@Override
public ByteArrayFileCache getBlob(final MD5 md5, final ByteArrayFileCacheManager bafcMan)
throws NoSuchBlobException, BlobStoreCommunicationException, FileCacheIOException,
FileCacheLimitExceededException {
final GridFSDBFile out;
try {
out = getFile(md5);
if (out == null) {
throw new NoSuchBlobException(
"Attempt to retrieve non-existant blob with chksum " + md5.getMD5());
}
final boolean sorted;
if (!out.containsField(Fields.GFS_SORTED)) {
sorted = false;
} else {
sorted = (Boolean) out.get(Fields.GFS_SORTED);
}
final InputStream file = out.getInputStream();
try {
return bafcMan.createBAFC(file, true, sorted);
} finally {
try {
file.close();
} catch (IOException ioe) {
throw new RuntimeException("Something is broken", ioe);
}
}
} catch (MongoException me) {
throw new BlobStoreCommunicationException("Could not read from the mongo database", me);
}
}
