I'm trying to use the new File/Blob API which was released in the
1.4.3 version.
I have no problem storing files < 1MB.
for larger files I'm splitting the writting into smaller chunks of
800KB

private void putInBlobstore(String mt, byte[] data) throws Throwable {
     final FileService fileService =
FileServiceFactory.getFileService();
     final AppEngineFile file = fileService.createNewBlobFile(mt);
     final FileWriteChannel writeChannel =
fileService.openWriteChannel(file, true);
     int pos = 0;
     final long dataLen = data.length;
     while (pos < dataLen) {
        final int hm = (int) Math.min(dataLen - pos, 800000);
        final int actual = writeChannel.write(ByteBuffer.wrap(data, pos,
hm));
        pos += actual;
     }
     writeChannel.closeFinally();
}

but it didn't work :-( I also tried to create different files for each
of the chunks (i.e. put file, and writeChannler creation inside the
loop),

private void putInBlobstore(String mt, byte[] data) throws Throwable {
     int pos = 0;
     final long dataLen = data.length;
     while (pos < dataLen) {
        final FileService fileService =
FileServiceFactory.getFileService();
        final AppEngineFile file = fileService.createNewBlobFile(mt);
        final FileWriteChannel writeChannel =
fileService.openWriteChannel(file, true);
        final int hm = (int) Math.min(dataLen - pos, 800000);
        final int actual = writeChannel.write(ByteBuffer.wrap(data, pos,
hm));
        pos += actual;
     }
     writeChannel.closeFinally();
}
but it didn't work as well :-(
Can you please elaborate the term "1MB per API call" which API ?
Thanks in advance -- Yonatan


On Apr 2, 7:38 pm, Movesax <[email protected]> wrote:
> thanks very much, you've both cleared things up for me.

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