In many cases, a portlet is designed to dispatch to one or more JSPs. This lets you format the presentation of the portlet output in a page. The Helloworld portlet uses a simple page located at <ATG11dir>/Portlet/helloworld/helloworld/helloworld/html/index.jsp
. There is nothing that makes this page different from a non-portlet JSP that uses a form handler.
The Helloworld index.jsp
page uses the HelloWorldFormHandler
. This line in the index.jsp
page sets the actionURL
variable, which is used in the action attribute of a form tag:
<c:set var="actionURL"><portlet:actionURL/></c:set>
The core of the index.jsp
page accesses the HelloWorldFormHandler
with the form
and input submit
tags from the dpsel
tag library.
<dspel:form method="post" action="${actionURL}"> <table> <tr> <td><label class="portlet-form-label" for="message"> <fmt:message key="label-message"/></label></td> <td><dspel:input iclass="portlet-form-input-field" type="text" bean="HelloWorldFormHandler.message" id="message"/></td> </tr> <tr> <td> </td> <td><dspel:input iclass="portlet-form-button" type="submit" bean="HelloWorldFormHandler.update"/></td> </tr> </table> </dspel:form>