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https://issues.apache.org/jira/browse/CLK-389?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12699148#action_12699148
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Malcolm Edgar commented on CLK-389:
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>From my experience this type of feature is best provided through a dedicated
>Servlet. The problem with using a control in a page to render the file
>download, is that browsers may ignore the content type set in the header, and
>just look at the file request file extension (*.htm). When opening MS office
>files, Office will often display warning messages to users which people find
>confusing.
You also have to take care with GZIP compressing the content, as IE can have
issues with downloading ZIP file, which is being gzip encoded by the
PerformanceFilter. While in the next release you will be able to add
exclusions to PerformanceFilter, I think it is clearer to have it handled by a
Servlet.
regards Malcolm Edgar
> FileDownload Control.
> ---------------------
>
> Key: CLK-389
> URL: https://issues.apache.org/jira/browse/CLK-389
> Project: Click
> Issue Type: New Feature
> Affects Versions: 1.5 M1
> Reporter: Gustav Weber
> Assignee: Malcolm Edgar
>
> Add a FileDownload Control.
> (Click has a FileUpload, but no Download control :( ).
> It could be based on this post (but it should be simpler to use):
> http://takezoe.blogspot.com/2008/03/file-download-in-click-framework.html
> Also it should have more features (similar or partially symmetric to
> FileDownload):
> - support for resume connection (very important for bigger files, to allow
> users to resume in case of connection problems - this saves allot of traffic)
> - limit the size of the file to download (practical for dynamic content)
> - support for several file types.
> Advanced feature:
> - limit the bandwith per download connection - this would be very important
> to prevent blocking the server if the client has a very high bandwith.
> - limit the download duration - to prevent clients to hang the connection
> forever.
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