    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  }