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https://issues.apache.org/jira/browse/EXTCDI-79?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12933761#action_12933761
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Mark Struberg commented on EXTCDI-79:
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that's a very good idea! I think we still need to test/adopt this thingy to
make it rock solid - but hope it already does the fundamental things.
> introduce client side windowhandler
> -----------------------------------
>
> Key: EXTCDI-79
> URL: https://issues.apache.org/jira/browse/EXTCDI-79
> Project: MyFaces CODI
> Issue Type: New Feature
> Components: JEE-JSF20-Module
> Affects Versions: 0.9.0
> Reporter: Mark Struberg
>
> A typical JSF-2 application contains much more GET links than we used to see
> in JSF-1. Thus we have far more href link to cope with.
> With a classical approach we would not be able to simply add a windowId
> parameter to such links because if the user would open the link in a new
> browser window or tab, we would carry the windowId - and thus the window
> scope - over to the new browser tab/window.
> There is a method to prevent this problem by storing a value directly in the
> browser window via JavaScript. Usually this is done in the same page and gets
> executed in the onLoadEvent like described in Marios old Orchestra summary.
> See "Post render window detection" in
> http://myfaces.apache.org/orchestra/myfaces-orchestra-core/multiwindow.html
> The major downside of this solution is that we might already pollute
> 'foreign' beans (and destroy their information) while rendering the page.
> Our new approach now works around this issue by introducing a small static
> new html window which gets served via a small servlet
> (Jsf2WindowHandlerServlet). It gets an 'url' and after detecting a new window
> it will drop the windowId parameter via JavaScript on the client and forwards
> to the destination page. For creating the destination link I'll override the
> encodeBookmarkableURL in an ExternalContextWrapper.
> Instead of the original URL:
> http://localhost:8080/course/courseDetails.xhtml?windowId=1c9f&courseNr=101348&semester=2010W
> we will create a :
> http://localhost:8080/course/windowhandler?url=%2Fcourse%2FcourseDetails.xhtml%3FwindowId%3D1c9f%26courseNr%3D101348%26semester%3D2010W
> The windowhandler servlet serves a simple html which is cachable (TBD), thus
> it doesn't lead to duplicated server roundtrips (beside the first time).
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