[seam-dev] Can someone please take a look a this

[Gavin King]

Thanks for the note, Lincoln.

But the purpose of the redirect is not just to have a pretty URL ...
it's to make sure the browser refresh button performs a GET instead of
rePOSTing the form. Right?

On Sat, Nov 22, 2008 at 10:37 AM, Lincoln Baxter, III
<lincolnbaxter at gmail.com> wrote:
> Hi Guys,
>
> I'm the author of the PrettyFaces extension. I just thought I would provide
> some explanation.
> Currently, if you wish to create bookmarkable URLs in Seam, when you submit
> a form with validation that fails, the form URL will display the JSF view ID
> (eg. /faces/store/buy.jsf), at this point Seam will have to send a redirect
> to the browser to redirect them back to the proper URL (eg. /store/buy).
> This is alright, but it causes wasted bandwidth, increased client wait time,
> and extra CPU usage. On a high-load system, this can matter a lot.
>
> My solution simply replaces the JSF view ID in the HTTP <form> tag with the
> mapped page URL. This saves a redirect on validation, and also when you wish
> to redisplay the same page. (it also provides some other nice features, but
> those aren't really important in what's different between it and Seam)
>
> My source is available here and is licensed under the GPL3. Most of what I
> think you'd be interested in will be in the PrettyViewHandler class, which
> is ... simple. Have at it.
> http://ocpsoft.com/prettyfaces
>
> Let me know if you have any questions.
> Thanks,
> Lincoln
>
> ---------------------------------------------------------------------------------------------------------------------
>
> There is a URL rewrite filter that was introduced in Seam 2.1 to
>
> accomplish roughly the same thing, which was implemented by Norman.
> Taking a hint from JAX-RS, it's possible to define a pretty URL for a
> view ID in the page descriptor that transposes path info into request
> parameters.
>
> Example 1:
>    <page view-id="/search.xhtml">
>       <rewrite pattern="/search/{searchPattern}"/>
>       <rewrite pattern="/search"/>
>
>       <param name="searchPattern" value="#{searchService.searchPattern}"/>
>
>    </page>
>
> Example 2:
>     <page view-id="/entry.xhtml">
>         <rewrite pattern="/entry/{blogEntryId}" />
>         <rewrite pattern="/entry" />
>
>         <param name="blogEntryId"
>                value="#{blogEntry.id}"/>
>
>         <action execute="#{entryAction.loadBlogEntry(blogEntry.id)}"/>
>     </page>
>
> So if anything, we likely want to look at what discrepancies remain
> between the rewrite filter can do and what this guy is proposing.
> Norman?
>
> -Dan
>
> On Thu, Nov 13, 2008 at 3:07 PM, Gavin King <gavin at hibernate.org> wrote:
>> http://ocpsoft.com/uncategorized/jsf-get-bookmarkable-and-pretty-urls/
>>
>> Not sure what exactly they are doing, but perhaps we should steal
>> code? Not sure...
>>
>> --
>> Gavin King
>> gavin.king at gmail.com
>> http://in.relation.to/Bloggers/Gavin
>> http://hibernate.org
>> http://seamframework.org
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>> seam-dev mailing list
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>>
>
>
>
> --
> Dan Allen
> Software consultant | Author of Seam in Action
>
> http://mojavelinux.com
> http://mojavelinux.com/seaminaction
>
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-- 
Gavin King
gavin.king at gmail.com
http://in.relation.to/Bloggers/Gavin
http://hibernate.org
http://seamframework.org