135 lines
4.3 KiB
Java
135 lines
4.3 KiB
Java
/*************************************************************************
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*
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* $RCSfile: DateValidator.java,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: rt $ $Date: 2005-01-31 16:29:03 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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import com.sun.star.form.binding.*;
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/**
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*
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* @author fs@openoffice.org
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*/
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public class DateValidator extends ControlValidator
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{
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/** Creates a new instance of NumericValidator */
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public DateValidator( )
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{
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}
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public String explainInvalid( Object Value )
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{
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try
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{
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if ( isVoid( Value ) )
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return "empty input";
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com.sun.star.util.Date dateValue = (com.sun.star.util.Date)Value;
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if ( isDedicatedInvalidDate( dateValue ) )
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return "this is no valid date";
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if ( !isNextMonthsDate( dateValue ) )
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return "date must denote a day in the current month";
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}
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catch( java.lang.Exception e )
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{
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return "oops. What did you enter for this to happen?";
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}
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return "";
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}
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public boolean isValid( Object Value )
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{
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try
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{
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if ( isVoid( Value ) )
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return false;
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com.sun.star.util.Date dateValue = (com.sun.star.util.Date)Value;
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if ( isDedicatedInvalidDate( dateValue ) )
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return false;
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if ( !isNextMonthsDate( dateValue ) )
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return false;
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return true;
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}
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catch( java.lang.Exception e )
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{
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e.printStackTrace( System.err );
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}
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return false;
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}
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private boolean isDedicatedInvalidDate( com.sun.star.util.Date dateValue )
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{
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return ( dateValue.Day == 0 ) && ( dateValue.Month == 0 ) && ( dateValue.Year == 0 );
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}
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private boolean isNextMonthsDate( com.sun.star.util.Date dateValue )
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{
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int overallMonth = dateValue.Year * 12 + dateValue.Month - 1;
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int todaysMonth = new java.util.Date().getMonth();
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int todaysYear = new java.util.Date().getYear() + 1900;
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int todaysOverallMonth = todaysYear * 12 + todaysMonth;
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return overallMonth == todaysOverallMonth;
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}
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}
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