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

data, EMPTY, hashCode, utf8

Constructor Summary

Constructors

Constructor	Description
ByteBuffer(Buffer buffer, int byteCount)

Method Summary

Modifier and Type	Method	Description
ByteBuffer	asByteBuffer()	Returns a ByteBuffer view of the bytes in this ByteString.
String	base64()	Returns this byte string encoded as Base64.
String	base64Url()	Returns this byte string encoded as URL-safe Base64.
boolean	equals(Object o)
byte	getByte(int pos)	Returns the byte at pos.
int	hashCode()
String	hex()	Returns this byte string encoded in hexadecimal.
ByteString	hmacSha1(ByteString key)	Returns the 160-bit SHA-1 HMAC of this byte string.
ByteString	hmacSha256(ByteString key)	Returns the 256-bit SHA-256 HMAC of this byte string.
int	indexOf(byte[] other, int fromIndex)
byte[]	internalArray()	Returns the bytes of this string without a defensive copy.
int	lastIndexOf(byte[] other, int fromIndex)
ByteString	md5()	Returns the 128-bit MD5 hash of this byte string.
boolean	rangeEquals(int offset, byte[] other, int otherOffset, int byteCount)	Returns true if the bytes of this in [offset..offset+byteCount) equal the bytes of other in [otherOffset..otherOffset+byteCount).
boolean	rangeEquals(int offset, ByteString other, int otherOffset, int byteCount)	Returns true if the bytes of this in [offset..offset+byteCount) equal the bytes of other in [otherOffset..otherOffset+byteCount).
ByteString	sha1()	Returns the 160-bit SHA-1 hash of this byte string.
ByteString	sha256()	Returns the 256-bit SHA-256 hash of this byte string.
int	size()	Returns the number of bytes in this ByteString.
String	string(Charset charset)
ByteString	substring(int beginIndex)	Returns a byte string that is a substring of this byte string, beginning at the specified index until the end of this string.
ByteString	substring(int beginIndex, int endIndex)	Returns a byte string that is a substring of this byte string, beginning at the specified beginIndex and ends at the specified endIndex.
ByteString	toAsciiLowercase()	Returns a byte string equal to this byte string, but with the bytes 'A' through 'Z' replaced with the corresponding byte in 'a' through 'z'.
ByteString	toAsciiUppercase()	Returns a byte string equal to this byte string, but with the bytes 'a' through 'z' replaced with the corresponding byte in 'A' through 'Z'.
byte[]	toByteArray()	Returns a byte array containing a copy of the bytes in this ByteString.
String	toString()
String	utf8()	Constructs a new String by decoding the bytes as UTF-8.
void	write(OutputStream out)	Writes the contents of this byte string to out.
void	write(Buffer buffer)	Writes the contents of this byte string to 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)

Method Details

utf8

public String utf8()

Description copied from class: ByteString

Constructs a new String by decoding the bytes as UTF-8.

Overrides:

utf8 in class ByteString

string

public String string(Charset charset)

Overrides:

string in class ByteString

base64

public String base64()

Description copied from class: ByteString

Returns this byte string encoded as Base64. In violation of the RFC, the returned string does not wrap lines at 76 columns.

Overrides:

base64 in class ByteString

hex

public String hex()

Description copied from class: ByteString

Returns this byte string encoded in hexadecimal.

Overrides:

hex in class ByteString

toAsciiLowercase

public ByteString toAsciiLowercase()

Description copied from class: ByteString

Returns a byte string equal to this byte string, but with the bytes 'A' through 'Z' replaced with the corresponding byte in 'a' through 'z'. Returns this byte string if it contains no bytes in 'A' through 'Z'.

Overrides:

toAsciiLowercase in class ByteString

toAsciiUppercase

public ByteString toAsciiUppercase()

Description copied from class: ByteString

Returns a byte string equal to this byte string, but with the bytes 'a' through 'z' replaced with the corresponding byte in 'A' through 'Z'. Returns this byte string if it contains no bytes in 'a' through 'z'.

Overrides:

toAsciiUppercase in class ByteString

md5

public ByteString md5()

Description copied from class: ByteString

Returns the 128-bit MD5 hash of this byte string.

Overrides:

md5 in class ByteString

sha1

public ByteString sha1()

Description copied from class: ByteString

Returns the 160-bit SHA-1 hash of this byte string.

Overrides:

sha1 in class ByteString

sha256

public ByteString sha256()

Description copied from class: ByteString

Returns the 256-bit SHA-256 hash of this byte string.

Overrides:

sha256 in class ByteString

hmacSha1

public ByteString hmacSha1(ByteString key)

Description copied from class: ByteString

Returns the 160-bit SHA-1 HMAC of this byte string.

Overrides:

hmacSha1 in class ByteString

hmacSha256

public ByteString hmacSha256(ByteString key)

Description copied from class: ByteString

Returns the 256-bit SHA-256 HMAC of this byte string.

Overrides:

hmacSha256 in class ByteString

base64Url

public String base64Url()

Description copied from class: ByteString

Returns this byte string encoded as URL-safe Base64.

Overrides:

base64Url in class ByteString

substring

public ByteString substring(int beginIndex)

Description copied from class: ByteString

Returns a byte string that is a substring of this byte string, beginning at the specified index until the end of this string. Returns this byte string if beginIndex is 0.

Overrides:

substring in class ByteString

substring

public ByteString substring(int beginIndex,
 int endIndex)

Description copied from class: ByteString

Returns a byte string that is a substring of this byte string, beginning at the specified beginIndex and ends at the specified endIndex. Returns this byte string if beginIndex is 0 and endIndex is the length of this byte string.

Overrides:

substring in class ByteString

getByte

public byte getByte(int pos)

Description copied from class: ByteString

Returns the byte at pos.

Overrides:

getByte in class ByteString

size

public int size()

Description copied from class: ByteString

Returns the number of bytes in this ByteString.

Overrides:

size in class ByteString

toByteArray

public byte[] toByteArray()

Description copied from class: ByteString

Returns a byte array containing a copy of the bytes in this ByteString.

Overrides:

toByteArray in class ByteString

asByteBuffer

public ByteBuffer asByteBuffer()

Description copied from class: ByteString

Returns a ByteBuffer view of the bytes in this ByteString.

Overrides:

asByteBuffer in class ByteString

write

public void write(OutputStream out)
           throws IOException

Description copied from class: ByteString

Writes the contents of this byte string to out.

Overrides:

write in class ByteString

Throws:

IOException

write

public void write(Buffer buffer)

Description copied from class: ByteString

Writes the contents of this byte string to buffer.

Overrides:

write in class ByteString

rangeEquals

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

Description copied from class: ByteString

Returns true if the bytes of this in [offset..offset+byteCount) equal the bytes of other in [otherOffset..otherOffset+byteCount). Returns false if either range is out of bounds.

Overrides:

rangeEquals in class ByteString

rangeEquals

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

Description copied from class: ByteString

Returns true if the bytes of this in [offset..offset+byteCount) equal the bytes of other in [otherOffset..otherOffset+byteCount). Returns false if either range is out of bounds.

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()

Description copied from class: ByteString

Returns the bytes of this string without a defensive copy. Do not mutate!

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