com.webcodepro.shrinkit

Class CRC16

java.lang.Object

com.webcodepro.shrinkit.CRC16

All Implemented Interfaces:

java.util.zip.Checksum

public class CRC16
extends java.lang.Object
implements java.util.zip.Checksum

Crc16: Calculate 16-bit Cyclic Redundancy Check. License: GPL, incorporated by reference.

Constructor Summary

Constructors

Constructor and Description
CRC16()

Method Summary

Modifier and Type	Method and Description
static int[]	getTable()
long	getValue()
void	reset()
void	update(byte[] b) Update 16-bit CRC.
void	update(byte[] b, int off, int len) Update 16-bit CRC.
void	update(int b) Update 16-bit CRC.

Methods inherited from class java.lang.Object

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

Constructor Detail

CRC16

public CRC16()

Method Detail

getTable

public static int[] getTable()

getValue

public long getValue()

Specified by:

getValue in interface java.util.zip.Checksum

reset

public void reset()

Specified by:

reset in interface java.util.zip.Checksum

update

public void update(int b)

Update 16-bit CRC.

Specified by:

update in interface java.util.zip.Checksum

Parameters:

b - input byte

update

public void update(byte[] b)

Update 16-bit CRC.

Parameters:

b - input byte array

update

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

Update 16-bit CRC.

Specified by:

update in interface java.util.zip.Checksum

Parameters:

b - input byte array

off - starting offset to data

len - number of bytes to process