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Java > Open Source Codes > org > enhydra > barracuda > core > event > HttpResponseEvent


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: HttpResponseEvent.java,v 1.6 2004/02/01 05:16:28 christianc Exp $
19  */

20 package org.enhydra.barracuda.core.event;
21
22 import java.io.*;
23 import java.util.*;
24 import javax.servlet.*;
25 import javax.servlet.http.*;
26
27 /**
28  * A HttpResponseEvent indicates that we received an HTTP Response.
29  * Events which extend this class typically generate the
30  * View portion the Model 2 approach
31  */

32 public class HttpResponseEvent extends ViewEvent implements Exceptional {
33     /**
34      * Default noargs constructor
35      */

36     public HttpResponseEvent() {super();}
37
38     /**
39      * Public constructor. Automatically sets parameters associated
40      * with the event with a URL string of the form "key1=val1&key2=val2&..."
41      * (the param str may be prefixed by a '?')
42      */

43     public HttpResponseEvent(String JavaDoc urlParamStr) {
44         super(urlParamStr);
45     }
46
47     /**
48      * Public constructor. Automatically sets the source parameter.
49      * If you do not use this method you should manually set the
50      * source before dispatching the event.
51      */

52     public HttpResponseEvent(Object JavaDoc source) {
53         super(source);
54     }
55
56     /**
57      * Describe the event chaining stategy. This method really
58      * serves to ensure that objects cannot implement BOTH
59      * Polymorphic and Exceptional (it's got to be one or the other)
60      *
61      * @return string describing the event chain strategy
62      */

63     public String JavaDoc describeEventChainingStrategy() {
64         return Exceptional.class.getName();
65     }
66 }
67
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