I'm using ImageExtractor#getImageUrl in the extraction_framework to
get the url of an image.
val md = MessageDigest.getInstance("MD5")
val messageDigest = md.digest(fileName.getBytes)
val md5 = (new BigInteger(1, messageDigest)).toString(16)
val hash1 = md5.substring(0, 1)
val hash2 = md5.substring(0, 2);
val urlPart = hash1 + "/" + hash2 + "/" + fileName
Most of the time, the function works correctly but on a few cases, it
is incorrect:
For "Stewie_Griffin.png", I get 2/26/Stewie_Griffin.png but the real
one is 0/02/Stewie_Griffin.png
The source file info is here:
http://en.wikipedia.org/wiki/File:Stewie_Griffin.png
http://upload.wikimedia.org/wikipedia/en/0/02/Stewie_Griffin.png
Any ideas why the hashing scheme doesn't work sometimes?
--
@tommychheng
http://tommy.chheng.com
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