cn.hutool.core.io.checksum

Class CRC16

java.lang.Object

cn.hutool.core.io.checksum.CRC16

All Implemented Interfaces:

Serializable, Checksum

public class CRC16
extends Object
implements Checksum, Serializable

CRC16 循环冗余校验码（Cyclic Redundancy Check）实现，默认IBM算法

Since:

4.4.1

Author:

looly

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
CRC16()
CRC16(CRC16Checksum crc16Checksum) 构造

Method Summary

Modifier and Type	Method and Description
String	getHexValue() 获取16进制的CRC16值
String	getHexValue(boolean isPadding) 获取16进制的CRC16值
long	getValue()
void	reset()
void	update(byte[] b, int off, int len)
void	update(int b)

Methods inherited from class java.lang.Object

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

Constructor Detail

CRC16

public CRC16()

CRC16

public CRC16(CRC16Checksum crc16Checksum)

构造

Parameters:

crc16Checksum - CRC16Checksum 实现

Method Detail

getHexValue

public String getHexValue()

获取16进制的CRC16值

Returns:

16进制的CRC16值

Since:

5.7.22

getHexValue

public String getHexValue(boolean isPadding)

获取16进制的CRC16值

Parameters:

isPadding - 不足4位时，是否填充0以满足位数

Returns:

16进制的CRC16值，4位

Since:

5.7.22

getValue

public long getValue()

Specified by:

getValue in interface Checksum

reset

public void reset()

Specified by:

reset in interface Checksum

update

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

Specified by:

update in interface Checksum

update

public void update(int b)

Specified by:

update in interface Checksum