Hi Tony,
there are 2 main scenario's for working with DOM/DOM4J together:
1. using DOMReader/DOMWriter:
========================
this convert a DOM tree to a DOM4J tree and visa versa:
// convert DOM4J -> DOM
DOMWriter writer = new DOMWriter();
org.dom4j.Document dom4jDoc = [...];
org.w3c.dom.Document w3cDoc = writer.writer(dom4jDoc);
// convert DOM -> DOM4J
DOMReader reader = new DOMReader();
org.w3c.dom.Document w3cDoc = [...];
org.dom4j.Document dom4jDoc = reader.read(w3cDoc);
However, this approach will do an entire tree walk of the dom/dom4j source tree to create the result. In addition, you will end up with 2 seperate trees: one for DOM and one for DOM4J.
2. Using DOMDocumentFactory
=======================
this will create one tree for both the DOM and DOM4J objects.
This approach can be used if you don't have a DOM or DOM4J document yet, for instance if you still have to parse your XML file using SAX.
DOMDocumentFactory factory = new DOMDocumentFactory();
SAXReader reader = new SAXReader(factory);
InputStream in = [...] // your XML file for instance
org.dom4j.Document dom4jDoc = reader.read(in);
org.w3c.dom.Document w3cDoc = (org.w3c.dom.Document) dom4jDoc;
regards,
Maarten
tony k <[EMAIL PROTECTED]> wrote:
tony k <[EMAIL PROTECTED]> wrote:
i get the impression that this type of conversion back and forth from
w3c Element to dom4j Element can be accomplished via DOMReader/Writer,
but it isn't apparent to me how.
can some kind soul provide some sample code?
if this is even possible, anyone know how "costly" these operations
might be?
i.e.: is there some slick casting going on under the hood or does it involve
an entire tree walk of the source and memory allocation/construction of
the target?
thanks a bunch!
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