/*---------------- FILE HEADER ------------------------------------------
This file is part of deegree.
Copyright (C) 2001-2006 by:
EXSE, Department of Geography, University of Bonn
http://www.giub.uni-bonn.de/deegree/
lat/lon GmbH
http://www.lat-lon.de
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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 for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact:
Andreas Poth
lat/lon GmbH
Aennchenstr. 19
53115 Bonn
Germany
E-Mail: poth@lat-lon.de
Prof. Dr. Klaus Greve
Department of Geography
University of Bonn
Meckenheimer Allee 166
53115 Bonn
Germany
E-Mail: greve@giub.uni-bonn.de
---------------------------------------------------------------------------*/
package org.deegree.enterprise.control;
/**
* This abstract <tt>Listener</tt> ensures that only privileged
* users have access to the services provided by derived
* implementations.
* <p>
* - This class is extended by Listeners that may require security checks.
* - The extended classes may then be extended again by an concrete
* implementation (with a certain security model) that overwrites the
* "actionPerformed"-method to perform the security check.
* <p>
* @author <a href="mschneider@lat-lon.de">Markus Schneider</a>
*/
public abstract class AbstractSecuredListener extends AbstractListener {
/**
* Has to be overwritten by the concrete <tt>Listener</tt>.
* <p>
* @param event
*/
public void actionPerformed (FormEvent event) {
// security checks go here
performPrivilegedOperation (event);
}
/**
* @param event
*/
public abstract void performPrivilegedOperation (FormEvent event);
}
/* ********************************************************************
Changes to this class. What the people have been up to:
$Log: AbstractSecuredListener.java,v $
Revision 1.6 2006/07/29 08:49:25 poth
references to deprecated classes removed
Revision 1.5 2006/07/12 14:46:17 poth
comment footer added
********************************************************************** */