AttributeHandler


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8     * under the terms of the GNU Lesser General Public License as
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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
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21    */
22  package org.jboss.xb.binding.sunday.unmarshalling;
23  
24  import javax.xml.namespace.QName  ;
25  import javax.xml.namespace.NamespaceContext  ;
26  
27  import org.jboss.xb.binding.metadata.ValueMetaData;
28  
29  /**
30   * @author <a HREF="mailto:alex@jboss.org">Alexey Loubyansky</a>
31   * @version <tt>$Revision: 1958 $</tt>
32   */
33  public abstract class AttributeHandler
34  {
35     public static AttributeHandler NOOP = new AttributeHandler()
36     {
37        public void attribute(QName   elemName, QName   attrName, AttributeBinding binding, Object   owner, Object   value)
38        {
39        }
40     };
41  
42     public Object   unmarshal(QName   elemName,
43                             QName   attrName,
44                             AttributeBinding binding,
45                             NamespaceContext   nsCtx,
46                             String   value)
47     {
48        TypeBinding type = binding.getType();
49        ValueMetaData valueMetaData = binding.getValueMetaData();
50        return type == null ? value : type.getCharactersHandler().unmarshal(attrName, type, nsCtx, valueMetaData, value);
51     }
52  
53     public abstract void attribute(QName   elemName,
54                                    QName   attrName,
55                                    AttributeBinding binding,
56                                    Object   owner,
57                                    Object   value);
58  }
59
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