Hi,
I am not that much expert, I used the following javascript code before in each
page and it worked fine for me.
<script language="JavaScript">
var x=window.history.length;
if (window.history[x]!=window.location)
{
window.history.forward();
}
</script>
If it work for you I will be very happy.
Thank you.
-Ehtesham
--- On Thu, 1/22/09, Paweł Wielgus <poulw...@gmail.com> wrote:
From: Paweł Wielgus <poulw...@gmail.com>
Subject: Re: Handling Browser Back/Forward Button in Struts2
To: "Struts Users Mailing List" <user@struts.apache.org>
Date: Thursday, January 22, 2009, 12:34 AM
Hi Shekher,
it was very interesting subject, so i dig a little more.
Here [1] is what i found, with some tests.
Basicly it turns out that You should add headers in page and to response.
[1] -
http://poulwiel.blogspot.com/2009/01/browser-back-button-and-caching-problem.html
Best greetings,
Paweł Wielgus.
2009/1/21 shekher awasthi <shekher.awas...@gmail.com>:
> Is it possible that either i should only put these header in the logout
> action
>
> where i am removing the session and den redirecting the user to index page
> something like this
>
> HttpServletResponse response=null;
> response=ServletActionContext.getResponse();
>
> response.setHeader("Pragma", "no-cache");
> response.setHeader("Cache-Control", "no-cache");
> response.setHeader("Expires", "0");
>
> or can we create a interceptor which can do this for all the request wheer
> we want this feature??
>
> 2009/1/21 shekher awasthi <shekher.awas...@gmail.com>
>
>> i tried using setting the eader values but they are not working as expected
>> i can even
>>
>> go and move back using broswer back button.
>>
>> if i will find anything helpfull will share with you
>> till then hard luck
>> :)
>>
>> 2009/1/21 Paweł Wielgus <poulw...@gmail.com>
>>
>> Hi Shekher,
>>> what i meant is that it can be done from server side.
>>> Check for example Your e-banking application, i did it on mine :-).
>>> There, when You press back button browser won't serve You cached page
>>> but ask server for fresh one - this is controlled with content-cache
>>> and pragma, but i can't be more helpfull to You here because i haven't
>>> done it before.
>>>
>>> Best greetings,
>>> Paweł Wielgus.
>>>
>>>
>>> 2009/1/21 shekher awasthi <shekher.awas...@gmail.com>:
>>> > Hi Paweł,
>>> >
>>> > thats true it only send request to server if i will refresh the page
>>> and
>>> > for that i have already custom interceptor places which is checking the
>>> user
>>> > object in session in order to confirm that the request is from
>>> authorized
>>> > user
>>> >
>>> > but when i make use of back button it serve the page from the local
>>> > chache,so the problem is related to client side more than that of server
>>> > handling
>>> >
>>> > still trying to find a firm solution for it
>>> >
>>> > 2009/1/20 Paweł Wielgus <poulw...@gmail.com>
>>> >
>>> >> Hi Shekher,
>>> >> first try this scenario:
>>> >> 1. logout user
>>> >> 2. back button - check for logs if action was fired
>>> >> 3. refresh page - check for logs if action was fired
>>> >> Most likely only the 3. will fire action because browser will serve
>>> >> cached version of that page.
>>> >> I was about to write that to deal with it You can use https scheme,
>>> >> but i just got it checked and it's not true. So maybe using pragma and
>>> >> or cache-control will do?
>>> >>
>>> >> Still user can disable javascript so solution with script might not
>>> work.
>>> >> If You find out anything more please let us know.
>>> >>
>>> >> Best greetings,
>>> >> Paweł Wielgus.
>>> >>
>>> >>
>>> >> 2009/1/20 Robert Graf-Waczenski <r...@lsoft.com>:
>>> >> > You don't write if the browser back button is supposed to be
>>> functional
>>> >> in
>>> >> > your application (in many cases it is not, but YMMV).
>>> >> >
>>> >> > If you want to disable the browser back button, use the code below in
>>> all
>>> >> > your pages:
>>> >> >
>>> >> > <script type="text/javascript">
>>> >> > history.forward();
>>> >> > </script>
>>> >> >
>>> >> > I'm not aware of any feature in Struts2 that deals with the browser
>>> back
>>> >> > button.
>>> >> >
>>> >> > Robert
>>> >> >
>>> >> >
>>> >> > shekher awasthi wrote:
>>> >> >>
>>> >> >> Hi All,
>>> >> >>
>>> >> >> in the process of developing application using struts 2.0.11, i came
>>> >> >> across
>>> >> >> the problem of handling browser back/forward button.
>>> >> >>
>>> >> >> This problem is occurring when we will logout the user.On Clicking
>>> the
>>> >> >> logout button we are currently removing the user from the session
>>> >> >>
>>> >> >> and it worked fine for us. After the successful logout process user
>>> will
>>> >> >> be
>>> >> >> redirected to the index page(which have the login field),
>>> >> >>
>>> >> >> but when user hits the browser back button he is getting himself
>>> there
>>> >> in
>>> >> >> the secure page even we have remove the user object from the session
>>> >> >>
>>> >> >> below is the code we are using for removing the user
>>> >> >>
>>> >> >> session.remove(BSConstant.USER);
>>> >> >>
>>> >> >> i am clueless where we are doing wrong , as we think we are having
>>> two
>>> >> >> points
>>> >> >>
>>> >> >> 1) Either the user is not getting removed from the session,but the
>>> >> chances
>>> >> >> are very less as for all other call after logout it is forcing the
>>> user
>>> >> to
>>> >> >> login first.
>>> >> >>
>>> >> >> 2) Back button handling is not there
>>> >> >>
>>> >> >> my question is, Is there any way in struts2 to handle browser
>>> >> back/forward
>>> >> >> button or do i need to use some other technique like
>>> >> >>
>>> >> >> setting response header
>>> >> >>
>>> >> >> any suggestion in this regard will be much appreciated.
>>> >> >>
>>> >> >> -s
>>> >> >>
>>> >> >>
>>> >> >
>>> >> >
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>>> >> >
>>> >> >
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>>> >>
>>> >
>>>
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>>
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