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Re: [jdom-interest] Possible bug in SAXHandler when "namespaces" feature is off

Bradley S. Huffman

2004-01-17


"Dmitri Plotnikov" writes:

> I've noticed that if I turn off the "namespaces" feature, JDOM fails with
> the following exception:
>
> Caused by: org.jdom.IllegalNameException: The name "" is not legal for
> JDOM/XML elements: XML names cannot be null or empty.
>   at org.jdom.Element.setName (Element.java:217)
>   at org.jdom.Element.<init>(Element.java:145)
>   at org.jdom.Element.<init>(Element.java:158)
>   at org.jdom.input.DefaultJDOMFactory.element(DefaultJDOMFactory.java:137)
>   at org.jdom.input.SAXHandler.startElement (SAXHandler.java:484)
>   at org.apache.crimson.parser.Parser2.maybeElement(Parser2.java:1637)
>   at org.apache.crimson.parser.Parser2.parseInternal(Parser2.java:634)
>   at org.apache.crimson.parser.Parser2.parse(Parser2.java:333)
>   at org.apache.crimson.parser.XMLReaderImpl.parse(XMLReaderImpl.java:448)
>   at org.jdom.input.SAXBuilder.build (SAXBuilder.java:370)
>   at org.jdom.input.SAXBuilder.build (SAXBuilder.java:684)
>   ...
>
> The problem is in SAXHandler in this line:
>   element = factory.element(localName);
>
> In fact, the parser passes the name not through the localName parameter, but
> through the qName parameter.
> Thus, IMO, it should read
>   element = factory.element(qName);
>
> Am I making any sense?

Hmm, I'm surpised you where able to turn the "namespaces" feature off, I
thought SAXBuilder always turned on "namespaces" and "namespace-prefix".

Brad
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