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


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.SnipLinks;
30 import org.snipsnap.snip.Links;
31 import org.snipsnap.snip.Snip;
32
33 import javax.servlet.jsp.JspException JavaDoc;
34 import javax.servlet.jsp.JspWriter JavaDoc;
35 import javax.servlet.jsp.tagext.BodyTag JavaDoc;
36 import javax.servlet.jsp.tagext.TagSupport JavaDoc;
37
38 public class SnipLinkTag extends TagSupport JavaDoc {
39   Snip snip = null;
40   String JavaDoc start = "#ffffff";
41   String JavaDoc end = "#b0b0b0";
42   int width = 4;
43
44   public int doStartTag() throws JspException JavaDoc {
45     if (snip == null) {
46       return BodyTag.SKIP_BODY;
47     }
48
49     JspWriter JavaDoc out = pageContext.getOut();
50     Links snipLinks = snip.getAccess().getSnipLinks();
51     SnipLinks.appendTo(out, snip.getAccess().getSnipLinks(), this.width, this.start, this.end);
52
53     return super.doStartTag();
54   }
55
56   public void setStart(String JavaDoc start) {
57     this.start = start;
58   }
59
60   public void setEnd(String JavaDoc end) {
61     this.end = end;
62   }
63
64   public void setWidth(int width) {
65     this.width = width;
66   }
67
68   public void setSnip(String JavaDoc snip) {
69     try {
70       this.snip = (Snip) ExpressionEvaluatorManager.evaluate("snip", snip, Snip.class, this, pageContext);
71     } catch (JspException JavaDoc e) {
72       Logger.warn("unable to evaluate expression", e);
73     }
74   }
75 }
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