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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
import com.sun.star.form.binding.*;
/**
*
* @author fs@openoffice.org
*/
public class NumericValidator extends ControlValidator
{
/** Creates a new instance of NumericValidator */
public NumericValidator( )
{
}
public String explainInvalid( Object Value )
{
try
{
double value = ((Double)Value).doubleValue();
if ( Double.compare( Double.NaN, value ) == 0 )
return "This is NotANumber";
if ( !isProperRange( value ) )
return "The value must be between 0 and 100";
if ( !isProperDigitCount( value ) )
return "The value must have at most one decimal digit";
}
catch( java.lang.Exception e )
{
return "This is no valid number";
}
return "";
}
public boolean isValid( Object Value )
{
try
{
double value = ((Double)Value).doubleValue();
if ( Double.compare( Double.NaN, value ) == 0 )
return false;
if ( !isProperRange( value ) )
return false;
if ( !isProperDigitCount( value ) )
return false;
return true;
}
catch( java.lang.Exception e )
{
}
return false;
}
private boolean isProperRange( double value)
{
return ( value >= 0 ) && ( value <= 100 );
}
private boolean isProperDigitCount( double value)
{
return ( java.lang.Math.floor( value * 10 ) == value * 10 );
}
}
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