[jbossseam-issues] [JBoss JIRA] Created: (JBSEAM-1729) Progress bar for s:fileUpload

[Yenan Zhou (JIRA)]

Progress bar for s:fileUpload
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                 Key: JBSEAM-1729
                 URL: http://jira.jboss.com/jira/browse/JBSEAM-1729
             Project: JBoss Seam
          Issue Type: Feature Request
          Components: Async
    Affects Versions: 2.0.0.BETA1
            Reporter: Yenan Zhou


This is the use case:

The website has users to upload very large files (probably videos), I'm trying to trace the course of the uploading by representing in browser a progress bar. But I don't know if I can do that by using s:fileUpload and how.

By my understanding, s:fileUpload tag uses a filter to store the input file, and map that file to an InputStream. My concern is, because UpdateModel jsf phase is very late in the lifecycle, at the time I have accessibility to the mapped InputStream, the file has already fully uploaded to some temporary place, and I can only use this InputStream to store the file elsewhere, and I lose the control in the course of the uploading. 

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