public void rs2xml(ResultSet rs,
                  String tabla,
                  String elemento,
                 java.io.Writer out) throws java.io.IOException, SQLException {
    ResultSetMetaData rsmd=rs.getMetaData();
    out.write("<"+tabla+">\n");
    while (rs.next()) {
        out.write("    <"+elemento+">\n");
        for (int i = 1; i <= rsmd.getColumnCount(); i++) {
           out.write("        <"+rsmd.getColumnLabel(i).toLowerCase()+"><![CDATA[");
           String var=rs.getString(i);
           if (var!=null) {
                out.write(var);
           }
           out.write("]]></"+rsmd.getColumnLabel(i).toLowerCase()+">\n");
        }
        out.write("    </"+elemento+">\n");
    }
    out.write("</"+tabla+">\n");        
}