I am trying to stream out sax events from dom4j (1.6) elements into an
XSL content handler to transform into HTML and I'm getting a null
pointer exception from a saxon (6.5.3) class. I was wondering if
someone has worked through this before. Do I need to do something
with namespaces, or is the document not initialized properly?
startDocument is protected, otherwise I'd try calling that first. Any
help would be appreciated.
java.lang.NullPointerException
at com.icl.saxon.tinytree.TinyBuilder.startElement(TinyBuilder.java:137)
at com.icl.saxon.ContentEmitter.startElement(ContentEmitter.java:121)
at org.dom4j.io.SAXWriter.startElement(SAXWriter.java:810)
at org.dom4j.io.SAXWriter.writeOpen(SAXWriter.java:233)
…
------------------------------------------------------------------------------------------
Below is the fragment of my code:
PrintWriter out = response.getWriter();
StreamResult result = new StreamResult(out);
SAXWriter sax = new SAXWriter();
Source xsltSourceOne = new StreamSource(new File(xslFile));
TransformerHandler tHandler1 = factory.newTransformerHandler(xsltSourceOne);
sax.setContentHandler(tHandler1);
tHandler1.setResult(result);
Element root = DocumentHelper.createElement("Root");
sax.writeOpen(root); //--- NullPointer thrown here
------------------------------------------------------------------------------------------
Here is the block of code from saxon.
public void startElement (nameCode, Attributes attributes, int[]
namespaces, int namespacesUsed) throws TransformerException
{
// System.err.println("TinyBuilder Start element (" + nameCode + ")");
// Construct element name as a Name object
TinyDocumentImpl doc = (TinyDocumentImpl)currentDocument;
// register the namespaces
int firstNS = (namespacesUsed==0 ? -1 : doc.numberOfNamespaces);
for (int n=0; n<namespacesUsed; n++) {
doc.addNamespace( nodeNr,
namespaces[n] );
}
namespacesUsed = 0;
// register the attributes
int numAtts = attributes.getLength();
int firstAtt = (numAtts==0 ? -1 : doc.numberOfAttributes);
doc.addNode(NodeInfo.ELEMENT, currentDepth, firstAtt, firstNS,
nameCode); //--- Line 137 Null Pointer
Dave
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