001    // Copyright 2005 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry.listener;
016    
017    /**
018     * A service which provides access to
019     * {@link org.apache.tapestry.listener.ListenerMap}  objects.
020     * 
021     * @author Howard M. Lewis Ship
022     * @since 4.0
023     */
024    public interface ListenerMapSource
025    {
026    
027        /**
028         * Constructs a listener map for the provided object, which must not be
029         * null.
030         * 
031         * @param object
032         *            the object to provide a map for
033         * @return a ListenerMap configured for the object
034         */
035    
036        ListenerMap getListenerMapForObject(Object object);
037    }