    001    /*
    002     * Licensed to the Apache Software Foundation (ASF) under one or more
    003     * contributor license agreements.  See the NOTICE file distributed with
    004     * this work for additional information regarding copyright ownership.
    005     * The ASF licenses this file to You under the Apache License, Version 2.0
    006     * (the "License"); you may not use this file except in compliance with
    007     * the License.  You may obtain a copy of the License at
    008     *
    009     *     http://www.apache.org/licenses/LICENSE-2.0
    010     *
    011     * Unless required by applicable law or agreed to in writing, software
    012     * distributed under the License is distributed on an "AS IS" BASIS,
    013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014     * See the License for the specific language governing permissions and
    015     * limitations under the License.
    016     */
    017    package org.apache.commons.jxpath;
    018
    019    import java.util.Iterator;
    020    import java.util.Map;
    021    import java.util.Set;
    022
    023    /**
    024     * Implements the DynamicPropertyHandler interface for {@link java.util.Map}.
    025     *
    026     * @author Dmitri Plotnikov
    027     * @version $Revision: 652845 $ $Date: 2008-05-02 12:46:46 -0500 (Fri, 02 May 2008) $
    028     */
    029    public class MapDynamicPropertyHandler implements DynamicPropertyHandler {
    030
    031        public String[] getPropertyNames(Object object) {
    032            Map map = (Map) object;
    033            Set set = map.keySet();
    034            String[] names = new String[set.size()];
    035            Iterator it = set.iterator();
    036            for (int i = 0; i < names.length; i++) {
    037                names[i] = String.valueOf(it.next());
    038            }
    039            return names;
    040        }
    041
    042        public Object getProperty(Object object, String propertyName) {
    043            return ((Map) object).get(propertyName);
    044        }
    045
    046        public void setProperty(Object object, String propertyName, Object value) {
    047            ((Map) object).put(propertyName, value);
    048        }
    049    }