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27 package integration.forms;
28 
29 import com.sun.star.form.binding.*;
30 
31 /**
32  *
33  * @author  fs@openoffice.org
34  */
35 public class TimeValidator extends integration.forms.ControlValidator
36 {
37 
38     /** Creates a new instance of NumericValidator */
39     public TimeValidator( )
40     {
41     }
42 
43     public String explainInvalid( Object Value )
44     {
45         try
46         {
47             if ( isVoid( Value ) )
48                 return "empty input";
49 
50             com.sun.star.util.Time timeValue = (com.sun.star.util.Time)Value;
51             if ( isInvalidTime( timeValue ) )
52                 return "this is no valid time";
53             if ( !isFullHour( timeValue ) )
54                 return "time must denote a full hour";
55         }
56         catch( java.lang.Exception e )
57         {
58             return "this is no valid time";
59         }
60         return "";
61     }
62 
63     public boolean isValid( Object Value )
64     {
65         try
66         {
67             if ( isVoid( Value ) )
68                 return false;
69 
70             com.sun.star.util.Time timeValue = (com.sun.star.util.Time)
71                 com.sun.star.uno.AnyConverter.toObject(
72                     com.sun.star.util.Time.class, Value);
73             if ( isInvalidTime( timeValue ) )
74                 return false;
75             if ( !isFullHour( timeValue ) )
76                 return false;
77             return true;
78         }
79         catch( java.lang.Exception e )
80         {
81             e.printStackTrace( System.err );
82         }
83         return false;
84     }
85 
86     private boolean isInvalidTime( com.sun.star.util.Time timeValue )
87     {
88         return ( timeValue.Hours == -1 ) && ( timeValue.Minutes == -1 ) && ( timeValue.Seconds == -1 ) && ( timeValue.HundredthSeconds == -1 );
89     }
90 
91     private boolean isFullHour( com.sun.star.util.Time timeValue )
92     {
93         return ( timeValue.Minutes == 0 ) && ( timeValue.Seconds == 0 ) && ( timeValue.HundredthSeconds == 0 );
94     }
95 }
96