MapEntryInterceptor


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14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
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21  */
22  package org.jboss.kernel.plugins.deployment.xml;
23  
24  import javax.xml.namespace.QName  ;
25  
26  import org.jboss.beans.metadata.plugins.AbstractMapMetaData;
27  import org.jboss.beans.metadata.plugins.AbstractValueMetaData;
28  import org.jboss.beans.metadata.spi.MetaDataVisitorNode;
29  import org.jboss.xb.binding.sunday.unmarshalling.DefaultElementInterceptor;
30  
31  /**
32   * MapEntryInterceptor.
33   * 
34   * @author <a HREF="adrian@jboss.com">Adrian Brock</a>
35   * @version $Revision: 45764 $
36   */
37  public class MapEntryInterceptor extends DefaultElementInterceptor
38  {
39     /** The interceptor */
40     public static final MapEntryInterceptor INTERCEPTOR = new MapEntryInterceptor();
41  
42     public void add(Object   parent, Object   child, QName   name)
43     {
44        AbstractMapMetaData map = (AbstractMapMetaData) parent;
45        MapEntry entry = (MapEntry) child;
46        AbstractValueMetaData entryKey = (AbstractValueMetaData) entry.key;
47        if (entryKey == null)
48           throw new IllegalArgumentException  ("No key in map entry");
49        AbstractValueMetaData entryValue = (AbstractValueMetaData) entry.value; 
50        if (entryValue == null)
51           throw new IllegalArgumentException  ("No value in map entry");
52        map.put((MetaDataVisitorNode) entryKey.getValue(), (MetaDataVisitorNode) entryValue.getValue());
53     }
54  }
55
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