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Posted to dev@xalan.apache.org by bu...@apache.org on 2003/06/09 21:57:01 UTC

DO NOT REPLY [Bug 20624] New: - How to make Xalan Schema-aware?

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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=20624

How to make Xalan Schema-aware?

           Summary: How to make Xalan Schema-aware?
           Product: XalanJ2
           Version: 2.4
          Platform: PC
        OS/Version: Windows NT/2K
            Status: NEW
          Severity: Normal
          Priority: Other
         Component: Xalan
        AssignedTo: xalan-dev@xml.apache.org
        ReportedBy: jrostosk@learningpatterns.com


Xalan will read a document's DTD (via its DOCTYPE statement) and use it to 
provide attribute defaults and replacement text for general entity references.  
In fact, if the DTD cannot be located, it throws a 
java.io.FileNotFoundException.  Of course, it performs no *validation* against 
a DTD.

How can one get this same behavior in an XML Schema environment?

We wish to get attribute defaults from a W3C XML Schema in our 
transformations.  I have looked extensively for a mechanism to do this, but 
have been unable to find one.  The JAXP 
javax.xml.transform.TransformerFactory's setAttribute() method could be a good 
way to turn on such "Schema-awareness."  This technique is used in Xerces in 
both SAX and DOM.