@Override
public Sequence call(XPathContext context, Sequence[] arguments) throws XPathException {
NodeInfo stylesheet = (NodeInfo) arguments[0].head();
NodeInfo node = (NodeInfo) arguments[1].head();
Evaluator eval = SearchBase.getEvaluator(context);
XsltCompiler xsltCompiler = eval.getCompiler().getXsltCompiler();
xsltCompiler.setErrorListener(eval.getErrorListener());
try {
// TODO: cache compiled xslt somewhere
XsltExecutable xsltexec = xsltCompiler.compile(stylesheet);
transformer = xsltexec.load();
transformer.setSource(node);
transformer.setErrorListener(eval.getErrorListener());
if (arguments.length > 2) {
bindParameters(arguments[2]);
}
XdmDestination dest = new XdmDestination();
transformer.setDestination(dest);
transformer.transform();
ArrayList<TransformerException> runtimeErrors =
((TransformErrorListener) transformer.getErrorListener()).getErrors();
if (!runtimeErrors.isEmpty()) {
throw new XPathException(
runtimeErrors.get(0).getMessage(),
runtimeErrors.get(0).getLocator(),
runtimeErrors.get(0));
}
XdmNode result = dest.getXdmNode();
if (result == null) {
return EmptySequence.getInstance();
}
return result.getUnderlyingNode();
} catch (SaxonApiException e) {
throw new XPathException(e);
}
}
@Override
public void commit(Evaluator eval) {
SolrQueryContext context = (SolrQueryContext) eval.getQueryContext();
context.setCommitPending(true);
}