Hello Anuja,
When you upload a file to the blobstore, in the /_ah/upload callback you
can grab the BlobKey that was uploaded:
BlobstoreService blobstoreService =
BlobstoreServiceFactory.getBlobstoreService();
Map<String, List<BlobKey>> blobs = blobstoreService.getUploads(request);
BlobKey *blobKey* = blobs.get("file").get(0);
You need that blobkey to access the file again. If you want to accecss the
file later, you might want to store it somewhere in the datastore.
With the BlobKey you can retrieve a byte[] of the file to do whatever you
want:
byte[] file = blobstoreService.fetchData(*blobKey*, 0,
BlobstoreService.MAX_BLOB_FETCH_SIZE-1);
Hopes that helps.
Good luck!
2013/11/14 anuja bothra <anujabot...@gmail.com>
> Hi,
>
> I have data in an excel sheet.
> I need to read that data and save it to the datastore.
>
> I am able to upload the excel to blobstore.
> How do I get the excel file path to pass to POI (so that I can read the
> cell contents) ?
> My code is in Java
>
> Thanks,
> Anuja
>
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