Sorry yes I did not check the StAX API - jumped to conclusions from the
namespace standards. I will raise this with Spring and look forward to 1.2.2.
As mentioned I have a workaround should anyone need it.
Jacob
> Date: Fri, 22 May 2009 14:01:39 +1200
> From: d...@sosnoski.com
> To: jibx-users@lists.sourceforge.net
> Subject: Re: [jibx-users] Mismatch between JiBX and QName represntation of an
> attribute with no namespace?
>
> Hi Jacob,
>
> The StAX API for the getAttributeValue(namespaceURI, localName) method
> says "Returns the normalized attribute value of the attribute with the
> namespace and localName If the namespaceURI is null the namespace is not
> checked for equality" (from the JDK 1.6 JavaDocs, which AFAIK reflects
> the current standard). This is the documented API, so it's what needs to
> be followed by the XMLStreamReader implementation - and the Spring
> implementation is broken because it doesn't check for null.
>
> JiBX should really be passing the empty string in this case, rather than
> null - but if the XMLStreamReader implementation followed the documented
> interface the attribute would still be returned correctly, which is why
> I haven't seen any problems with attributes using other StAX readers.
> I've changed the JiBX code for 1.2.2 to pass an empty string, but you
> still should enter this as a bug against the Spring code.
>
> Thanks for tracking down through the details of what was going wrong,
> though I disagree with your conclusion. :-)
>
> - Dennis
>
> Dennis M. Sosnoski
> SOA and Web Services in Java
> Training and Consulting
> http://www.sosnoski.com - http://www.sosnoski.co.nz
> Seattle, WA +1-425-939-0576 - Wellington, NZ +64-4-298-6117
>
>
>
> Jacob Metcalf wrote:
> > I am having a lot of difficulty getting the combination of JiBX
> > 1.1.6a/1.2.1, Woodstox Stax 3.2.1, Spring WS 1.5.6 and Spring Batch 2
> > to parse attributes in an xml file which has no namespace. Whatever I
> > do I get the execption org.jibx.runtime.JiBXException: Missing
> > required attribute "testAttribute" Through debugging I think I have
> > tracked down the problem, and it revolves around the fact that the
> > JiBX generated code is looking for the attribute with a namespace of
> > null but trying to match against a QName returned by Woodstox which
> > contains the empty string "": - When I set a breakpoint in the
> > concrete implementation of: XMLStreamReader.getAttributeValue(String
> > namespaceURI, String localName) I see that the generated binding code
> > is calling this function with namespaceURI = null. - The concrete
> > implementation comes from spring-xml 1.5.6 - its
> > org.springframework.xml.stream.XmlEventStreamReader which is used to
> > turn an event reader into a stream reader (necessary because Spring
> > Batch takes a nifty fragment based approach to reading XML). This
> > compares the incoming namespareURI argument to the namespace in the
> > QName: / public String getAttributeValue(String namespaceURI, String
> > localName) { for (int i = 0; i < getAttributeCount(); i++) { QName
> > name = getAttributeName(i); if
> > (name.getNamespaceURI().equals(namespaceURI) &&
> > name.getLocalPart().equals(localName)) { return getAttributeValue(i);
> > } } return null; }/ - Working through the StAX implementation it seems
> > that the w3c recommendation is that QName will contain the empty
> > string when no namespace is declared so what Woodstox does is correct:
> > / /** *
> >
> > Prefix to use to represent the default XML Namespace.
> >
> > * *
> >
> > Defined by the XML specification to be "".
> >
> > * * @see * Namespaces in XML, 3. Qualified Names
> > <http://www.w3.org/TR/REC-xml-names/#ns-qualnames> */ public static
> > final String DEFAULT_NS_PREFIX = "";/ So my question is, having
> > tracked down the problem, can anyone suggest an easy option for
> > working around this mismatch? I saw it was discussed here
> > <http://markmail.org/message/hblgqudv65tgc3lm>. However since I am
> > operating in Spring Batch (so am several steps removed) I will have to
> > rewrite quite a lot of classes in order to replace the Spring
> > implementation with a version which matches both null and "". I saw
> > some mention that there was some work being done on Spring
> > compatibility in JiBX 2.0 so I am hoping someone has already picked up
> > on this issue (hoping a lot since I am a big fan of both JiBX and
> > Spring). Hopefully I have identified the root cause of the issue in
> > detail. But here are the sources, starting with the XML file
> > example.xml <http://www.nabble.com/file/p23349737/example.xml> This is
> > my binding file test.jibx.xml
> > <http://www.nabble.com/file/p23349737/test.jibx.xml> This is my java:
> > SingleTest.java <http://www.nabble.com/file/p23349737/SingleTest.java>
> > ------------------------------------------------------------------------
> > View this message in context: Mismatch between JiBX and QName
> > represntation of an attribute with no namespace?
> > <http://www.nabble.com/Mismatch-between-JiBX-and-QName-represntation-of-an-attribute-with-no-namespace--tp23349737p23349737.html>
> > Sent from the jibx-users mailing list archive
> > <http://www.nabble.com/jibx-users-f4287.html> at Nabble.com.
> > ------------------------------------------------------------------------
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