[ http://nagoya.apache.org/jira/browse/XALANJ-745?page=history ]
Henry Zongaro updated XALANJ-745:
---------------------------------
Priority: Major (was: Blocker)
> DOMBuilder mixes DOM Level 1 and 2
> ----------------------------------
>
> Key: XALANJ-745
> URL: http://nagoya.apache.org/jira/browse/XALANJ-745
> Project: XalanJ2
> Type: Bug
> Components: DOM
> Versions: CurrentCVS
> Environment: Operating System: All
> Platform: All
> Reporter: Carsten Ziegeler
> Attachments: dombuilder.txt
>
> There are several namespace problems in the DOMBuilder which all result
> in DOMs which can have mixed Level 1 and Level 2 objects!
> 1. If I use the JAXP Interface with a DOMResult object which gets
> a Document/Node object in the constructor, the underlying DOMBuilder
> does not test whether this Document/Node supports namespaces or not!
> This results in DOM trees having DOM Level 1 mixed with DOM Level 2
> nodes!
> 2. The startElement() method tests itself which DOM Level is used by looking
> at the namespace parameter.
> This test is not correct. The SAX spec states, that if an element has no
> namespace (but namespaces are used) the namespace parameter is the empty
> string. The startElement() method assumes in this case that DOM Level 1
> is used instead!
> >>> CODE SNIPPET FROM DOMBUILDER <<<<
> public void startElement(
> String ns, String localName, String name, Attributes atts)
> throws org.xml.sax.SAXException
> {
> Element elem;
> if ((null == ns) || (ns.length() == 0))
> elem = m_doc.createElement(name);
> else
> elem = m_doc.createElementNS(ns, name);
> ....
> >>> END CODE SNIPPET FROM DOMBUILDER <<<<
> 3. The handling of the attributes of the element in the startElement() does
> not reflect the namespace handling for the element. Here again for each
> attribute the namespace uri is tested against the empty string. If it is
> the empty string, DOM Level 1 methods are used otherwise DOM Level 2.
> Again, this results in mixed objects!
> Attached is a patch which fixes all these problems. The incoming document is
> checked once if it is DOM Level 1 or 2 and from that one the same set of
> methods is used
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