e classes must be used.
Three concrete representations are defined for each of these
objects:
<A HREF="../../../javax/xml/transform/stream/StreamSource.html"><CODE>StreamSource</CODE></A> and
<A HREF="../../../javax/xml/transform/stream/StreamResult.html"><CODE>StreamResult</CODE></A>,
<A HREF="../../../javax/xml/transform/sax/SAXSource.html"><CODE>SAXSource</CODE></A> and
<A HREF="../../../javax/xml/transform/sax/SAXResult.html"><CODE>SAXResult</CODE></A>, and
<A HREF="../../../javax/xml/transform/dom/DOMS