Maarten,
I can't come-up with a test case that fails. This is close to what I'm doing
and it works:
Document doc = null;
try {
SAXReader reader = new SAXReader();
doc = (DefaultDocument)reader.read(new File("test.xml"));
} catch (Exception e) {
e.printStackTrace();
}
try {
Element root = (Element)doc.selectSingleNode("/root");
Element parent = (Element)doc.selectSingleNode("/root/parent");
Node child = doc.selectSingleNode("/root/parent/child");
System.out.println("root : " + root.getUniquePath());
System.out.println("parent : " + parent.getUniquePath());
System.out.println("child : " + child.getUniquePath());
Node clone1 =
(Node)child.selectSingleNode("ancestor-or-self::child").clone();
((Element)child.selectSingleNode("ancestor-or-self::parent")).add(clone1);
Node clone2 = (Node) clone1.clone();
root.addElement("parent");
((Element)clone1.selectSingleNode("ancestor-or-self::parent")).add(clone2);
if (clone1.getDocument() == null)
System.out.println("Clone1 has no document");
if (clone1.getParent() == null)
System.out.println("Clone1 has no Parent");
if (clone2.getDocument() == null)
System.out.println("Clone2 has no document");
if (clone2.getParent() == null)
System.out.println("Clone2 has no Parent");
System.out.println("Child : " + child.getUniquePath());
System.out.println("Clone1 : " + clone1.getUniquePath());
System.out.println("Clone2 : " + clone2.getUniquePath());
} catch (Exception e) {
e.printStackTrace();
}
Where test.xml = <root><parent><child></child></parent></root>
The ancestor search for the node's true parent (per the schema) is much more
complex than what I have here, I'm thinking that maybe the source of the
problem.
Thanks for looking at this, for now consider it an application problem.
--Mike
--- Maarten Coene <[EMAIL PROTECTED]> wrote:
> Mike,
>
> I couldn't reproduce your problem with a simple junit test:
>
> public void testAddCloneToOtherElement() {
> DocumentFactory factory = DocumentFactory.getInstance();
> Document doc = factory.createDocument();
> Element root = doc.addElement("root");
> Element parent1 = root.addElement("parent");
> Element child1 = parent1.addElement("child");
>
> Element parent2 = (Element) parent1.clone();
> root.add(parent2);
>
> assertSame("parent not correct", root, parent2.getParent());
> assertSame("document not correct", doc, parent2.getDocument());
>
> Element child2 = parent2.element("child");
>
> assertNotSame("child not cloned", child1, child2);
> assertSame("parent not correct", parent2, child2.getParent());
> assertSame("document not correct", doc, child2.getDocument());
> }
>
> Could you tell me what you are doing different and if possible, could
> you change the junit test so that it fails?
>
> thanks,
> Maarten
>
> Mike Summers wrote:
>
> >I have a dom4j program that adds cloned nodes into a Document.
> >
> >I'm noticing that when it comes time to process the cloned node (this can
> >include cloning the clone) (I use a recursive treewalk) that the clone is
> >always missing a Document, and frequently a Parent. This only happens when I
> >process a clone.
> >
> >*Roughly*, the scheme is:
> >
> >private void processNode(Node node){
> > clone = node.clone(); //createCopy has the same effect
> > try{
> > findYourParentXPath.selectSingleNode(node).add(clone);
> > }catch(NullPointerException npe){
> > node.getParent().add(clone);
> > }
> > treewalk(clone);
> >}
> >
> >with treewalk eventually calling back into processNode.
> >
> >Dumping the Document I get the mis-processed clones, although in the wrong
> >location (the search for their parent fails due to the null Document).
> >
> >Is this out-of-scope for dom4j or am I missing some step? It's almost like
> the
> >tree needs to be re-read before processing the clone (not an option in this
> >case).
> >
> >If someone has an example of cloning a clone and inserting it into the
> Document
> >I'd appreciate a look.
> >
> >Thanks-- Mike
> >
> >
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>
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