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/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
public class DateValidator extends ControlValidator
{
/** Creates a new instance of NumericValidator */
public DateValidator( )
{
}
public String explainInvalid( Object Value )
{
try
{
if ( isVoid( Value ) )
return "empty input";
com.sun.star.util.Date dateValue = (com.sun.star.util.Date)Value;
if ( isDedicatedInvalidDate( dateValue ) )
return "this is no valid date";
if ( !isNextMonthsDate( dateValue ) )
return "date must denote a day in the current month";
}
catch( java.lang.Exception e )
{
return "oops. What did you enter for this to happen?";
}
return "";
}
public boolean isValid( Object Value )
{
try
{
if ( isVoid( Value ) )
return false;
com.sun.star.util.Date dateValue = (com.sun.star.util.Date)
com.sun.star.uno.AnyConverter.toObject(
com.sun.star.util.Date.class, Value);
if ( isDedicatedInvalidDate( dateValue ) )
return false;
if ( !isNextMonthsDate( dateValue ) )
return false;
return true;
}
catch( java.lang.Exception e )
{
e.printStackTrace( System.err );
}
return false;
}
private boolean isDedicatedInvalidDate( com.sun.star.util.Date dateValue )
{
return ( dateValue.Day == 0 ) && ( dateValue.Month == 0 ) && ( dateValue.Year == 0 );
}
private boolean isNextMonthsDate( com.sun.star.util.Date dateValue )
{
int overallMonth = dateValue.Year * 12 + dateValue.Month - 1;
int todaysMonth = new java.util.Date().getMonth();
int todaysYear = new java.util.Date().getYear() + 1900;
int todaysOverallMonth = todaysYear * 12 + todaysMonth;
return overallMonth == todaysOverallMonth;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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