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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.jxpath;
18  
19  import java.util.Iterator;
20  import java.util.Map;
21  import java.util.Set;
22  
23  /**
24   * Implements the DynamicPropertyHandler interface for {@link java.util.Map}.
25   *
26   * @author Dmitri Plotnikov
27   * @version $Revision: 652845 $ $Date: 2008-05-02 13:46:46 -0400 (Fri, 02 May 2008) $
28   */
29  public class MapDynamicPropertyHandler implements DynamicPropertyHandler {
30  
31      public String[] getPropertyNames(Object object) {
32          Map map = (Map) object;
33          Set set = map.keySet();
34          String[] names = new String[set.size()];
35          Iterator it = set.iterator();
36          for (int i = 0; i < names.length; i++) {
37              names[i] = String.valueOf(it.next());
38          }
39          return names;
40      }
41  
42      public Object getProperty(Object object, String propertyName) {
43          return ((Map) object).get(propertyName);
44      }
45  
46      public void setProperty(Object object, String propertyName, Object value) {
47          ((Map) object).put(propertyName, value);
48      }
49  }