Constants</CODE></A>.<DD>java.lang.NullPointerException - If  <code>source</code> or 
 <code>returnType</code> is <code>null</code>.</DL>
</DD>
</DL>
<HR>

<A NAME="evaluate(org.xml.sax.InputSource)"><!-- --></A><H3>
evaluate</H3>
<PRE>
public java.lang.String <B>evaluate</B>(<A HREF="../../../../org/xml/sax/InputSource.html">InputSource</A>&nbsp;source)
                          throws <A HREF="../../../../javax/xml/xpath/XPathExpressionException.html">XPathExpressionException</A></PRE>
<DL>
<DD><p>Evaluat