Wahoo. I'm getting really good results chunking base64 over RPC calls into a
entity. After the chunks are all sent, I recombine the chunks and decode
into bytes for save the file to blobstore.
I am having so much more control with chunking, I'm starting to dig it. :)
Brandon Donnelson
Trying the file channel reader:
More here
-
http://code.google.com/p/gwt-examples/wiki/DemoGAEMultiFileBlobUpload?ts=1303485150updated=DemoGAEMultiFileBlobUpload
private byte[] getImageBytes_v2(BlobData blobData) {
if (blobData == null || blobData.getKey() == null) {
return null;
My work around to fetch data even when I don't know the exact filesize or
ending EOF.
private byte[] getImageBytes(BlobData blobData) {
if (blobData == null) {
return null;
}
BlobKey blobKey = new BlobKey(blobData.getKey());
if (blobKey == null) {
return null;
Try uploading this image:
private String getFile() {
String s = ; // data:image/png;base64,
s =
BlobInfo Reports 8472 bytes and it should be 6353 bytes. Which
is approximately 137% (6183 bytes) smaller, which gives me the impression
that headers were not account for in the calculation.
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Here is the image that was uploaded on the dev side. This also happens on
the production side.
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To
http://code.google.com/p/googleappengine/issues/detail?id=4265 - Related
issue
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This is why I started this post. I can't iterate the blobdata or fetch the
blob data for image transformation because I can't figure out the correct
length of the blob.
private byte[] getImageBytes(BlobData blobData) {
if (blobData == null) {
return null;
}
BlobKey blobKey
I noticed a fetchdata error b/c the fetchdata index is based on zero ordinal
long limit = offset + chunkSize - 1;
if (filesize limit) {
limit = filesize - 1; // adding a minus 1
}
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My limit doesn't solve the base64 size.
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