103 lines
3.2 KiB
Java
103 lines
3.2 KiB
Java
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org 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
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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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)
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com.sun.star.uno.AnyConverter.toObject(
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com.sun.star.util.Date.class, 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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