org.aoju.bus.core.io.segment

Class HashSource

java.lang.Object

org.aoju.bus.core.io.segment.ForwardSource

org.aoju.bus.core.io.segment.HashSource

All Implemented Interfaces:

Closeable, AutoCloseable, Source

public final class HashSource
extends ForwardSource

计算其提供的全部字节流的散列的源。若要使用，请创建 使用您首选的哈希算法实例。通过读取源文件的所有字节来耗尽源文件 然后调用hash()来计算最终的哈希值

Since:

JDK 1.8+

Version:

5.0.8

Author:

Kimi Liu

Method Summary

Modifier and Type	Method and Description
ByteString	hash()
static HashSource	hmacSha1(Source source, ByteString key)
static HashSource	hmacSha256(Source source, ByteString key)
static HashSource	md5(Source source)
long	read(Buffer sink, long byteCount) Removes at least 1, and up to byteCount bytes from this and appends them to sink.
static HashSource	sha1(Source source)
static HashSource	sha256(Source source)

Methods inherited from class org.aoju.bus.core.io.segment.ForwardSource

close, delegate, timeout, toString

Methods inherited from class java.lang.Object

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

Method Detail

md5

public static HashSource md5(Source source)

sha1

public static HashSource sha1(Source source)

sha256

public static HashSource sha256(Source source)

hmacSha1

public static HashSource hmacSha1(Source source,
                                  ByteString key)

hmacSha256

public static HashSource hmacSha256(Source source,
                                    ByteString key)

read

public long read(Buffer sink,
                 long byteCount)
          throws IOException

Description copied from interface: Source

Removes at least 1, and up to byteCount bytes from this and appends them to sink. Returns the number of bytes read, or -1 if this source is exhausted.

Specified by:

read in interface Source

Overrides:

read in class ForwardSource

Parameters:

sink - Buffer

byteCount - long

Returns:

the long

Throws:

IOException - IOException IOException.

hash

public final ByteString hash()