1 package net.sourceforge.blogentis.modules.fragments;
2
3 //-----------------------------------------------------------------------
4 //Blogentis - a blog publishing platform.
5 //Copyright (C) 2004 Tassos Bassoukos <abassouk@gmail.com>
6 //
7 //This library is free software; you can redistribute it and/or
8 //modify it under the terms of the GNU Lesser General Public
9 //License as published by the Free Software Foundation; either
10 //version 2.1 of the License, or (at your option) any later version.
11 //
12 //This library is distributed in the hope that it will be useful,
13 //but WITHOUT ANY WARRANTY; without even the implied warranty of
14 //MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 //Lesser General Public License for more details.
16 //
17 //You should have received a copy of the GNU Lesser General Public
18 //License along with this library; if not, write to the Free Software
19 //Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 //-----------------------------------------------------------------------
21 //
22 //$Id: BlogFileList.java,v 1.2 2004/10/28 10:41:40 tassos Exp $
23 //
24
25 import java.util.Stack;
26
27 import net.sourceforge.blogentis.storage.VelocityFragment;
28
29 import org.apache.turbine.services.velocity.TurbineVelocity;
30 import org.apache.turbine.util.RunData;
31 import org.apache.velocity.context.Context;
32
33 public class BlogFileList
34 extends VelocityFragment {
35 protected Stack getStack(Context context) {
36 Stack s = (Stack)context.get("BlogFileList.stack");
37 if (s == null) {
38 s = new Stack();
39 context.put("BlogFileList.stack", s);
40 }
41 return s;
42 }
43
44 public String build(RunData data)
45 throws Exception {
46 try {
47 return super.build(data);
48 } finally {
49 Context context = TurbineVelocity.getContext(data);
50 Stack s = getStack(context);
51 context.put("folder", s.pop());
52 }
53 }
54
55 public VelocityFragment invoke(Context context, Object param) {
56 Stack s = getStack(context);
57 s.push(context.get("folder"));
58 context.put("folder", param);
59 return this;
60 }
61 }