public BlobURI write(
final UUID messageId,
final Mailbox mailbox,
final String profileName,
final InputStream in,
final Long size)
throws IOException, GeneralSecurityException {
Assert.notNull(in, "No data to store");
BlobURI blobUri;
InputStream in1;
Long updatedSize = size;
boolean compressed = false;
// compress stream and calculate compressed size
if ((compressionHandler != null) && (size > MIN_COMPRESS_SIZE)) {
InputStream compressedInputStream = compressionHandler.compress(in);
FileBackedOutputStream fbout = new FileBackedOutputStream(MAX_MEMORY_FILE_SIZE, true);
updatedSize = ByteStreams.copy(compressedInputStream, fbout);
in1 = fbout.getSupplier().getInput();
compressed = true;
} else {
in1 = in;
}
if (updatedSize <= Configurator.getDatabaseBlobMaxSize()) {
logger.debug(
"Storing Blob in the database because size ({}KB) was less than database threshold {}KB",
updatedSize,
Configurator.getDatabaseBlobMaxSize());
blobUri = dbBlobStorage.write(messageId, mailbox, null, in1, updatedSize);
} else {
logger.debug(
"Storing Blob in the cloud because size ({}KB) was greater than database threshold {}KB",
updatedSize,
Configurator.getDatabaseBlobMaxSize());
blobUri =
cloudBlobStorage.write(
messageId, mailbox, Configurator.getBlobStoreWriteProfileName(), in1, updatedSize);
}
// add compression information to the blob URI
if (compressed) {
blobUri.setCompression(compressionHandler.getType());
}
return blobUri;
}
Reader read() throws IOException {
textBuffer.flush();
return new InputStreamReader(textBuffer.getSupplier().getInput());
}