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https://issues.apache.org/jira/browse/MYFACES-4141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16285235#comment-16285235
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Thomas Andraschko commented on MYFACES-4141:
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ok, i understand it now but we have 2 different topics here:
1) Detect new resources in ajax requests and render them via
"javax.faces.Resource"
Thats the topic Leo and i were talking about - this is already implemented
and fine
2) use servlet 4.0 push to notify the client async about resources, which will
be required AFTER the html was received by the browser.
Thats a http2 feature to load resources even before rendering the view
finished
This feature is not implemented now but its actually quite easy to
implement:
1) upgrade to servlet4
2) detect servlet4 runtime onthefly - MF 2.3 should still work fine on
servlet3, just this feature shouldn't be available
3) if we are running on servlet4, get a pushbuilder and push each resource
url via:
request.getPushBuilder().path("myresourceurl.js").push();
The only question is: whats the best place to add this code?
> JSF 2.3 Spec Issue 1436 - MyFaces Implementation requires Server Push
> functionality
> -----------------------------------------------------------------------------------
>
> Key: MYFACES-4141
> URL: https://issues.apache.org/jira/browse/MYFACES-4141
> Project: MyFaces Core
> Issue Type: Bug
> Components: JSR-372
> Affects Versions: 2.3.0-beta
> Reporter: Paul Nicolucci
>
> The following spec issue does not look to be implemented in the MyFaces
> 2.3.0-beta: https://github.com/javaee/javaserverfaces-spec/issues/1436
> The following text was added to the JSF 2.3 specification section 2.2.6
> "Render Response":
> If running on a container that supports Servlet 4.0 or later, after any
> dynamic component manipulations have been
> completed, any resources that have been added to the UIViewRoot, such as
> scripts, images, or stylesheets, and any
> inline images, must be pushed to the client using the Servlet Server Push
> API. All of the pushes must be started
> before any of the HTML of the response is rendered to the client.
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