org.dromara.hutool.core.io.checksum

Class ChecksumUtil

java.lang.Object

org.dromara.hutool.core.io.checksum.ChecksumUtil

public class ChecksumUtil
extends Object

校验码工具

Author:

looly

Constructor Summary

Constructors

Constructor and Description
ChecksumUtil()

Method Summary

Modifier and Type	Method and Description
static Checksum	checksum(File file, Checksum checksum) 计算文件校验码
static Checksum	checksum(InputStream in, Checksum checksum) 计算流的校验码，计算后关闭流
static long	checksumCRC32(File file) 计算文件CRC32校验码
static long	checksumCRC32(InputStream in) 计算流CRC32校验码，计算后关闭流
static long	checksumValue(InputStream in, Checksum checksum) 计算流的校验码，计算后关闭流

Methods inherited from class java.lang.Object

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

Constructor Detail

ChecksumUtil

public ChecksumUtil()

Method Detail

checksumCRC32

public static long checksumCRC32(File file)
                          throws IORuntimeException

计算文件CRC32校验码

Parameters:

file - 文件，不能为目录

Returns:

CRC32值

Throws:

IORuntimeException - IO异常

checksumCRC32

public static long checksumCRC32(InputStream in)
                          throws IORuntimeException

计算流CRC32校验码，计算后关闭流

Parameters:

in - 文件，不能为目录

Returns:

CRC32值

Throws:

IORuntimeException - IO异常

Since:

4.0.6

checksum

public static Checksum checksum(File file,
                                Checksum checksum)
                         throws IORuntimeException

计算文件校验码

Parameters:

file - 文件，不能为目录

checksum - Checksum

Returns:

Checksum

Throws:

IORuntimeException - IO异常

checksum

public static Checksum checksum(InputStream in,
                                Checksum checksum)
                         throws IORuntimeException

计算流的校验码，计算后关闭流

Parameters:

in - 流

checksum - Checksum

Returns:

Checksum

Throws:

IORuntimeException - IO异常

Since:

4.0.10

checksumValue

public static long checksumValue(InputStream in,
                                 Checksum checksum)

计算流的校验码，计算后关闭流

Parameters:

in - 流

checksum - Checksum

Returns:

Checksum

Throws:

IORuntimeException - IO异常

Since:

5.4.0