Request v Page scope?

[Howard Miller <me...@howardmiller.co.uk>]

Hi,

Can somebody explain (slowly) the difference between Request 
scope and Page scope - I particularly don't understand what the 
intended purpose of Page scope is.

HM

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Re: Request v Page scope?

["Craig R. McClanahan" <cr...@apache.org>]

On Tue, 15 Oct 2002, Howard Miller wrote:

> Date: Tue, 15 Oct 2002 20:45:10 +0100
> From: Howard Miller <me...@howardmiller.co.uk>
> Reply-To: Struts Users Mailing List <st...@jakarta.apache.org>,
>      me@howardmiller.co.uk
> To: struts Users Mailing List <st...@jakarta.apache.org>
> Subject: Request v Page scope?
>
> Hi,
>
> Can somebody explain (slowly) the difference between Request
> scope and Page scope - I particularly don't understand what the
> intended purpose of Page scope is.
>

In practice, there are only two places that the difference between
page scope and request scope show up:

* When you use <jsp:include> to dynamically include another
  page, the included page has its own *page* scope but shares
  the same *request* scope as the calling page.

* Page scope is a JSP thing only, not accessible from servlets
  or Java code called by servlets.  From a Struts perspective,
  that means it is pretty useless for passing objects from your
  Actions into the pages that will use them to render the
  display -- request scope is most commonly used for this.

> HM
>

Craig


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