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   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   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   describeEventChainingStrategy() {
64          return Exceptional.class.getName();
65      }
66  }
67
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