private void enterNumber(PrintWriter writer, HttpServletRequest request) {
    writer.println("<form name=\"input\" action = \""+ request.getRequestURI() +"\" method=\"POST\">");
    writer.println("<table>");
    writer.println("<tr>");
    writer.println("<td>Name:</td><td><input type=\"text\" name=\"name\"></td><br/>");
    writer.println("</tr>");
    writer.println("<tr>");
    writer.println("<td>Phone Number:</td><td><input type=\"text\" name=\"phone\"></td><br/><br/>");
    writer.println("</tr>");
    writer.println("</table>");
    writer.println("<input type=\"submit\" value=\"Add\" name=\"add\">");
    writer.println("</form>");
  }
The view data store.
<code>null</code> indicates that the view properties should be used instead of the data store.
ambari-views/examples/phone-list-view/src/main/java/org/apache/ambari/view/phonelist/PhoneListServlet.java