? MessageDigestCalculatingInputStream.MessageDigestMaintainingObserver
java.lang.Object
org.apache.commons.io.input.ObservableInputStream.Observer
org.apache.commons.io.input.MessageDigestCalculatingInputStream.MessageDigestMaintainingObserver
public static class MessageDigestCalculatingInputStream.MessageDigestMaintainingObserver
extends ObservableInputStream.Observer
Maintains the message digest.
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????????MessageDigestMaintainingObserver
(MessageDigest messageDigest) Creates an MessageDigestMaintainingObserver for the given MessageDigest. -
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??????????void
data
(byte[] input, int offset, int length) Called to indicate thatInputStream.read(byte[])
, orInputStream.read(byte[], int, int)
have been called, and are about to invoke data.void
data
(int input) Called to indicate, thatInputStream.read()
has been invoked on theObservableInputStream
, and will return a value.??????? org.apache.commons.io.input.ObservableInputStream.Observer
closed, error, finished
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MessageDigestMaintainingObserver
Creates an MessageDigestMaintainingObserver for the given MessageDigest.- ??:
messageDigest
- the message digest to use
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data
???????:ObservableInputStream.Observer
Called to indicate, thatInputStream.read()
has been invoked on theObservableInputStream
, and will return a value.- ??:
data
???ObservableInputStream.Observer
- ??:
input
- The value, which is being returned. This will never be -1 (EOF), because, in that case,ObservableInputStream.Observer.finished()
will be invoked instead.- ??:
IOException
- if an I/O error occurs.
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data
???????:ObservableInputStream.Observer
Called to indicate thatInputStream.read(byte[])
, orInputStream.read(byte[], int, int)
have been called, and are about to invoke data.- ??:
data
???ObservableInputStream.Observer
- ??:
input
- The byte array, which has been passed to the read call, and where data has been stored.offset
- The offset within the byte array, where data has been stored.length
- The number of bytes, which have been stored in the byte array.- ??:
IOException
- if an I/O error occurs.
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