Oh, when you said implement PreResultListener the way I tried it out was
public class MenuInterceptor implements Interceptor, PreResultListener {
public String intercept(ActionInvocation actionInvocation) throws Exception
{
ActionContext ac = actionInvocation.getInvocationContext();
String result = actionInvocation.invoke();
LOG.debug("menu from session at end of intercept is:
"+ac.getSession().get("menu"));
return result;
}
@Override
public void beforeResult(ActionInvocation actionInvocation, String arg1) {
ActionContext ac = actionInvocation.getInvocationContext();
if( null==ac.getSession().get("menu")){
menu = parser.getMenu();
ac.getSession().put("menu", menu);
}
}
}
I was hoping beforeResult would be invoked by the framework which did not.
Glad that it is working now.
Thank you.
Regards,
JK
On Wed, Nov 16, 2011 at 2:43 PM, Dave Newton <davelnew...@gmail.com> wrote:
> That's what implementing a PreResultListener means; it's an interface, you
> implement one.
>
> I still think the whole PreResultListener thing is a bit opaque, I wrote up
> something about that a couple of years ago--I need to dig that up.
>
> Dave
>
> On Wed, Nov 16, 2011 at 5:38 PM, Jyothrilinga Rao <jyoth...@gmail.com
> >wrote:
>
> > if my action determines that what is present in session is no more valid,
> > then it would clear this object from session. My interceptor has to check
> > and set the correct object in session after action has returned.
> >
> > The setting in session has to happen after action invocation and before
> JSP
> > rendering.
> >
> > Interceptor implementing PreResultListener did not work for me.
> >
> > I could get it working with the following snippet.
> > invocation.addPreResultListener(new PreResultListener() {
> > });
> >
> > Thank you,
> > JK.
> >
> > On Wed, Nov 16, 2011 at 11:45 AM, Dave Newton <davelnew...@gmail.com>
> > wrote:
> >
> > > I think the goal was to do the check after the action executes,
> > though--if
> > > not, then yep, just doing it before the invocation is enough.
> > >
> > > If the check needs to happen between action invocation and the JSP
> > > rendering, then the interceptor should implement a PreResultListener,
> > which
> > > is called after invocation, but before JSP rendering.
> > >
> > > Dave
> > >
> > > On Wed, Nov 16, 2011 at 2:41 PM, Bruno Klava <bkl...@gmail.com> wrote:
> > >
> > > > How about setting your object in session before the action
> invocation,
> > > > i.e, before actionInvocation.invoke()?
> > > >
> > > > Bruno
> > > >
> > > > On Wed, Nov 16, 2011 at 4:09 PM, Jyothrilinga Rao <
> jyoth...@gmail.com>
> > > > wrote:
> > > > > Hi,
> > > > >
> > > > > I have the following configuration snippet in my struts.xml:
> > > > >
> > > > >
> > > > > <package name=*"default"* namespace=*"/"*
> extends=*"struts-default"*>
> > > > > <interceptors>
> > > > > <interceptor name="interceptor1"
> > > > > class="com.abc.interceptors.MenuInterceptor">
> > > > > </interceptor>
> > > > > <interceptor-stack name="myStack">
> > > > > <interceptor-ref name="defaultStack">
> > > > > <param name="exception.logEnabled">true</param>
> > > > > <param name="exception.logLevel">ERROR</param>
> > > > > </interceptor-ref>
> > > > > <interceptor-ref name="interceptor1" />
> > > > > </interceptor-stack>
> > > > > </interceptors>
> > > > > <default-interceptor-ref name="myStack"></default-interceptor-ref>
> > > > >
> > > > > i.e I have a interceptor which I am calling after the defaultStack
> > > > executes.
> > > > >
> > > > > My MenuInterceptor has the following code fragment in my intercept
> > > method
> > > > > of MenuInterceptor
> > > > >
> > > > > ActionContext ac = actionInvocation.getInvocationContext();
> > > > > String result = actionInvocation.invoke();
> > > > >
> > > > > if( null==ac.getSession().get("menu")){
> > > > > menu = parser.getMenu();
> > > > > ac.getSession().put("menu", menu);
> > > > > }
> > > > > LOG.debug("menu from session at end of intercept is:
> > > > > "+ac.getSession().get("menu"));
> > > > > return result;
> > > > >
> > > > > i.e after the action logic executes, I am checking if the sesssion
> > has
> > > > the
> > > > > object. if the object is not present I am populating it and storing
> > in
> > > > the
> > > > > session.
> > > > > my LOG outputs valid object in the first launch also.
> > > > >
> > > > > When I execute for the first time, the menu object is not available
> > in
> > > > the
> > > > > JSP, however if I refresh the page, the menu object is available in
> > the
> > > > JSP.
> > > > > I could not have my custom interceptor to execute after the default
> > > > > interceptors stack as the result already gets comitted and I cannot
> > put
> > > > > object in my session.
> > > > > I suspect there is something done by some interceptor in the
> default
> > > > stack
> > > > > which I am missing.
> > > > >
> > > > > Could you please let me know how I can set something in session in
> > > > > Interceptor and have it available in my JSP.
> > > > >
> > > > > Thanks,
> > > > > JK
> > > >
> > > > ---------------------------------------------------------------------
> > > > To unsubscribe, e-mail: user-unsubscr...@struts.apache.org
> > > > For additional commands, e-mail: user-h...@struts.apache.org
> > > >
> > > >
> > >
> >
>
