1
2 /*
3 * Copyright (C) 2005 by Arno Schumacher
4 *
5 * This file is part of net.sourceforge.servletspy
6 *
7 * net.sourceforge.servletspy is free software; you can redistribute
8 * it and/or modify it under the terms of the GNU General Public
9 * License as published by the Free Software Foundation; either
10 * version 2, or (at your option) any later version.
11 *
12 * net.sourceforge.servletspy is distributed in the hope that it will
13 * be useful, but WITHOUT ANY WARRANTY; without even the implied
14 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
15 * See the GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA
20 */
21
22 package net.sourceforge.servletspy.handler.std;
23
24 import net.sourceforge.servletspy.IContext;
25 import net.sourceforge.servletspy.IContextHandler;
26 import net.sourceforge.servletspy.config.Param;
27
28 /***
29 * @author arno schumacher
30 */
31 public final class NullHandler implements IContextHandler {
32 /* (non-Javadoc)
33 * @see net.sourceforge.servletspy.ILifecycle#init(net.sourceforge.servletspy.config.Param[])
34 */
35 public void init(final Param[] params) {
36 }
37
38 /* (non-Javadoc)
39 * @see net.sourceforge.servletspy.ILifecycle#destroy()
40 */
41 public void destroy() {
42 }
43
44 /* (non-Javadoc)
45 * @see net.sourceforge.servletspy.IContextHandler#handle(net.sourceforge.servletspy.IContext)
46 */
47 public void handle(final IContext context) throws Exception {
48 if (context.getSubject() == null) {
49 context.setValue("<null>");
50 } else {
51 context.proceed();
52 }
53 }
54 }