By overriding the processPreprocess function you can check for your flag. If found simply return true to continue processing. Otherwise forward the user onto the login page.
* *James Adams wrote:
I have created an Action class which does session
validation by checking to see if a "loggedIn" flag is
set in the session - if it is absent, or set to false,
then I want to forward to the login page. However if
it is set to true then I don't want to do anything -
the execute() method should just complete and control
should return to the calling page. But the execute()
method must return an ActionForward, and it is
impossible to specify a forward name/path for this
case in the struts-config.xml since the path should be
the path of the page that the action is being called
from, and there is no way to know this information
beforehand. So I am wondering how can I (within the
execute() method of the SessionValidatorAction) create
an ActionForward to return which will indicate the
path of the calling page ? Is there a way to create
and return a "No Action" ActionForward ? Can I just
return null ?
I am including the action at the top of the JSPs via
<jsp:include page="SessionValidator"/>
The action mapping I'm currently using looks like this
<action path="/SessionValidator" type="mypkg.action.SessionValidatorAction"> <forward name="invalid" path="Login.jsp"/> <!-- it's here that I'd specify the path to forward to when the session is valid, but I can't know this path beforehand, since the validator is being included in multiple pages --> </action>
Is this the right approach/design ? If so how can I return an ActionForward from the SessionValidatorAction's execute() method which forwards control back to the calling page ? If not then how else should I go about this ?
Thanks in advance for your feedback. Please Cc: any rsponses to this email address.
-James
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