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Java > Open Source Codes > com > tonbeller > wcf > component > FormListener


1 /*
2  * ====================================================================
3  * This software is subject to the terms of the Common Public License
4  * Agreement, available at the following URL:
5  * http://www.opensource.org/licenses/cpl.html .
6  * Copyright (C) 2003-2004 TONBELLER AG.
7  * All Rights Reserved.
8  * You must accept the terms of that agreement to use this software.
9  * ====================================================================
10  *
11  *
12  */
13 package com.tonbeller.wcf.component;
14
15 import com.tonbeller.wcf.controller.RequestContext;
16
17 /**
18  * FormListeners are notified about form changes.
19  * @author av
20  */
21 public interface FormListener {
22   /**
23    * validates user input and updates the model
24    * @return true if validation was successful
25    */
26   boolean validate(RequestContext context);
27   
28   /**
29    * reverts this component to model values
30    */
31   void revert(RequestContext context);
32 }
33
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