How to do that with session?
I am currently setting it in the execute() and render method with the
following code:
req.setAttribute("RedirectHelpForm", redirectHelpForm);
but this is for request rather than session?
Thanks for the suggesion.
sam
On Thu, Jun 25, 2009 at 3:09 PM, Nils-Helge Garli
Hegvik<[email protected]> wrote:
> Haven't looked very deeply into it, but could it be that you're
> setting the attribute in the action phase, and trying to access it in
> the render phase? That won't work. In that case, you have to set it as
> a session attribute, or set some kind of id as a render parameter and
> re-fetch the object in the render phase.
>
> Nils-H
>
> On Thu, Jun 25, 2009 at 7:03 AM, Sam Wun<[email protected]> wrote:
>> Hi,
>>
>> I noticed the setAttribute() method is called too late in one of my
>> Action class:
>>
>> import javax.portlet.PortletConfig;
>> import javax.portlet.RenderRequest;
>> import javax.portlet.RenderResponse;
>>
>> import org.apache.struts.action.ActionForm;
>> import org.apache.struts.action.ActionForward;
>> import org.apache.struts.action.ActionMapping;
>>
>> /***
>> * @struts.action name="RedirectHelpForm"
>> path="/struts_redirect_portlet/help"
>> * attribute="redirectHelpForm"
>> * scope="session"
>> * input="/portlet/struts_redirect_portlet/help.jsp"
>> * @struts.action-forward name="help"
>> path="/portlet/struts_redirect_portlet/help.jsp" redirect="false"
>> * @struts.action-forward name="step3"
>> path="/portlet/struts_redirect_portlet/step3.jsp" redirect="false"
>> */
>>
>> public class RedirectHelpAction extends PortletAction {
>>
>> public ActionForward execute(
>> ActionMapping mapping, ActionForm form,
>> HttpServletRequest req,
>> HttpServletResponse res)
>> throws Exception {
>> RedirectHelpForm redirectHelpForm = (RedirectHelpForm) form;
>> req.setAttribute("RedirectHelpForm", redirectHelpForm);
>>
>> String name = redirectHelpForm.getName().trim();
>> if ( name.length() > 0) {
>> return mapping.findForward("step3");
>> }
>>
>> return mapping.findForward("help");
>> }
>>
>>
>> public ActionForward render(
>> ActionMapping mapping, ActionForm form,
>> PortletConfig config,
>> RenderRequest req, RenderResponse res)
>> throws Exception {
>> RedirectHelpForm redirectHelpForm = (RedirectHelpForm) form;
>> req.setAttribute("redirectHelpForm", redirectHelpForm);
>>
>> return mapping.findForward("help");
>> }
>> }
>>
>> The consequence of that is resulting a "cannot find bean in any scope".
>>
>> Actully when the page is died on this reason, I press the back button
>> of the browser go back to the previous page, and then pressed the
>> Submit button again, the error would go disappear, because the
>> RedirectHelpForm bean is alerady populated in the class
>> RedirectHelpAction, however not in the class RedirectAction.
>> The code of RedirectAction is shown as below:
>>
>> /** @struts.action name="RedirectForm" path="/struts_redirect_portlet/input"
>> * attribute="redirectForm"
>> * scope="session"
>> * input="/portlet/struts_redirect_portlet/input.jsp"
>> *
>> * @struts.action-forward name="input"
>> path="/portlet/struts_redirect_portlet/input.jsp" redirect="false"
>> * @struts.action-forward name="help"
>> path="/portlet/struts_redirect_portlet/help.jsp" redirect="false"
>> */
>> public class RedirectAction extends PortletAction {
>>
>> public ActionForward execute(
>> ActionMapping mapping, ActionForm form,
>> HttpServletRequest req,
>> HttpServletResponse res)
>> throws Exception {
>>
>> RedirectForm redirectForm = (RedirectForm) form;
>> // req.setAttribute("redirectForm", redirectForm);
>>
>> String comment = redirectForm.getComment().trim();
>> if ( comment.length() > 0) {
>> return mapping.findForward("help");
>> }
>>
>> return mapping.findForward("input");
>>
>> }
>>
>>
>> public ActionForward render(
>> ActionMapping mapping, ActionForm form,
>> PortletConfig config,
>> RenderRequest req, RenderResponse res)
>> throws Exception {
>>
>> return mapping.findForward("input");
>> }
>> }
>>
>> Can anyone tell me how to pre-setAttribute for an upcoming Form in an
>> Action class?
>> It sounds weried. but I couldn't find a way to get rid of the error.
>>
>> Thanks
>>
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>>
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