Hi John,
Find below the code snippet(Please ignore mistakes, I am a novice...), that
you have desired,
I agree that some people may require this and some may not, and thanks for
your motivating gesture.
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
I have added following lines of code in the end of processActionPerform, (
after calling super.processActionPerform)
We maintain an object named UserContext in the session scope. here it has
been obtained with the name "uc"
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
ActionForward af = super.processActionPerform(request, response, action,
form, mapping);
Stack fwdStack = uc.getActionFwdStack();
if ( fwdStack.size() == 0 )
{
fwdStack.push(af.getPath());
}
else if (!((String)fwdStack.lastElement()).equals(af.getPath()))
{
fwdStack.push(af.getPath());
}
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
I have provided following method in the overridden DispatchAction class.
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
public ActionForward getCallingForward(HttpServletRequest request)
{
UserContext uc = getUserContext(request);
Stack fwdStack = uc.getActionFwdStack();
if ( fwdStack.size() > 0 )
{
fwdStack.pop();
}
String stPath = (String)fwdStack.peek();
ActionForward af = new ActionForward("CallingPage", stPath, false);
return af;
}
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Regards,
Puneet Agarwal
Tata Consultancy Services,
C-56, Phase - II, NOIDA 201305 (India)
Phone: +91-120-2461001, 2, 7, 8, 9, 12, 13 (Ext. 1044)
FAX : +91-120-246 1521
Struts ... Action ... Struts in Action ... Action in Struts ...
john sessler
<jqualityone@ To: Struts Developers List <[EMAIL
PROTECTED]>
yahoo.com> cc:
Subject: Re: What Do U think abt this
feature
10/19/03
10:13 PM
Please
respond to
"Struts
Developers
List"
Hello Puneet,
Your extension looks useful to me. Thats just my opinion; others will
decide whether your ideas and code become part of Struts.
If your design includes a new request processor then it should work for
anyone needing your functionality and not needing the functionality
provided by some other request processor. This can be a go or no go
decision for some applications.
I see that you have overriden the processActionPerform method of the
request processor. There is ongoing work and discussion, much of it recent,
on how to best facilitate action invocation and control flow within the
Struts environment. I would be interested in seeing your implementation of
the processActionPerform method but, again, only from a curiosity
standpoint.
John A. Sessler
Puneet Agarwal <[EMAIL PROTECTED]> wrote:
Struts Developers,
This is one of my first few mails to this forum. I have been using struts
for almost 2 years now.
In our applications we have been having a need to navigate from one page to
another in a cris-cross manner.
Say a screen J1 could have been called from number of screens J2 to Jn.
On the Page J1 there is a close button or return button which causes the
control to return to the Calling page.
So we need an intellegence in the application to remember the stack of
screens.
We have implemented this by overriding the processActionPerform method of
RequestProcessor Class. There we maintain a java.util.Stack of the
ActionForwards.
And we have also extended the DispatchAction Class, where we have provided
a metod named getCallingForward(). Which returns an actionForward of the
last element in Stack.
If you guys think it can of any use, I shall pass it across.
Regards,
Puneet Agarwal
Tata Consultancy Services,
C-56, Phase - II, NOIDA 201305 (India)
Phone: +91-120-2461001, 2, 7, 8, 9, 12, 13 (Ext. 1044)
FAX : +91-120-246 1521
Struts ... Action ... Struts in Action ... Action in Struts ...
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