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 */
017package org.apache.commons.jxpath;
018
019import java.util.Iterator;
020import java.util.Map;
021import 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 13:46:46 -0400 (Fri, 02 May 2008) $
028 */
029public 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}