Someone already have implemented it using some kind of GAE api:

http://groups.google.com/group/gwtupload/browse_thread/thread/49857a006a7baa46

Denis


On 20.8.2011, at 12:15, Denis Stepanov wrote:

> Override FileItemFactory using IOC: 
> http://tapestry.apache.org/ioc-cookbook-overriding-ioc-services.html
> 
> your FileItemFactory implementation will need to return simple implemention 
> of FileItem, request is writing a file using outputstream, so you need a 
> ByteArrayOutputStream to write to.
> 
> http://commons.apache.org/fileupload/apidocs/org/apache/commons/fileupload/FileItemFactory.html
> http://commons.apache.org/fileupload/apidocs/org/apache/commons/fileupload/FileItem.html
> 
> Denis
> 
> On 20.8.2011, at 10:45, bhorvat wrote:
> 
>> I know what the problem is the problem, I have read in couple of places a
>> general idea what one should do about all of this but sadly I do not possess
>> the necessary knowledge to implement that. 
>> 
>> If I use the HttpServletRequest with the @Inject annotation and use
>> getInputStream() method what else do I need to change. How do I create a
>> form? Can I use <t:form> component? Also where do I send the date from that
>> form? Where do I write the method that will handle the upload? Do I need to
>> write a service for that and how do I do that?
>> 
>> If you guys have some semi code or some resource link to help me out, I
>> would appreciate it. There are a lot of things that I don't know about
>> tapestry so a couple of words in the right direction won't help me much.
>> Sorry about that :)
>> 
>> --
>> View this message in context: 
>> http://tapestry.1045711.n5.nabble.com/Tapestry-upload-and-Google-App-Engine-tp4717221p4718052.html
>> Sent from the Tapestry - User mailing list archive at Nabble.com.
>> 
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