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Re: WORedirect with a known MIME type?
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Re: WORedirect with a known MIME type?


  • Subject: Re: WORedirect with a known MIME type?
  • From: Hugi Thordarson <email@hidden>
  • Date: Mon, 10 Oct 2016 00:23:32 +0000

If I understand your problem correctly, you want a redirect to convey information about the file being redirected to. AFAIK that’s not possible, you’ve directed the user towards a totally separate URL with it’s own headers (including mime type).

If you can’t control the headers of the actual file to be downloaded, a workaround might be to make your app read the files from the final location and serve the data yourself (as you mention). If you do it through a stream, it shouldn’t incur a large cost in terms of memory or CPU. And you’ll have full control over your headers.

Cheers,
- hugi



> On 9. okt. 2016, at 19:24, email@hidden wrote:
>
> Hello there,
>
> at the moment, my application can return a file to the user through
>
> ===
>    WOResponse downloadFile(String mimeType, File path) {
>        WOResponse wor=new WOResponse()
>        wor.setHeader("$mimeType; name=\"$path.name\"","content-type")
>        wor.setContent(path.getText("utf-8"))
>        wor.disableClientCaching()
>        wor.removeHeadersForKey("Cache-Control")
>        wor.removeHeadersForKey("cache-control")
>        wor.removeHeadersForKey("pragma")
>        wor
>    }
> ===
>
> The 'path' though happens to map to an URL, accessible directly through the HTTP server (without a need to go through the application at all). Therefore, I would like to replace the code above by something like
>
> ===
>    WORedirect downloadFile(String mimeType, File path) {
>        WORedirect wor=new WORedirect(context())
>        wor.setUrl(URLForFile(path))
>        wor
>    }
> ===
>
> to save, especially for bigger files, the memory and CPU. Nevertheless, I can't see any way how to set the MIME type; is there any trick to do that?
>
> Thanks,
> OC
>
>
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