javax.crypto.Cipher, mode = NONE ?

If I call Cipher.getInstance("AES/NONE/PKCS5Padding"), then the returned Cipher object will have no mode. What is the use of creating a Cipher that has NONE  as its mode? Might specifying "NONE" make it possible for me to have the Cipher use my implementation of a mode, rather than using one of the modes that included with Java? If so, how can I instruct the Cipher object to use an AES mode I have implemented?

Thank you very much.
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I think without implementing your own provider, you cannot use your own mode with AES algorithm.

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Of course, you also need to implement your own AESCipher class.
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