Non-Orbeon Upload Service

Is it possible to use an Orbeon XForm to upload large files to a non-Orbeon service running within the same Tomcat JVM? I'm writing the UI for a configuration management system that must support very large files, and the person responsible for the server side knows nothing about Orbeon pipelines.

The problems I think might exist are:

• Unusual URLs that cannot be used outside of an Orbeon pipeline
• Large files may exhaust memory

Can anyone help, please?

Thanks,
-Jim



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You could store the files in a directory on the file system and call a url in the other webapp to tell it where to find the file etc.

Ryan
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Ryan Puddephatt
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----- Original Message -----
From: Jim Logan <[hidden email]>
To: [hidden email] <[hidden email]>
Sent: Tue Aug 05 18:49:31 2008
Subject: [ops-users] Non-Orbeon Upload Service

Is it possible to use an Orbeon XForm to upload large files to a non-Orbeon service running within the same Tomcat JVM? I'm writing the UI for a configuration management system that must support very large files, and the person responsible for the server side knows nothing about Orbeon pipelines.

The problems I think might exist are:


* Unusual URLs that cannot be used outside of an Orbeon pipeline
* Large files may exhaust memory

Can anyone help, please?

Thanks,
-Jim


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Ryan Puddephatt wrote:
> You could store the files in a directory on the file system and call a url in the other webapp to tell it where to find the file etc.
>  
Hi Ryan,

Thanks for the suggestion. I'm not sure how to do that, though, as I've
only read through the pipeline stuff casually. Can you give me any more
hints?

-Jim



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You could use the file serializer to save the file, I think there is a processor to create a uuid, if not you could create one so all the files are uniquely names

Then call a service in the other app something like

/app/service?file=blah.zip

Ryan
------------------------
Ryan Puddephatt
FIX Developer
Fidessa LatentZero
1 Alfred Place
London WC1E 7EB
Office: +44 (0) 20 7462 4200
Direct: +44 (0) 20 7323 6112
Blackberry: +44 (0) 79 8539 2458
Fax: +44 (0) 20 7462 4242
Email: [hidden email]
Web: http://www.latentzero.com
Sent from my blackberry device

----- Original Message -----
From: Jim Logan <[hidden email]>
To: [hidden email] <[hidden email]>
Sent: Tue Aug 05 21:13:26 2008
Subject: [ops-users] Re: Re: Non-Orbeon Upload Service

Ryan Puddephatt wrote:
> You could store the files in a directory on the file system and call a url in the other webapp to tell it where to find the file etc.
>  
Hi Ryan,

Thanks for the suggestion. I'm not sure how to do that, though, as I've
only read through the pipeline stuff casually. Can you give me any more
hints?

-Jim



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Jim,

On Tue, Aug 5, 2008 at 1:13 PM, Jim Logan <[hidden email]> wrote:
> Thanks for the suggestion. I'm not sure how to do that, though, as I've only
> read through the pipeline stuff casually. Can you give me any more hints?

Let's see if this works for you: if the file is uploaded with an
xforms:upload, if you set the type of the node to be xs:anyURI, then
you you will have a URI pointing to a temporary file in that node. The
file will be deleted by Orbeon Forms when the user's session expires.
So you can just pass this URI to your other application which can then
read the content of the file.

Alex
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Alessandro Vernet wrote:
What would that application get if I just did a submission to it that
included the file upload with the xs:anyURI type of node? Would it be
able to use the temporary file URI? Would it be a normal "file:" URI, or
a special Orbeon URI?

Thanks,
-Jim



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You can.

 From XForms, this is possible:

   http://www.orbeon.com/ops/doc/reference-xforms-2#submission-binary

But the file is temporarily stored in memory, which we consider a bug:

   http://tinyurl.com/5zwhq4

-Erik

On Aug 5, 2008, at 10:49 AM, Jim Logan wrote:
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Jim,

On Wed, Aug 6, 2008 at 8:24 AM, Jim Logan <[hidden email]> wrote:
> What would that application get if I just did a submission to it that
> included the file upload with the xs:anyURI type of node? Would it be able
> to use the temporary file URI? Would it be a normal "file:" URI, or a
> special Orbeon URI?

Yes, it will be a regular file: URI, and the file will be in your temp
directory (not in the Orbeon Forms resources).

Alex
--
Orbeon Forms - Web 2.0 Forms, open-source, for the Enterprise
Orbeon's Blog: http://www.orbeon.com/blog/
Personal Blog: http://avernet.blogspot.com/
Twitter - http://twitter.com/avernet


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