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[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Xalan setParmeter
 The problem I'm trying to solve is how to pass a parameter into my XSLT processor (Xalan in this case) that is a reference to a DOM node (fragment), and then use that parameter within the XSLT. Below is the XML instance source for the parameter, the XSLT (just a simple copy-of) and a small Java code example that sets the parameter in the parser, does the transform and outputs the result to the console. It all works to a point but the XSLT output is not quite what I expected. This is what the output looks like :- <?xml version="1.0" encoding="UTF-8"?> <rootContainer>org.dom4j.tree.DefaultElement@20dfa273 [Element: <Odds attributes: []/>]</rootContainer> I was expecting :- <?xml version="1.0" encoding="UTF-8"?> <rootContainer>3</rootContainer> If I use a simple value for the parameter, that is a string rather than a node, it works fine ?? Can anyone see what I'm doing wrong ?? Thanks Fraser. Source XML Instance for the param ====================== <?xml version="1.0" encoding="UTF-8"?> <Numbers> <Odds> <One>1</One> <Three>3</Three> <Five>5</Five> </Odds> <Evens> <Two>2</Two> <Four>4</Four> <Six>6</Six> </Evens> </Numbers> Stylesheet ======= <?xml version="1.0" encoding="UTF-8"?> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:output method="xml" version="1.0" encoding="UTF-8" indent="yes"/> <xsl:param name="inboundXML" select="/" /> <xsl:template match="/"> <rootContainer> <!--<xsl:value-of select="$inboundXML/Three"/>--> <xsl:copy-of select="$inboundXML/Three"/> </rootContainer> </xsl:template> </xsl:stylesheet> Java === package com.aviva.nu.cv.misctests; import org.dom4j.Document; import org.dom4j.Node; import org.dom4j.Element; import org.dom4j.Attribute; import org.dom4j.DocumentException; import org.dom4j.io.SAXReader; import org.dom4j.xpath.*; import java.io.*; import java.util.Vector; import javax.xml.transform.*; import javax.xml.transform.stream.StreamResult; import javax.xml.transform.stream.StreamSource; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.transform.dom.DOMSource; import org.apache.xpath.*; //import org.w3c.dom.Document; //import org.w3c.dom.Node; import org.w3c.dom.NodeList; import org.w3c.dom.traversal.NodeIterator; import org.xml.sax.InputSource; public class XSLTParamTest { private final static String DEBUG_OFF = "Off"; private final static String DEBUG_ON = "On"; String stringEncoding = "ascii"; String debug = DEBUG_OFF; /**
* Method main.
* @param args
*/
public static void main(String[] args) {File sourceXMLFile = null; File paramSourceXMLFile = null; String xslFilename = "E:\\Data\\WBIMB\\Projects\\Java\\Misc\\com\\aviva\\nu\\cv\\misctests\\experiment4.xslt"; try { sourceXMLFile = new File("E:\\Data\\WBIMB\\Projects\\Java\\Misc\\com\\aviva\\nu\\cv\\misctests\\OddsAndEvens_NoNS.xml"); paramSourceXMLFile = new File("E:\\Data\\WBIMB\\Projects\\Java\\Misc\\com\\aviva\\nu\\cv\\misctests\\OddsAndEvens_NoNS.xml"); SAXReader reader = new SAXReader(); Document paramDoc = reader.read(paramSourceXMLFile); // now for the transform Transformer transformer = null; TransformerFactory tFactory = TransformerFactory.newInstance(); transformer = tFactory.newTransformer(new StreamSource(xslFilename)); transformer.clearParameters(); // set the param //transformer.setParameter("inboundXML", "42"); transformer.setParameter("inboundXML", paramDoc.selectSingleNode("/Numbers/Odds")); // do the transform StreamSource sourceDoc = new StreamSource(sourceXMLFile); ByteArrayOutputStream baos = new ByteArrayOutputStream(); transformer.transform(sourceDoc,new StreamResult(baos)); // show output
baos.close();
byte[] data = baos.toByteArray();
String outputString = null;
try {
outputString = new String(data, "UTF-8");
System.out.println(outputString);
} catch (Exception e) {
System.out.println(e.getMessage());
} } catch (Exception ef) {
ef.printStackTrace();
}
}
}
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