S.A.
4  * Contact: jonas-team@objectweb.org
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 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
19  * USA
20  *
21  * --------------------------------------------------------------------------
22  * $Id: RefreshTreeTag.java,v 1.2 2004/03/19 14:31:50 sauthieg Exp $
23  * --------------------------------------------------------------------------
24  */
25
26 package org.objectweb.jonas.webapp.taglib;
27
28 import java.io.IOException JavaDoc;
29
30 import javax.servlet.jsp.JspException JavaDoc;
31 import javax.servlet.jsp.JspWriter JavaDoc;
32
33 /**
34  * @author Michel-Ange ANTON
35  */
36 public class RefreshTreeTag extends WhereAreYouTag {
37
38 // ----------------------------------------------------- Constants
39
40 // ----------------------------------------------------- Instance Variables
41
42 // ----------------------------------------------------- Properties
43
44 // ----------------------------------------------------- Public Methods
45
46     /**
47      * Render this instant actions control.
48      *
49      * @return Constant EVAL_PAGE
50      * @exception JspException if a processing error occurs
51      */
52     public int doEndTag()
53         throws JspException JavaDoc {
54         JspWriter JavaDoc out = pageContext.getOut();
55         try {
56             render(out);
57         }
58         catch (IOException JavaDoc e) {
59             throw new JspException JavaDoc(e);
60         }
61         return (EVAL_PAGE);
62     }
63
64 // -------------------------------------------------------- Protected Methods
65
66     protected void render(JspWriter JavaDoc out)
67         throws IOException JavaDoc, JspException JavaDoc {
68         // Action to refresh associate tree
69 if (isTreeToRefresh() == true) {
70             out.print("<script language=\"JavaScript\">");
71             out.print("refreshTree(\"");
72             out.print(getUrlToRefreshSelectedNode());
73             out.print("\");");
74             out.println("</script>");
75         }
76     }
77 }
78
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