001    /*
002     * Copyright 2005 Stephen J. McConnell.
003     *
004     * Licensed  under the  Apache License,  Version 2.0  (the "License");
005     * you may not use  this file  except in  compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     *   http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed  under the  License is distributed on an "AS IS" BASIS,
012     * WITHOUT  WARRANTIES OR CONDITIONS  OF ANY KIND, either  express  or
013     * implied.
014     *
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    
019    package net.dpml.util;
020    
021    import java.util.EventObject;
022    import java.util.EventListener;
023    
024    /**
025     * Interface implemented by objects that maintain a collection of event listeners
026     * and support for operational event propergation.
027     *
028     * @author <a href="http://www.dpml.net">Digital Product Meta Library</a>
029     * @version 1.0.3
030     */
031    public interface EventHandler
032    {
033       /**
034        * Return the associated event listeners.
035        * @return the event listeners
036        */
037        EventListener[] getEventListeners();
038        
039       /**
040        * Process the supplied event.
041        * @param event the event to be processed
042        */
043        void processEvent( EventObject event );
044    }