public class Adler32 extends Object implements Checksum
Passing a null
argument to a method in this class will cause
a NullPointerException
to be thrown.
Checksum
Constructor and Description |
---|
Adler32()
Creates a new Adler32 object.
|
Modifier and Type | Method and Description |
---|---|
long |
getValue()
Returns the checksum value.
|
void |
reset()
Resets the checksum to initial value.
|
void |
update(byte[] b)
Updates the checksum with the specified array of bytes.
|
void |
update(byte[] b,
int off,
int len)
Updates the checksum with the specified array of bytes.
|
void |
update(ByteBuffer buffer)
Updates the checksum with the bytes from the specified buffer.
|
void |
update(int b)
Updates the checksum with the specified byte (the low eight
bits of the argument b).
|
public void update(int b)
public void update(byte[] b, int off, int len)
update
in interface Checksum
b
- the byte array to update the checksum withoff
- the start offset of the datalen
- the number of bytes to use for the updateArrayIndexOutOfBoundsException
- if off
is negative, or len
is negative,
or off+len
is greater than the length of the
array b
public void update(byte[] b)
b
- the byte array to update the checksum withpublic void update(ByteBuffer buffer)
remaining()
bytes starting at
buffer.position()
Upon return, the buffer's position will be updated to its
limit; its limit will not have been changed.buffer
- the ByteBuffer to update the checksum withpublic void reset()
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