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List:       xmlbeans-dev
Subject:    Using FastInfoset SAX Parser create a XmlBean
From:       Burkley Frederick G NPRI <BurkleyFG () Npt ! NUWC ! Navy ! Mil>
Date:       2005-12-28 17:59:09
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This message may be a bit verbose, but please bear with me as I try to establish \
background.

I have been working on un-marshalling a FastInfoset compressed binary XML document to \
a XmlBean.

The XmlOptions class lets me specify an org.xml.sax.XMLReader, so I do this via \
setLoadUseXMLReader().  I am looking at \
com.sun.xml.fastinfoset.sax.SAXDocumentParser, as it implements XmlReader.

I FastInfoset compressed a simple XML instance document.  As background, my XmlBean \
class is DatabaseConnectionDocument.java and my XML instance is \
databaseConnection.xml.  Now the task is to instantiate a SAXDocumentParser, set the \
XmlReader in XmlOptions, and call DatabaseConnectionDocument.Factory.parse().

My problem is I am getting a RuntimeException related to setting the Namespaces \
Feature in FastInfoset.  The full text of the exception is below.

I looked into the com.sun.xml.fastinfoset.sax.SAXDocumentParser.java FastInfoset \
source code.  The setFeature(String name, boolean value) method is coded to throw a \
SAXNotRecognizedException if called as in: \
setFeature("http://xml.org/sax/features/namespaces", true);

It looks like this is what is happening at Locale.java line 3320 (I have not looked \
at the Local.java source code).

So I modified SAXDocumentParser.java to disable the throwing of \
SAXNotRecognizedException.  I re-compiled FastInfoset.jar, then successfully ran my \
test code.  Thus marshalling a FastInfoset compressed XML document to a XmlBean.  My \
test code also appears below.


The bottom line of this (and my question) is:
Am I not configuring something in XmlBeans properly or is there perhaps an issue with \
FastInfoset?  Perhaps the FastInfoset code (SAXDocumentParser.java) ought to no-op \
the setFeature("http://xml.org/sax/features/namespaces", true) call rather than \
throwing the SAXNotRecognizedException.


Thanks,
Fred Burkley







Exception in thread "main" java.lang.RuntimeException: Feature not supported: \
                {0}http://xml.org/sax/features/namespaces
        at org.apache.xmlbeans.impl.store.Locale$SaxLoader.<init>(Locale.java:3329)
        at org.apache.xmlbeans.impl.store.Locale$XmlReaderSaxLoader.<init>(Locale.java:3050)
                
        at org.apache.xmlbeans.impl.store.Locale.getSaxLoader(Locale.java:3026)
        at org.apache.xmlbeans.impl.store.Locale.parseToXmlObject(Locale.java:1267)
        at org.apache.xmlbeans.impl.store.Locale.parseToXmlObject(Locale.java:1254)
        at org.apache.xmlbeans.impl.schema.SchemaTypeLoaderBase.parse(SchemaTypeLoaderBase.java:345)
                
        at org.apache.xmlbeans.impl.schema.SchemaTypeLoaderBase.parse(SchemaTypeLoaderBase.java:252)
                
        at org.mip.xmlBeans.DatabaseConnectionDocument$Factory.parse(DatabaseConnectionDocument.java:59)
                
        at sample.FastInfosetXmlBeanUnmarshaller.main(FastInfosetXmlBeanUnmarshaller.java:121)
 Caused by: org.xml.sax.SAXNotRecognizedException: Feature not supported: \
                {0}http://xml.org/sax/features/namespaces
        at com.sun.xml.fastinfoset.sax.SAXDocumentParser.setFeature(Unknown Source)
        at org.apache.xmlbeans.impl.store.Locale$SaxLoader.<init>(Locale.java:3320)
        ... 8 more



------ Here is my test code -------------
    // Instantiate the FI SAX parser
    XMLReader saxReader = new SAXDocumentParser();
    xmlOptions = new XmlOptions();
    xmlOptions.setLoadUseXMLReader(saxReader);
    try {
      DatabaseConnectionDocument dcdoc = DatabaseConnectionDocument.Factory.parse(new \
File(inputFileName), xmlOptions);  System.out.println(dcdoc);
    }
    catch (Exception ex) {
      ex.printStackTrace();
      System.exit(1);
    }




        

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