Subject: RE: [xsl] Saxon setParameter() of node-set problems From: Vasu Durgavarjhula <vasud@xxxxxxxxxxxxx> Date: Fri, 23 Mar 2001 10:04:24 -0800 |
Get the document element using Document.getDocumentElement and then use this Element to create your XNodeSet, after which you can set the parameter. I am using this in XalanJ2.0 and it works fine for me. -Vasu > -----Original Message----- > From: Shakeel Mahate [mailto:shakeelmahate@xxxxxxxxxxx] > Sent: Friday, March 23, 2001 7:50 AM > To: XSL-List@xxxxxxxxxxxxxxxxxxxxxx > Cc: Sihyung Park; Brian Graves; Yasir Rizwan; Syed Naqi; Sutanu Ghosh; > Shakeel Mahate; Mohsin Khalil; Afzal Khalfay; > shakeelmahate@xxxxxxxxxxx > Subject: [xsl] Saxon setParameter() of node-set problems > > > I want to send a NodeSet to a Saxon transformer via the setParameter() > function. > > I have a org.w3c.dom.Document object in memory which I need > to send to the > transformer before calling transform. > > So, here's the problem, I have not been able to figure out > how to transform > org.jdom.Document into a node set as required by Saxon transformer. > > I know how to output an org.w3c.dom.Document from a org.jdom.Document > > For Xalan, I have tried the following: > > XNodeSet nodeSet = new XNodeSet(dom); > transformer.setParameter("referenceXml", nodeSet); > > but the xalan:evaluate or any XPath expr on the the parameter > referenceXml > do not work. > > I know the problem isnt with my XPath expressions because if > I set the value > of the parameter, via > <xsl:parameter name="referenceXml"> > <xsl:value-of select="document('ref.xml')"/> > </xsl:parameter> > then all of my XPath expressions and xalan:evaluate(....) > work correctly > > But now when I send the parameter value as shown above, none > of the XPath > expressions evaluate. > > I want to give up on Xalan and try Saxon 6.2.2, but I dont know how to > convert the org.w3c.dom.Document into a node-set expression > or DocumentInfo > as expected by > Saxon. > > I have tried the following > > Builder treeBuilder = new TreeBuilder(); > DOMDriver driver = new DOMDriver(); > driver.setContentHandler(treeBuilder); // This line does not > compile, since > treeBuilder is not a ContentHandler and I have not been able > to find an > appropriate ContentHandler > > Next I tried the following > InputSource is = new InputSource("dummy"); > DOMDriver driver = new DOMDriver(); > driver.setStartNode(dom); > is.setSystemId("dummy"); > driver.setSystemId("dummy"); > SAXSource saxSource = new SAXSource(driver, is); > Builder treeBuilder = new TreeBuilder() > DocumentInfo rootNode = treeBuilder.build(saxSource); > .... code deleted... > transformer.setParameter("referenceXML", rootNode); > ...... > transformer.transform(streamSource, streamResult); > > I get a NullPointerException > at com.icl.saxon.ContentEmitter.getNameCode(ContentEmitter.java:128) > at com.icl.saxon.ContentEmitter.startElement(ContentEmitter.java:118) > at com.icl.saxon.DOMDriver.walkNode(DOMDriver.java:275) > at com.icl.saxon.DOMDriver.parse(DOMDriver.java:191) > at com.icl.saxon.DOMDriver.parse(DOMDriver.java:162) > at com.icl.saxon.Builder.build(Builder.java:263) > at test.TestXPath.main(TestXPath.java:103) > > Mike, please help me. > > -Shakeel > > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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