ValueAdapter


1   /*
2     * JBoss, Home of Professional Open Source
3     * Copyright 2005, JBoss Inc., and individual contributors as indicated
4     * by the @authors tag. See the copyright.txt in the distribution for a
5     * full listing of individual contributors.
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7     * This is free software; you can redistribute it and/or modify it
8     * under the terms of the GNU Lesser General Public License as
9     * published by the Free Software Foundation; either version 2.1 of
10    * the License, or (at your option) any later version.
11    *
12    * This software is distributed in the hope that it will be useful,
13    * but WITHOUT ANY WARRANTY; without even the implied warranty of
14    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15    * Lesser General Public License for more details.
16    *
17    * You should have received a copy of the GNU Lesser General Public
18    * License along with this software; if not, write to the Free
19    * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20    * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21    */
22  package org.jboss.xb.binding.sunday.unmarshalling;
23  
24  /**
25   * @author <a HREF="mailto:alex@jboss.org">Alexey Loubyansky</a>
26   * @version <tt>$Revision: 1958 $</tt>
27   */
28  public interface ValueAdapter
29  {
30     ValueAdapter NOOP = new ValueAdapter()
31     {
32        public Object   cast(Object   o, Class   c)
33        {
34           return o;
35        }
36     };
37  
38     /**
39      * An implementation should make sure that an object past in as the first parameter
40      * can be set as a value of a field that is of a type passed in as the second parameter
41      *
42      * @param o
43      * @param c
44      * @return
45      */
46     Object   cast(Object   o, Class   c);
47  }
48

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