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Java > Open Source Codes > org > enhydra > barracuda > examples > ex4 > SampleScreen


1 /*
2  * Copyright (C) 2003 Christian Cryder [christianc@granitepeaks.com]
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17  *
18  * $Id: SampleScreen.java,v 1.9 2004/02/01 05:16:28 christianc Exp $
19  */
20 package org.enhydra.barracuda.examples.ex4;
21
22 import java.io.*;
23 import java.util.*;
24 import java.net.*;
25 import javax.servlet.*;
26 import javax.servlet.http.*;
27
28 import org.enhydra.barracuda.core.event.*;
29 import org.enhydra.barracuda.examples.ex4.events.*;
30
31
32 /**
33  * A sample screen
34  */
35 public class SampleScreen extends DefaultEventGateway {
36
37     public ListenerFactory testFactory = new DefaultListenerFactory() {public BaseEventListener getInstance() {return new TestHandler();} public String JavaDoc getListenerID() {return getID(TestHandler.class);}};
38     
39     //------------------------------------------------------------
40 // Model 2 - Controller Event Handlers
41 //------------------------------------------------------------
42 /**
43      * TestHandlers - handle the request to get the test
44      * screen.
45      */
46     class TestHandler extends DefaultBaseEventListener {
47         public void handleControlEvent(ControlEventContext context) throws EventException, ServletException, IOException {
48             //in this case, we're not really doing anything special, so just
49 //redirect to the RenderLogin view
50 context.putState(SampleViewHandler.HANDLED_BY, "Sample Screen Handler");
51             context.getQueue().addEvent(new RenderEvent(context.getEvent()));
52         }
53     }
54 }
55
56
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