org.springframework.util

类 DigestUtils

java.lang.Object

org.springframework.util.DigestUtils

public abstract class DigestUtils
extends Object

Miscellaneous methods for calculating digests.

Mainly for internal use within the framework; consider Apache Commons Codec for a more comprehensive suite of digest utilities.

从以下版本开始:

3.0

作者:

Arjen Poutsma, Juergen Hoeller, Craig Andrews

构造器概要

构造器

构造器和说明
DigestUtils()

方法概要

限定符和类型	方法和说明
static StringBuilder	appendMd5DigestAsHex(byte[] bytes, StringBuilder builder) Append a hexadecimal string representation of the MD5 digest of the given bytes to the given StringBuilder.
static StringBuilder	appendMd5DigestAsHex(InputStream inputStream, StringBuilder builder) Append a hexadecimal string representation of the MD5 digest of the given inputStream to the given StringBuilder.
static byte[]	md5Digest(byte[] bytes) Calculate the MD5 digest of the given bytes.
static byte[]	md5Digest(InputStream inputStream) Calculate the MD5 digest of the given stream.
static String	md5DigestAsHex(byte[] bytes) Return a hexadecimal string representation of the MD5 digest of the given bytes.
static String	md5DigestAsHex(InputStream inputStream) Return a hexadecimal string representation of the MD5 digest of the given stream.

从类继承的方法 java.lang.Object

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

构造器详细资料

DigestUtils

public DigestUtils()

方法详细资料

md5Digest

public static byte[] md5Digest(byte[] bytes)

Calculate the MD5 digest of the given bytes.

参数:

bytes - the bytes to calculate the digest over

返回:

the digest

md5Digest

public static byte[] md5Digest(InputStream inputStream)
                        throws IOException

Calculate the MD5 digest of the given stream.

参数:

inputStream - the InputStream to calculate the digest over

返回:

the digest

抛出:

IOException

从以下版本开始:

4.2

md5DigestAsHex

public static String md5DigestAsHex(byte[] bytes)

Return a hexadecimal string representation of the MD5 digest of the given bytes.

参数:

bytes - the bytes to calculate the digest over

返回:

a hexadecimal digest string

md5DigestAsHex

public static String md5DigestAsHex(InputStream inputStream)
                             throws IOException

Return a hexadecimal string representation of the MD5 digest of the given stream.

参数:

inputStream - the InputStream to calculate the digest over

返回:

a hexadecimal digest string

抛出:

IOException

从以下版本开始:

4.2

appendMd5DigestAsHex

public static StringBuilder appendMd5DigestAsHex(byte[] bytes,
                                                 StringBuilder builder)

Append a hexadecimal string representation of the MD5 digest of the given bytes to the given StringBuilder.

参数:

bytes - the bytes to calculate the digest over

builder - the string builder to append the digest to

返回:

the given string builder

appendMd5DigestAsHex

public static StringBuilder appendMd5DigestAsHex(InputStream inputStream,
                                                 StringBuilder builder)
                                          throws IOException

Append a hexadecimal string representation of the MD5 digest of the given inputStream to the given StringBuilder.

参数:

inputStream - the inputStream to calculate the digest over

builder - the string builder to append the digest to

返回:

the given string builder

抛出:

IOException

从以下版本开始:

4.2