xref: /AOO41X/main/odk/examples/DevelopersGuide/Forms/BooleanValidator.java (revision 34dd1e2512dbacb6a9a7e4c7f17b9296daa8eff3)
1*34dd1e25SAndrew Rist /**************************************************************
2cdf0e10cSrcweir  *
3*34dd1e25SAndrew Rist  * Licensed to the Apache Software Foundation (ASF) under one
4*34dd1e25SAndrew Rist  * or more contributor license agreements.  See the NOTICE file
5*34dd1e25SAndrew Rist  * distributed with this work for additional information
6*34dd1e25SAndrew Rist  * regarding copyright ownership.  The ASF licenses this file
7*34dd1e25SAndrew Rist  * to you under the Apache License, Version 2.0 (the
8*34dd1e25SAndrew Rist  * "License"); you may not use this file except in compliance
9*34dd1e25SAndrew Rist  * with the License.  You may obtain a copy of the License at
10cdf0e10cSrcweir  *
11*34dd1e25SAndrew Rist  *   http://www.apache.org/licenses/LICENSE-2.0
12cdf0e10cSrcweir  *
13*34dd1e25SAndrew Rist  * Unless required by applicable law or agreed to in writing,
14*34dd1e25SAndrew Rist  * software distributed under the License is distributed on an
15*34dd1e25SAndrew Rist  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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19cdf0e10cSrcweir  *
20*34dd1e25SAndrew Rist  *************************************************************/
21*34dd1e25SAndrew Rist 
22*34dd1e25SAndrew Rist 
23cdf0e10cSrcweir 
24cdf0e10cSrcweir /**
25cdf0e10cSrcweir  *
26cdf0e10cSrcweir  * @author  fs93730
27cdf0e10cSrcweir  */
28cdf0e10cSrcweir public class BooleanValidator extends ControlValidator
29cdf0e10cSrcweir {
30cdf0e10cSrcweir     private boolean                         m_preventChecked;
31cdf0e10cSrcweir     private com.sun.star.uno.AnyConverter   m_converter;
32cdf0e10cSrcweir 
33cdf0e10cSrcweir     /** Creates a new instance of BooleanValidator */
BooleanValidator( boolean preventChecked )34cdf0e10cSrcweir     public BooleanValidator( boolean preventChecked )
35cdf0e10cSrcweir     {
36cdf0e10cSrcweir         m_preventChecked = preventChecked;
37cdf0e10cSrcweir         m_converter = new com.sun.star.uno.AnyConverter();
38cdf0e10cSrcweir     }
39cdf0e10cSrcweir 
explainInvalid( Object Value )40cdf0e10cSrcweir     public String explainInvalid( Object Value )
41cdf0e10cSrcweir     {
42cdf0e10cSrcweir         try
43cdf0e10cSrcweir         {
44cdf0e10cSrcweir             if ( m_converter.isVoid( Value ) )
45cdf0e10cSrcweir                 return "'indetermined' is not an allowed state";
46cdf0e10cSrcweir             boolean value = ((Boolean)Value).booleanValue();
47cdf0e10cSrcweir             if ( m_preventChecked && ( value == true ) )
48cdf0e10cSrcweir                 return "no no no. Don't check it.";
49cdf0e10cSrcweir         }
50cdf0e10cSrcweir         catch( java.lang.Exception e )
51cdf0e10cSrcweir         {
52cdf0e10cSrcweir             return "ooops. Unknown error";
53cdf0e10cSrcweir         }
54cdf0e10cSrcweir         return "";
55cdf0e10cSrcweir     }
56cdf0e10cSrcweir 
isValid( Object Value )57cdf0e10cSrcweir     public boolean isValid( Object Value )
58cdf0e10cSrcweir     {
59cdf0e10cSrcweir         try
60cdf0e10cSrcweir         {
61cdf0e10cSrcweir             if ( m_converter.isVoid( Value ) )
62cdf0e10cSrcweir                 return false;
63cdf0e10cSrcweir 
64cdf0e10cSrcweir             boolean value = ((Boolean)Value).booleanValue();
65cdf0e10cSrcweir             if ( m_preventChecked && ( value == true ) )
66cdf0e10cSrcweir                 return false;
67cdf0e10cSrcweir             return true;
68cdf0e10cSrcweir         }
69cdf0e10cSrcweir         catch( java.lang.Exception e )
70cdf0e10cSrcweir         {
71cdf0e10cSrcweir         }
72cdf0e10cSrcweir         return false;
73cdf0e10cSrcweir     }
74cdf0e10cSrcweir }
75