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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.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 1222456 2011-12-22 21:11:39Z oheger $
28   */
29  public class NonCloneableConfiguration extends AbstractConfiguration
30  {
31      /**
32       * Dummy implementation of this method.
33       */
34      @Override
35      protected void addPropertyDirect(String key, Object value)
36      {
37      }
38  
39      /**
40       * Dummy implementation of this method.
41       */
42      public boolean isEmpty()
43      {
44          return true;
45      }
46  
47      /**
48       * Dummy implementation of this method.
49       */
50      public boolean containsKey(String key)
51      {
52          return false;
53      }
54  
55      /**
56       * Dummy implementation of this method.
57       */
58      public Iterator<String> getKeys()
59      {
60          return null;
61      }
62  
63      /**
64       * Dummy implementation of this method.
65       */
66      public Object getProperty(String key)
67      {
68          return null;
69      }
70  }