Namespaces for attributes

[Dave Cherkassky <dc...@djinnsoft.com>]

Here's something unexpected -- perhaps someone can explain...

1) The XSD is:
   <?xml version="1.0" encoding="UTF-8"?>
   <xs:schema elementFormDefault="qualified" attributeFormDefault="unqualified"
       targetNamespace="http://springboardproducts.com/rram-json/2009/11/11/"
       xmlns:xs="http://www.w3.org/2001/XMLSchema"
       xmlns:rram-json="http://springboardproducts.com/rram-json/2009/11/11/">
     ...
     <xs:attribute name="attributeByReference" type="xs:string" />
     <xs:complexType name="ContributorReferenceType">
       ...
       <xs:attribute ref="rram-json:attributeByReference"/>
       <xs:attribute name="attributeByName" type="xs:string" />
     </xs:complexType>
     ...
   </xs:schema>


2) Run the wsdl2java code generation with the following arguments:
org.apache.axis2.wsdl.WSDL2Java
   -uri file://...
   -p com.springboardproducts.services.doc.json
   -o ../temp/services/json/doc
   -ns2p http://springboardproducts.com/rram-json/2009/11/11/=com.springboardproducts.rram.doc.axis2._20091111.json
   -s
   -ss
   -sd
   -Euwc
   --service-name JsonTrainingElementCommentService
   -or


3) Get code like this (formatted for readability withing email):

   package com.springboardproducts.rram.doc.axis2._20091111.json;
   
   public class ContributorReferenceType
       implements org.apache.axis2.databinding.ADBBean{
     /* This type was generated from the piece of schema that had
        name = ContributorReferenceType
        Namespace URI = http://springboardproducts.com/rram-json/2009/11/11/
        Namespace Prefix = ns1
        */
     ...
     public void serialize(final javax.xml.namespace.QName parentQName,
           final org.apache.axiom.om.OMFactory factory,
           org.apache.axis2.databinding.utils.writer.MTOMAwareXMLStreamWriter xmlWriter,
           boolean serializeType)
         throws javax.xml.stream.XMLStreamException, org.apache.axis2.databinding.ADBException{
       ...
       if (localAttributeByReference != null){
         writeAttribute("http://springboardproducts.com/rram-json/2009/11/11/",
             "attributeByReference",
             org.apache.axis2.databinding.utils.ConverterUtil.convertToString(localAttributeByReference), xmlWriter);
       }
       ...
       if (localAttributeByName != null){
         writeAttribute("",
             "attributeByName",
             org.apache.axis2.databinding.utils.ConverterUtil.convertToString(localAttributeByName), xmlWriter);
       }
       ...
     }
   ...
   }



4) So, my question is:

How come if I specify the attribute by reference
   ie.: <xs:attribute ref="rram-json:attributeByReference"/>
then it lives within a namespance
   ie.: writeAttribute("http://springboardproducts.com/rram-json/2009/11/11/", ...

But if I specify the name explicitly
   ie. <xs:attribute name="attributeByName" type="xs:string" />
then no namespace is provided.
   ie.: writeAttribute("", ...

I would have expected both to have a namespace.  Perhaps I missed a subtle detail in the XSD spec?  Perhaps I misunderstood AXIS2 code generation?  Perhaps it is a bug?

If someone can explain, you insight would be appreciated.


Many thanks in advance,
-- 
Dave Cherkassky
   VP of Software Development
   DJiNN Software Inc.
   416.504.1354

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