KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > snipsnap > jsp > BackLinkTag


1 /*
2  * This file is part of "SnipSnap Wiki/Weblog".
3  *
4  * Copyright (c) 2002 Stephan J. Schmidt, Matthias L. Jugel
5  * All Rights Reserved.
6  *
7  * Please visit http://snipsnap.org/ for updates and contact.
8  *
9  * --LICENSE NOTICE--
10  * This program is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU General Public License
12  * as published by the Free Software Foundation; either version 2
13  * of the License, or (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23  * --LICENSE NOTICE--
24  */
25 package org.snipsnap.jsp;
26
27 import org.apache.taglibs.standard.lang.support.ExpressionEvaluatorManager;
28 import org.radeox.util.logging.Logger;
29 import org.snipsnap.render.filter.links.BackLinks;
30 import org.snipsnap.snip.Snip;
31
32 import javax.servlet.jsp.JspException JavaDoc;
33 import javax.servlet.jsp.JspWriter JavaDoc;
34 import javax.servlet.jsp.tagext.BodyTag JavaDoc;
35 import javax.servlet.jsp.tagext.TagSupport JavaDoc;
36
37 public class BackLinkTag extends TagSupport JavaDoc {
38   Snip snip = null;
39   int count = 15;
40
41   public int doStartTag() throws JspException JavaDoc {
42     if (snip == null) {
43       return BodyTag.SKIP_BODY;
44     }
45
46     JspWriter JavaDoc out = pageContext.getOut();
47 // Links backLinks = snip.getAccess().getBackLinks();
48
49     BackLinks.appendTo(out, snip.getAccess().getBackLinks(), this.count);
50     return super.doStartTag();
51   }
52
53   public void setCount(int count) {
54     this.count = count;
55     return;
56   }
57
58   public void setSnip(String JavaDoc snip) {
59     try {
60       this.snip = (Snip) ExpressionEvaluatorManager.evaluate("snip", snip, Snip.class, this, pageContext);
61     } catch (JspException JavaDoc e) {
62       Logger.warn("unable to evaluate expression", e);
63     }
64   }
65 }
66
Popular Tags