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1 package org.hibernate.tuple;
3
4 import java.io.Serializable  ;
5 import java.util.HashSet ;
6 import java.util.Iterator ;
7
8 import org.dom4j.Element;
9 import org.hibernate.util.XMLHelper;
10 import org.hibernate.mapping.PersistentClass;
11 import org.hibernate.mapping.Component;
12
13
16 public class Dom4jInstantiator implements Instantiator {
17 private final String nodeName;
18 private final HashSet isInstanceNodeNames = new HashSet ();
19
20 public Dom4jInstantiator(Component component) {
21 this.nodeName = component.getNodeName();
22 isInstanceNodeNames.add( nodeName );
23 }
24
25 public Dom4jInstantiator(PersistentClass mappingInfo) {
26 this.nodeName = mappingInfo.getNodeName();
27 isInstanceNodeNames.add( nodeName );
28
29 if ( mappingInfo.hasSubclasses() ) {
30 Iterator itr = mappingInfo.getSubclassClosureIterator();
31 while ( itr.hasNext() ) {
32 final PersistentClass subclassInfo = ( PersistentClass ) itr.next();
33 isInstanceNodeNames.add( subclassInfo.getNodeName() );
34 }
35 }
36 }
37
38 public Object instantiate(Serializable id) {
39 return instantiate();
40 }
41
42 public Object instantiate() {
43 return XMLHelper.generateDom4jElement( nodeName );
44 }
45
46 public boolean isInstance(Object object) {
47 if ( object instanceof Element ) {
48 return isInstanceNodeNames.contains( ( ( Element ) object ).getName() );
49 }
50 else {
51 return false;
52 }
53 }
54 } |
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