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1   package org.apache.commons.ognl;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.util.Map;
23  
24  /**
25   * Implementation of NullHandler that returns null in all cases, so that NullPointerException will be thrown by the
26   * caller.
27   * 
28   * @author Luke Blanshard (blanshlu@netscape.net)
29   * @author Drew Davidson (drew@ognl.org)
30   */
31  public class ObjectNullHandler
32      implements NullHandler
33  {
34      /* NullHandler interface */
35      public Object nullMethodResult( Map<String, Object> context, Object target, String methodName, Object[] args )
36      {
37          return null;
38      }
39  
40      public Object nullPropertyValue( Map<String, Object> context, Object target, Object property )
41      {
42          return null;
43      }
44  }