com.davidehrmann.vcdiff.util

Class ZeroInitializedAdler32

java.lang.Object

java.util.zip.Adler32

com.davidehrmann.vcdiff.util.ZeroInitializedAdler32

All Implemented Interfaces:

Checksum

public class ZeroInitializedAdler32
extends Adler32

An Adler32 implementation initialized with zero rather than one. It's intended to be used as a workaround for code with buggy Adler-32 implementations. It extends Adler32 and behaves the same, aside from returning a different checksum.

Author:

David Ehrmann

See Also:

Adler32

Constructor Summary

Constructors

Constructor and Description
ZeroInitializedAdler32()

Method Summary

Modifier and Type	Method and Description
long	getValue()
void	reset()
void	update(byte[] b)
void	update(byte[] b, int off, int len)
void	update(ByteBuffer buffer)
void	update(int b)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ZeroInitializedAdler32

public ZeroInitializedAdler32()

Method Detail

update

public void update(int b)

Specified by:

update in interface Checksum

Overrides:

update in class Adler32

update

public void update(byte[] b,
                   int off,
                   int len)

Specified by:

update in interface Checksum

Overrides:

update in class Adler32

update

public void update(byte[] b)

Overrides:

update in class Adler32

update

public void update(ByteBuffer buffer)

Overrides:

update in class Adler32

reset

public void reset()

Specified by:

reset in interface Checksum

Overrides:

reset in class Adler32

getValue

public long getValue()

Specified by:

getValue in interface Checksum

Overrides:

getValue in class Adler32