1 /* (c) Copyright 2003 Caleigo AB, All rights reserved.
2 *
3 * This library is free software; you can redistribute it and/or
4 * modify it under the terms of the GNU Lesser General Public
5 * License as published by the Free Software Foundation; either
6 * version 2.1 of the License, or (at your option) any later version.
7 *
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * Lesser General Public License for more details.
12 *
13 * You should have received a copy of the GNU Lesser General Public
14 * License along with this library; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 *
17 */
18
19 package org.caleigo.core;
20
21 /*** <Description of IDataValidator>
22 *
23 * @author Dennis Zikovic
24 * @version 1.00
25 *
26 *//*
27 *
28 * WHEN WHO WHY & WHAT
29 * ------------------------------------------------------------------------------
30 * 2002-09-11 Dennis Zikovic Creation
31 */
32 public interface IDataValidator
33 {
34 // Methods -----------------------------------------------------------------
35
36 /*** This method returns true if the called IDataValidator can validate
37 * data in the context of the provided IDataProvider object.
38 */
39 public boolean canValidate(IDataProvider dataProvider);
40
41 /*** This method returns true if the provided data is valid in the context
42 * of the provided IDataProvider object.
43 */
44 public boolean isDataValid(Object data, IDataProvider dataProvider);
45
46 /*** Returs an end-user displayable text describing the failed validation.
47 */
48 public String getInvalidMessage(Object data, IDataProvider dataProvider);
49 }