s URI. 
<p>
If a non-null value is passed in and the host value is null, then an exception is thrown.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>newUserInfo</em>&nbsp;</td><td>the userinfo for this URI </td></tr>
  </table>
</dl>

</div>
</div><p>
<a class="anchor" name="f5f89464b133503ca6e3950abfec7c79"></a><!-- doxytag: member="XMLUri::setHost" ref="f5f89464b133503ca6e3950abfec7c79" args="(const XML