001    /*
002     * Copyright 1999,2004 The Apache Software Foundation.
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 implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    
017    package org.apache.commons.feedparser.network;
018    
019    import java.util.EventListener;
020    
021    /**
022     * An AggregationEventListener provides event dispatch from the core Aggregation
023     * class to implementors of the AggregationEventListener interface.
024     * 
025     * Note that all NetworkEventListeners should be threadsafe.
026     *
027     * @author <a href="mailto:burton@openprivacy.org">Kevin A. Burton</a>
028     * @version $Id: NetworkEventListener.java 373622 2006-01-30 22:53:00Z mvdb $
029     */
030    public interface NetworkEventListener extends EventListener {
031    
032        /**
033         * Called once per request.
034         *
035         * 
036         */
037        public void init( DataEvent event );
038        
039        public void dataEvent( DataEvent event );
040    
041        /**
042         * Called when this stream is closed.
043         */
044        public void onClosed();
045        
046    }