01: /*
02: * $Header: /cvsroot/mvnforum/mvnforum/src/com/mvnforum/categorytree/impl/FtlCategoryTreeListener.java,v 1.5 2007/10/16 05:41:01 lexuanttkhtn Exp $
03: * $Author: lexuanttkhtn $
04: * $Revision: 1.5 $
05: * $Date: 2007/10/16 05:41:01 $
06: *
07: * ====================================================================
08: *
09: * Copyright (C) 2002-2007 by MyVietnam.net
10: *
11: * All copyright notices regarding mvnForum MUST remain
12: * intact in the scripts and in the outputted HTML.
13: * The "powered by" text/logo with a link back to
14: * http://www.mvnForum.com and http://www.MyVietnam.net in
15: * the footer of the pages MUST remain visible when the pages
16: * are viewed on the internet or intranet.
17: *
18: * This program is free software; you can redistribute it and/or modify
19: * it under the terms of the GNU General Public License as published by
20: * the Free Software Foundation; either version 2 of the License, or
21: * any later version.
22: *
23: * This program is distributed in the hope that it will be useful,
24: * but WITHOUT ANY WARRANTY; without even the implied warranty of
25: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26: * GNU General Public License for more details.
27: *
28: * You should have received a copy of the GNU General Public License
29: * along with this program; if not, write to the Free Software
30: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
31: *
32: * Support can be obtained from support forums at:
33: * http://www.mvnForum.com/mvnforum/index
34: *
35: * Correspondence and Marketing Questions can be sent to:
36: * info at MyVietnam net
37: *
38: * @author: Phong Ta Quoc
39: */
40: package com.mvnforum.categorytree.impl;
41:
42: import java.io.IOException;
43: import java.io.StringWriter;
44: import java.util.*;
45:
46: import com.mvnforum.categorytree.CategoryTreeListener;
47:
48: import org.apache.commons.logging.Log;
49: import org.apache.commons.logging.LogFactory;
50:
51: import freemarker.template.Template;
52: import freemarker.template.TemplateException;
53:
54: public abstract class FtlCategoryTreeListener implements
55: CategoryTreeListener {
56:
57: private static Log log = LogFactory
58: .getLog(FtlCategoryTreeListener.class);
59:
60: protected HashMap root;
61: protected Vector rows = new Vector();
62: protected StringWriter html;
63: protected Template template;
64:
65: public void init(Template template) {
66: this .template = template;
67: html = new StringWriter();
68: root = new HashMap();
69: root.put("Rows", rows);
70: }
71:
72: public void process() {
73: try {
74: template.process(root, html);
75: } catch (TemplateException e) {
76: log.error("Cannot Process Template View Member Permission",
77: e);
78: } catch (IOException e) {
79: log.error("Cannot Process Template View Member Permission",
80: e);
81: }
82: }
83:
84: public void commitTemplate(StringBuffer html) {
85: process();
86: html.append(this .html);
87: }
88:
89: public void update(Observable Observable, Object object) {
90: //override it in listener implementation.
91: }
92: }
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