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Subject: RE: How to use ActionInterceptor.afterNestedIntercept()
Date: Thu, 3 Mar 2005 15:22:44 -0800
Message-ID: 
 <4DEF16167D0B3A4889E4C5940F9E5B1C047ECE48@cacexc03.americas.cpqcorp.net>
Thread-Topic: How to use ActionInterceptor.afterNestedIntercept()
Thread-Index: AcUgQvYFgrdxL4n7Saa+LsAhDrkenAAA7DxQ
From: "Yee, Sunny K" <sunny.yee@hp.com>
To: "Beehive Users" <beehive-user@incubator.apache.org>

Hi Richard,

It works, and I don't see the warnings either with your files.   I
didn't know about the 'returnAction' and 'nestedDone' usage.   Does the
'nestedDone' string have special meaning?

@Jpf.Controller(
    nested=3Dtrue,
    simpleActions=3D{
        @Jpf.SimpleAction(name=3D"begin", path=3D"index.jsp"),
        @Jpf.SimpleAction(name=3D"done", returnAction=3D"nestedDone")
    }
)

Thanks,
Sunny

-----Original Message-----
From: Richard Feit [mailto:richard.feit@bea.com]=20
Sent: Thursday, March 03, 2005 2:47 PM
To: Beehive Users
Subject: Re: How to use ActionInterceptor.afterNestedIntercept()

Hi Sunny,

Sorry for the late reply -- I'm away with spotty internet access.

Comments/questions inline.

Yee, Sunny K wrote:

>Hi Richard,
>
>I tried testing with your files, but I still don't see the
>afterNestedIntercept() method being called.   I used
>/interceptedMe/begin.do and /interceptedMe/another.do URLs.
>
>My console output when I use the /interceptedMe/another.do URL:
>
>...
>in preAction() in test.MyTestInterceptor
>02 Mar 2005 16:49:48,624 WARN  ActionInterceptorContext []: Dropping=20
>non-serializable request attribute bundle=20
>({_defaultValidationMessages=3Dorg.apache.beehive.netui.script.common.Bu=
n
>d
>leContext$StrutsBundleNode@c38157}).
>02 Mar 2005 16:49:48,624 WARN  ActionInterceptorContext []: Dropping=20
>non-serializable request attribute _netui:servletContext=20
>(org.apache.catalina.core.ApplicationContextFacade@1609c13).
>(nothing after this)
>
>Are the warnings an issue?
>
> =20
>
This shouldn't be a problem, although I need to look into why this is
happening (or what to do about it to get rid of the warnings).

>>The /nested page flow can be any nested page flow that returns through
>>   =20
>>
>a returnAction.
>
>My nested page flow selects a 'begin' action where it forwards to a=20
>'index.jsp'.  Do I have to do anything special, e.g. calling a page=20
>flow method, in my 'begin' action.
>
> =20
>
Just to make sure, when you're in your nested page flow, are you hitting
an action that returns a Forward like this one:
     @Jpf.Forward(name=3D"exit", returnAction=3D"nestedDone") ?

>Is it also true that if an action matches more than one of the=20
>configured interceptors, e.g. I setup a pageflow interceptor and a=20
>interceptor for an action, then only one interceptor gets invoked.  The

>more general interceptor is selected to run; in my ex, the pageflow=20
>interceptor.
>
> =20
>
That's actually a bug on my part -- all of the appropriate interceptors
should be run.  If that's not happening for you, would you mind filing a
bug on me (http://issues.apache.org/jira/browse/BEEHIVE )?

I'm going to send you a zip of my app -- would you confirm that it works
on your end (i.e., that afterNestedIntercept() is called)?  That might
help clear up any variables.

Rich

>Thanks,
>Sunny
>
>-----Original Message-----
>From: Richard Feit [mailto:richard.feit@bea.com]
>Sent: Wednesday, March 02, 2005 1:01 PM
>To: Beehive Users
>Subject: Re: How to use ActionInterceptor.afterNestedIntercept()
>
>Last try at attachments -- including most of the relevant files as
text:
>    /interceptMe/Controller.jpf
>    /interceptMe/index.jsp
>    /WEB-INF/src/test/MyInterceptor.java
>    /WEB-INF/netui-config.xml
>
>The /nested page flow can be any nested page flow that returns through=20
>a returnAction.
>
>
>Richard Feit wrote:
>
> =20
>
>>Hi Sunny,
>>
>>Basically, afterNestedIntercept() works in the following situation:
>>   - Your ActionInterceptor is invoked on a request for an action, and
>>   - in preAction it calls setOverrideForward() with an=20
>>InterceptorForward that points to a nested page flow (i.e., it=20
>>"injects" a nested page flow before the desired action).
>>
>>Your afterNestedIntercept() is called when the nested page flow is=20
>>done -- when one of its actions forwards to a 'returnAction' (let me=20
>>know if you need more info on that).  It's invoked *before* you=20
>>actually get to the original desired action, and if you want you can=20
>>even change the destination by calling setOverrideForward().
>>
>>You're right -- you configure action interceptors in netui-config.xml.

>>You can do it globally (every action), per-pageflow, or per-action. =20
>>Here's a simple per-pageflow example:
>>   <pageflow-action-interceptors>
>>       <per-pageflow>
>>           <pageflow-uri>/interceptMe/Controller.jpf</pageflow-uri>
>>           <action-interceptor>
>>
>>   =20
>>
><interceptor-class>test.MyInterceptor</interceptor-class>
> =20
>
>>           </action-interceptor>
>>       </per-pageflow>
>>   </pageflow-action-interceptors>
>>
>>I'm going to try to attach a full example in a subsequent email, but=20
>>if it bounces on the list, I'll send it directly to you.
>>
>>Rich
>>
>>
>>Yee, Sunny K wrote:
>>
>>   =20
>>
>>>I'm trying to understand the ActionInterceptor functionality, and
>>>     =20
>>>
>can't
> =20
>
>>>get the afterNestedIntercept() method for my ActionInterceptor class
>>>     =20
>>>
>to
> =20
>
>>>be invoked. =20
>>>Is it a configuration in /WEB-INF/netui-config.xml that will make
>>>     =20
>>>
>that
> =20
>
>>>happen?  An example would be helpful.
>>>
>>>I'm using the Beta code downloaded from the svn source repository.
>>>
>>>Thanks for any help.
>>>
>>>
>>>     =20
>>>
>
> =20
>