cn.hutool.core.io.checksum.CRC16 Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of hutool-all Show documentation
Show all versions of hutool-all Show documentation
Hutool是一个小而全的Java工具类库,通过静态方法封装,降低相关API的学习成本,提高工作效率,使Java拥有函数式语言般的优雅,让Java语言也可以“甜甜的”。
package cn.hutool.core.io.checksum;
import cn.hutool.core.io.checksum.crc16.CRC16Checksum;
import cn.hutool.core.io.checksum.crc16.CRC16IBM;
import java.io.Serializable;
import java.util.zip.Checksum;
/**
* CRC16 循环冗余校验码(Cyclic Redundancy Check)实现,默认IBM算法
*
* @author looly
* @since 4.4.1
*/
public class CRC16 implements Checksum, Serializable {
private static final long serialVersionUID = 1L;
private final CRC16Checksum crc16;
public CRC16() {
this(new CRC16IBM());
}
/**
* 构造
*
* @param crc16Checksum {@link CRC16Checksum} 实现
*/
public CRC16(CRC16Checksum crc16Checksum) {
this.crc16 = crc16Checksum;
}
/**
* 获取16进制的CRC16值
*
* @return 16进制的CRC16值
* @since 5.7.22
*/
public String getHexValue() {
return this.crc16.getHexValue();
}
/**
* 获取16进制的CRC16值
*
* @param isPadding 不足4位时,是否填充0以满足位数
* @return 16进制的CRC16值,4位
* @since 5.7.22
*/
public String getHexValue(boolean isPadding) {
return crc16.getHexValue(isPadding);
}
@Override
public long getValue() {
return crc16.getValue();
}
@Override
public void reset() {
crc16.reset();
}
@Override
public void update(byte[] b, int off, int len) {
crc16.update(b, off, len);
}
@Override
public void update(int b) {
crc16.update(b);
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy