> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of
> [EMAIL PROTECTED]
> Sent: Wednesday 16 June 2004 20:26
> To: [EMAIL PROTECTED]
> Subject: Re: [dom4j-user] Removing Nodes
>
>
> On Wednesday 16 June 2004 19:54, Mike Skells wrote:
> > this bugin the dev newsgroup
>
> newsgroup?
[EMAIL PROTECTED]
>
> > if(n.getName().equalsIgnoreCase("div"))
> > {
> > n.detach(); //better than n.getParent().remove(n) as getParent()
> > may be null
> > }
>
> But this one throws a NullPointerException (if Element) or
> just doesn't work
> respectively (if Node)...or did I misunderstand you?
This will not throw a NPE. The NPE gets throw ONLY in the visitor code
when parent node has content removed. Have a look at the source, and you
can see the problem. I have tested it befor I sent it :-)
If you want to use the visitor pattern, you can avoid the iteration
problem by iterating across the child nodes in the element visitor, like
this
static class KillDivs extends VisitorSupport {
public void visit( Element e ) {
List content = e.elements();
for (int i = content.size()-1; i >= 0 ; i--) {
Element child = (Element)content.get(i);
if (child.getName().equalsIgnoreCase("div")) {
content.remove(i);
}
}
}
}
Mike
>
>
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