NullPropertySource


1   // Copyright 2004, 2005 The Apache Software Foundation
2   //
3   // Licensed under the Apache License, Version 2.0 (the "License");
4   // you may not use this file except in compliance with the License.
5   // You may obtain a copy of the License at
6   //
7   //     http://www.apache.org/licenses/LICENSE-2.0
8   //
9   // Unless required by applicable law or agreed to in writing, software
10  // distributed under the License is distributed on an "AS IS" BASIS,
11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  // See the License for the specific language governing permissions and
13  // limitations under the License.
14  
15  package org.apache.tapestry.junit.mock.c21;
16  
17  import org.apache.tapestry.engine.IPropertySource;
18  
19  /**
20   * Empty implementation just to exercise some code paths in
21   * {@link org.apache.tapestry.engine.AbstractEngine}.
22   * 
23   * @author Howard Lewis Ship
24   * @since 3.0
25   */
26  
27  public class NullPropertySource implements IPropertySource
28  {
29  
30      public String   getPropertyValue(String   propertyName)
31      {
32          return null;
33      }
34  
35  }
36

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