CloneableObject


1   /***************************************
2    *                                     *
3    *  JBoss: The OpenSource J2EE WebOS   *
4    *                                     *
5    *  Distributable under LGPL license.  *
6    *  See terms of license at gnu.org.   *
7    *                                     *
8    ***************************************/
9   
10  package org.jboss.util;
11  
12  /**
13   * A simple base-class for classes which need to be cloneable.
14   *
15   * @version <tt>$Revision: 1.2 $</tt>
16   * @author  <a HREF="mailto:jason@planet57.com">Jason Dillon</a>
17   */
18  public class CloneableObject
19     implements java.lang.Cloneable  
20  {
21     /**
22      * Clone the object via {@link Object#clone}.  This will return
23      * and object of the correct type, with all fields shallowly
24      * cloned.
25      */
26     public Object   clone()
27     {
28        try {
29           return super.clone();
30        }
31        catch (CloneNotSupportedException   e) {
32           throw new InternalError  ();
33        }
34     }
35  
36     /**
37      * An interface which exposes a <em>public</em> clone method, 
38      * unlike {@link Object#clone} which is protected and throws
39      * exceptions... how useless is that?
40      */
41     public static interface Cloneable
42        extends java.lang.Cloneable  
43     {
44        Object   clone();
45     }
46  }
47

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