 is provided it reads the
 first sheet of the workbook.
     <DL><DT><B>Parameters:</B></DT><DD><code>name</code> -  The name of the underlying file</DD><DD><code>stream</code> -  The InputStream of the excel (xls) file</DD><DD><code>sheet</code> -  The name of the sheet to process</DD></DL><DL><DT><B>Returns:</B></DT><DD>The XlsSource of the underlying excel data.</DD></DL></p>
                            </li>
                        </ul>
                    
                        <a name="xls(java.io.