RE: [dom4j-user] Create an Document from fragments of another

[Bradley, Martin]

Naveen & Michael, thanks.

The a1.CreateCopy did the trick...

If I try to add the element to the root of another document then I get and 
IllegalAddException.  Saying the the original node already has a parent.    As usual, 
it all makes sense once it works!

Thanks again,
Marty 

-----Original Message-----
From: Naveen Murthy [mailto:[EMAIL PROTECTED]
Sent: Friday, January 09, 2004 10:11 AM
To: Bradley, Martin
Subject: RE: [dom4j-user] Create an Document from fragments of another


Marty,

ive been out of dom4j prgramming for a while..
Im sure ive done this before. But i vaguely remember the syntax ..TRY this

here is the steps:

1. get a reference to the a1 element
        Element a1 = origDOM.element("a1");

2. create a copy of a1 and add it to new DOM
      newDOM.getRoot().addElement(a1.createCopy() ) ;


i think this should do the trick.

thx,
Naveen

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Bradley,
Martin
Sent: Friday, January 09, 2004 10:00 AM
To: [EMAIL PROTECTED]
Subject: [dom4j-user] Create an Document from fragments of another


Hi all,

I seem to be stumped on this one.  I haven't been using the dom4j api long and I'm 
having trouble pulling a node set our of one document and then using it to create 
another.  for example I have the following xml:

<aaa>
        <a1>
                <bbb />
                <ccc />
        </a1>
        <a1>
                <bbb />
                <ccc />
        </a1>
</aaa>

I want to pick up the first a1 and create a document as follows:

<onlyone>
        <a1>
                <bbb />
                <ccc />
        </a1>
</onlyone>

What I get is:
<onlyone>
        <bbb />
        <ccc />
</onlyone>
        
Here's the code (removed try...catch for brevity)

    SAXReader reader = new SAXReader();
    Document inDoc = reader.read(f);                    
    List selectedList = inDoc.selectNodes("aaa/a1");
    Iterator suspects = selectedList.iterator();

    for (;suspects.hasNext();)
    {
      Branch treeFragment = (Branch)suspects.next();

      Document document = DocumentHelper.createDocument();
      Element root = DocumentHelper.createElement("suspect");
      document.setRootElement(root);

      root.appendContent(treeFragment);
        System.out.println(document.asXML());
    }

Any ideas?  Am i missing something obvious?  Thanks for any help,
Marty 
  
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