Now we just need to use it.
Handling a posting of an XML document:
<% Transformer xslt = loadTransformer(); xslt.transform(new StreamSource(request.getInputStream()),new StreamResult(out)); %>
Transforming the document specified by a query string:
<% Transformer xslt = loadTransformer(); xslt.transform(new StreamSource(request.getQueryString()),new StreamResult(out)); %>