LinkedTreeBuilder builder = new LinkedTreeBuilder();
builder.setPipelineConfiguration(pss.getConfiguration().makePipelineConfiguration());
builder.setNodeFactory(nodeFactory);
builder.setSystemId(this.getSystemId());
builder.open();
builder.startDocument();
int st = StandardNames.XSL_STYLESHEET;
builder.startElement(st, 0);
builder.namespace(new NamespaceBinding("xsl", NamespaceConstant.XSLT), 0);