MetaExpandoProperty


1   /*
2    * $Id: MetaExpandoProperty.java,v 1.1 2004/07/20 22:26:46 jstump Exp $
3    *
4    * Copyright 2004 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
5    *
6    * Redistribution and use of this software and associated documentation
7    * ("Software"), with or without modification, are permitted provided that the
8    * following conditions are met:
9    *  1. Redistributions of source code must retain copyright statements and
10   * notices. Redistributions must also contain a copy of this document.
11   *  2. Redistributions in binary form must reproduce the above copyright
12   * notice, this list of conditions and the following disclaimer in the
13   * documentation and/or other materials provided with the distribution.
14   *  3. The name "groovy" must not be used to endorse or promote products
15   * derived from this Software without prior written permission of The Codehaus.
16   * For written permission, please contact info@codehaus.org.
17   *  4. Products derived from this Software may not be called "groovy" nor may
18   * "groovy" appear in their names without prior written permission of The
19   * Codehaus. "groovy" is a registered trademark of The Codehaus.
20   *  5. Due credit should be given to The Codehaus - http://groovy.codehaus.org/
21   *
22   * THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS ``AS IS'' AND ANY
23   * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
24   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
25   * DISCLAIMED. IN NO EVENT SHALL THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR
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31   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
32   * DAMAGE.
33   *
34   */
35   
36  package groovy.lang;
37  
38  import java.util.Map  ;
39  import java.util.Map.Entry;
40  
41  /**
42   * Represents a property in an Expando object
43   * 
44   * @author John Stump
45   * @version $Revision: 1.1 $
46   */
47  public class MetaExpandoProperty extends MetaProperty {
48  
49      Object   value = null;
50      
51      public MetaExpandoProperty(Entry entry) {
52          super((String  ) entry.getKey(), Object  .class);
53          
54          value = entry.getValue();
55      }
56  
57      /**
58       * @return the property of the given object
59       * @throws Exception if the property could not be evaluated
60       */
61      public Object   getProperty(Object   object) throws Exception   {
62          return value;
63      }
64  
65      /**
66       * Sets the property on the given object to the new value
67       * 
68       * @param object on which to set the property
69       * @param newValue the new value of the property
70       * @throws Exception if the property could not be set
71       */
72      public void setProperty(Object   object, Object   newValue) {
73          value = newValue;
74      }
75  }
76
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