001    /* $Id: LoaderSetProperties.java 471661 2006-11-06 08:09:25Z skitching $
002     *
003     * Licensed to the Apache Software Foundation (ASF) under one or more
004     * contributor license agreements.  See the NOTICE file distributed with
005     * this work for additional information regarding copyright ownership.
006     * The ASF licenses this file to You under the Apache License, Version 2.0
007     * (the "License"); you may not use this file except in compliance with
008     * the License.  You may obtain a copy of the License at
009     * 
010     *      http://www.apache.org/licenses/LICENSE-2.0
011     * 
012     * Unless required by applicable law or agreed to in writing, software
013     * distributed under the License is distributed on an "AS IS" BASIS,
014     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */ 
018     
019    package org.apache.commons.digester.plugins.strategies;
020    
021    import org.apache.commons.digester.Digester;
022    import org.apache.commons.logging.Log;
023    import org.apache.commons.digester.plugins.RuleLoader;
024    
025    /**
026     * A RuleLoader which creates a single SetPropertiesRule and adds it to the
027     * digester when its addRules() method is invoked.
028     * <p>
029     * This loader ensures that any xml attributes on the plugin tag get
030     * mapped to equivalent properties on a javabean. This allows JavaBean
031     * classes to be used as plugins without any requirement to create custom
032     * plugin rules.
033     *
034     * @since 1.6
035     */
036    
037    public class LoaderSetProperties extends RuleLoader {
038        
039        /**
040         * Just add a SetPropertiesRule at the specified path.
041         */
042        public void addRules(Digester digester, String path) {
043            Log log = digester.getLogger();
044            boolean debug = log.isDebugEnabled();
045            if (debug) {
046                log.debug(
047                    "LoaderSetProperties loading rules for plugin at path [" 
048                    + path + "]");
049            }
050    
051            digester.addSetProperties(path);
052        }
053    }
054