net.anidb.checksum
Class Crc32Checksum

java.lang.Object
  net.anidb.checksum.Checksum
      net.anidb.checksum.Crc32Checksum

public class Crc32Checksum
extends Checksum

A CRC32 checksum.

Version:

1.0, 03.01.2010

Author:

grizzlyxp (http://anidb.net/perl-bin/animedb.pl?show=userpage&uid=63935)

Constructor Summary

Crc32Checksum()
Creates a CRC32 checksum object.

Method Summary

byte[]	getDigest() Builds and returns the digest.
void	reset() Resets the checksum object.
void	update(byte[] buf, int off, int len) Updates the checksum with data.
void	update(int data) Updates the checksum with data.

Methods inherited from class net.anidb.checksum.Checksum

getHexDigest

Methods inherited from class java.lang.Object

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

Constructor Detail

Crc32Checksum

public Crc32Checksum()

Creates a CRC32 checksum object.

Method Detail

getDigest

public byte[] getDigest()

Description copied from class: Checksum

Builds and returns the digest.

After calling this method you have to use Checksum.reset().

Specified by:

getDigest in class Checksum

Returns:

The digest.

See Also:

Checksum.reset(), Checksum.getHexDigest()

reset

public void reset()

Description copied from class: Checksum

Resets the checksum object.

Specified by:

reset in class Checksum

update

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

Description copied from class: Checksum

Updates the checksum with data.

Specified by:

update in class Checksum

Parameters:

buf - The data buffer.

off - The offset.

len - The length.

update

public void update(int data)

Description copied from class: Checksum

Updates the checksum with data.

Specified by:

update in class Checksum

Parameters:

data - The data.