Package org.aoju.bus.core.io.buffer

Class ByteBuffer

java.lang.Object

org.aoju.bus.core.io.ByteString

org.aoju.bus.core.io.buffer.ByteBuffer

All Implemented Interfaces:

Serializable, Comparable<ByteString>

public class ByteBuffer
extends ByteString

由字节数组段组成的不可变字节字符串 该类的存在是为了实现 缓冲区的有效快照 它被实现为一个段数组,加上一个目录 两个半部分,描述段如何组成这个字节字符串

Since:

Java 17+

Author:

Kimi Liu

See Also:

• Serialized Form

Field Summary

Fields inherited from class org.aoju.bus.core.io.ByteString

EMPTY, hashCode

Constructor Summary

Constructors

Constructor	Description
ByteBuffer(int pageSize, int pageNo, boolean isDirect)
ByteBuffer(Buffer buffer, int byteCount)

Method Summary

Modifier and Type	Method	Description
PageBuffer	allocatePageBuffer()	申请内存页
ByteBuffer	asByteBuffer()
String	base64()
String	base64Url()
boolean	equals(Object o)
byte	getByte(int pos)
int	hashCode()
String	hex()
ByteString	hmacSha1(ByteString key)
ByteString	hmacSha256(ByteString key)
int	indexOf(byte[] other, int fromIndex)
byte[]	internalArray()
int	lastIndexOf(byte[] other, int fromIndex)
ByteString	md5()
Thread	newThread(Runnable target, String name)	申请FastBufferThread的线程对象,配合线程池申请会有更好的性能表现
boolean	rangeEquals(int offset, byte[] other, int otherOffset, int byteCount)
boolean	rangeEquals(int offset, ByteString other, int otherOffset, int byteCount)
void	release()	释放回收内存
ByteString	sha1()
ByteString	sha256()
int	size()
String	string(Charset charset)
ByteString	substring(int beginIndex)
ByteString	substring(int beginIndex, int endIndex)
ByteString	toAsciiLowercase()
ByteString	toAsciiUppercase()
byte[]	toByteArray()
String	toString()
String	utf8()
void	write(OutputStream out)
void	write(Buffer buffer)

Methods inherited from class org.aoju.bus.core.io.ByteString

compareTo, decodeBase64, decodeHex, encodeString, encodeUtf8, endsWith, endsWith, hmacSha512, indexOf, indexOf, indexOf, lastIndexOf, lastIndexOf, lastIndexOf, of, of, of, read, sha512, startsWith, startsWith

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

ByteBuffer

public ByteBuffer(Buffer buffer,
 int byteCount)

ByteBuffer

public ByteBuffer(int pageSize,
 int pageNo,
 boolean isDirect)

Parameters:

pageSize - 内存页大小

pageNo - 内存页个数

isDirect - 是否使用直接缓冲区

Method Details

utf8

public String utf8()

Overrides:

utf8 in class ByteString

string

public String string(Charset charset)

Overrides:

string in class ByteString

base64

public String base64()

Overrides:

base64 in class ByteString

hex

public String hex()

Overrides:

hex in class ByteString

toAsciiLowercase

public ByteString toAsciiLowercase()

Overrides:

toAsciiLowercase in class ByteString

toAsciiUppercase

public ByteString toAsciiUppercase()

Overrides:

toAsciiUppercase in class ByteString

md5

public ByteString md5()

Overrides:

md5 in class ByteString

sha1

public ByteString sha1()

Overrides:

sha1 in class ByteString

sha256

public ByteString sha256()

Overrides:

sha256 in class ByteString

hmacSha1

public ByteString hmacSha1(ByteString key)

Overrides:

hmacSha1 in class ByteString

hmacSha256

public ByteString hmacSha256(ByteString key)

Overrides:

hmacSha256 in class ByteString

base64Url

public String base64Url()

Overrides:

base64Url in class ByteString

substring

public ByteString substring(int beginIndex)

Overrides:

substring in class ByteString

substring

public ByteString substring(int beginIndex,
 int endIndex)

Overrides:

substring in class ByteString

getByte

public byte getByte(int pos)

Overrides:

getByte in class ByteString

size

public int size()

Overrides:

size in class ByteString

toByteArray

public byte[] toByteArray()

Overrides:

toByteArray in class ByteString

asByteBuffer

public ByteBuffer asByteBuffer()

Overrides:

asByteBuffer in class ByteString

write

public void write(OutputStream out)
           throws IOException

Overrides:

write in class ByteString

Throws:

IOException

write

public void write(Buffer buffer)

Overrides:

write in class ByteString

rangeEquals

public boolean rangeEquals(int offset,
 ByteString other,
 int otherOffset,
 int byteCount)

Overrides:

rangeEquals in class ByteString

rangeEquals

public boolean rangeEquals(int offset,
 byte[] other,
 int otherOffset,
 int byteCount)

Overrides:

rangeEquals in class ByteString

indexOf

public int indexOf(byte[] other,
 int fromIndex)

Overrides:

indexOf in class ByteString

lastIndexOf

public int lastIndexOf(byte[] other,
 int fromIndex)

Overrides:

lastIndexOf in class ByteString

internalArray

public byte[] internalArray()

Overrides:

internalArray in class ByteString

equals

public boolean equals(Object o)

Overrides:

equals in class ByteString

hashCode

public int hashCode()

Overrides:

hashCode in class ByteString

toString

public String toString()

Overrides:

toString in class Object

newThread

public Thread newThread(Runnable target,
 String name)

申请FastBufferThread的线程对象,配合线程池申请会有更好的性能表现

Parameters:

target - Runnable

name - 线程名

Returns:

FastBufferThread线程对象

allocatePageBuffer

public PageBuffer allocatePageBuffer()

申请内存页

Returns:

缓存页对象

release

public void release()

释放回收内存