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.configuration;
18  
19  import java.util.Iterator;
20  
21  /***
22   * A specialized configuration implementation that does not support cloning.
23   * This class is only used in some test cases for testing implementations of
24   * clone() methods. It does not make much sense otherwise; all methods are just
25   * dummies.
26   *
27   * @version $Id: NonCloneableConfiguration.java 439648 2006-09-02 20:42:10Z oheger $
28   */
29  public class NonCloneableConfiguration extends AbstractConfiguration
30  {
31      /***
32       * Dummy implementation of this method.
33       */
34      protected void addPropertyDirect(String key, Object value)
35      {
36      }
37  
38      /***
39       * Dummy implementation of this method.
40       */
41      public boolean isEmpty()
42      {
43          return true;
44      }
45  
46      /***
47       * Dummy implementation of this method.
48       */
49      public boolean containsKey(String key)
50      {
51          return false;
52      }
53  
54      /***
55       * Dummy implementation of this method.
56       */
57      public Iterator getKeys()
58      {
59          return null;
60      }
61  
62      /***
63       * Dummy implementation of this method.
64       */
65      public Object getProperty(String key)
66      {
67          return null;
68      }
69  }