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/*
* 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 .
*/
/** base class for components validating the content of form controls
*
* @author fs@openoffice.org
*/
public abstract class ControlValidator implements com.sun.star.form.validation.XValidator
{
/** Creates a new instance of ControlValidator */
public ControlValidator()
{
}
public void addValidityConstraintListener(com.sun.star.form.validation.XValidityConstraintListener xValidityConstraintListener)
{
}
public void removeValidityConstraintListener(com.sun.star.form.validation.XValidityConstraintListener xValidityConstraintListener)
{
}
protected boolean isVoid( Object Value )
{
try
{
return ( com.sun.star.uno.AnyConverter.getType(Value).getTypeClass()
== com.sun.star.uno.TypeClass.VOID );
}
catch( java.lang.ClassCastException e )
{
}
return false;
}
}
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