[jbossseam-issues] [JBoss JIRA] Commented: (JBSEAM-1350) Provide download component (e.g.<s:download value=#{FileManager.getFileById('10')" contentType="#{FileManager.contentType}" />)

[Daniel Roth (JIRA)]

    [ https://jira.jboss.org/jira/browse/JBSEAM-1350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12444396#action_12444396 ] 

Daniel Roth commented on JBSEAM-1350:
-------------------------------------

Committed. Docs to go!

> Provide download component (e.g.<s:download value=#{FileManager.getFileById('10')" contentType="#{FileManager.contentType}" />)
> -------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: JBSEAM-1350
>                 URL: https://jira.jboss.org/jira/browse/JBSEAM-1350
>             Project: Seam
>          Issue Type: Feature Request
>          Components: JSF Controls
>            Reporter: jarkko Lietolahti
>            Assignee: Daniel Roth
>             Fix For: The future
>
>         Attachments: download.patch
>
>
> <s:download value=#{FileManager.getFileById('10')" contentType="#{FileManager.contentType}" />
> We're going to create new (more general component) which allows the user to download a  file (any resource, Excel file, Document whatever). 
> The plan is to create a new UI component named UIDownload which has attributes like value, contentType (some more?).
> 1) UIDownload a backing bean (value) (is this still valid word in the seam world?) to generate the data ( allow byte[], OutputStreams ?). 
> 2) UIDownload creates DownloadResource which is stored in DownloadStore.
> 3) UIDownload generates HTML which redirects the browser to ResourceServlet 
> 4) ResourceServlet then uses DownloadResource to get hold of the data and the pushes it to browser
> The reason for this is that we're building portlets with Seam and it's impossible to "download" files from a portal environment without additional servlet and we think it's good idea to reuse existing stuff. 
> Patch coming soon (if we can make it work ;)

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