cn.ponfee.disjob.common.util

类 Bytes

java.lang.Object

cn.ponfee.disjob.common.util.Bytes

public final class Bytes
extends Object

byte array utilities

作者:

Ponfee

构造器概要

构造器

构造器和说明
Bytes()

方法概要

限定符和类型	方法和说明
static byte[]	concat(byte[] first, byte[]... rest) merge byte arrays
static byte[]	hexDecode(String hex) decode the hex string to byte array
static String	hexEncode(byte[] bytes)
static String	hexEncode(byte[] bytes, boolean lowercase) encode the byte array the hex string
static String	hexEncode(byte b, boolean lowercase)
static void	hexEncode(char[] charArray, int i, byte b)
static void	put(int val, byte[] bytes, int offset) Puts int number to byte array
static void	put(long val, byte[] bytes, int offset)
static byte[]	remaining(ByteBuffer buf)
static BigDecimal	toBigDecimal(byte[] bytes) Converts a byte array to a BigDecimal
static BigDecimal	toBigDecimal(byte[] bytes, int offset, int length) Converts a byte array to a BigDecimal value
static BigInteger	toBigInteger(byte[] bytes) Converts byte array to positive BigInteger
static String	toBinary(byte... array) convert the byte array to binary string byte: -1: 11111111 0: 00000000 127: 01111111 -128: 10000000
static byte[]	toBytes(BigDecimal val) Convert a BigDecimal value to a byte array
static byte[]	toBytes(char value)
static byte[]	toBytes(char[] chars) Converts char array to byte array
static byte[]	toBytes(char[] chars, Charset charset) Converts char array to byte array
static byte[]	toBytes(int value)
static byte[]	toBytes(long value) convert long value to byte array
static char	toChar(byte[] bytes)
static char	toChar(byte[] bytes, int fromIdx)
static char[]	toCharArray(byte[] bytes) Converts byte array to char array
static char[]	toCharArray(byte[] bytes, Charset charset) Converts byte array to char array
static String	toHex(long value)
static String	toHex(long value, boolean lowercase)
static int	toInt(byte[] bytes)
static int	toInt(byte[] bytes, int fromIdx)
static long	toLong(byte[] bytes) convert byte array to long number
static long	toLong(byte[] bytes, int fromIdx) convert byte array to long number

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

Bytes

public Bytes()

方法详细资料

hexEncode

public static void hexEncode(char[] charArray,
                             int i,
                             byte b)

hexEncode

public static String hexEncode(byte b,
                               boolean lowercase)

hexEncode

public static String hexEncode(byte[] bytes)

hexEncode

public static String hexEncode(byte[] bytes,
                               boolean lowercase)

encode the byte array the hex string

参数:

bytes - the byte array

lowercase - the boolean

返回:

string

hexDecode

public static byte[] hexDecode(String hex)

decode the hex string to byte array

参数:

hex -

返回:

toBinary

public static String toBinary(byte... array)

convert the byte array to binary string byte: -1: 11111111 0: 00000000 127: 01111111 -128: 10000000

参数:

array - the byte array

返回:

binary string

toCharArray

public static char[] toCharArray(byte[] bytes)

Converts byte array to char array

参数:

bytes - the byte array

返回:

a char array

toCharArray

public static char[] toCharArray(byte[] bytes,
                                 Charset charset)

Converts byte array to char array

参数:

bytes - the byte array

charset - the charset

返回:

a char array

toBytes

public static byte[] toBytes(char[] chars)

Converts char array to byte array

参数:

chars - the char array

返回:

a byte array

toBytes

public static byte[] toBytes(char[] chars,
                             Charset charset)

Converts char array to byte array

参数:

chars - the char array

charset - the charset

返回:

a byte array

toBytes

public static byte[] toBytes(char value)

toChar

public static char toChar(byte[] bytes)

toChar

public static char toChar(byte[] bytes,
                          int fromIdx)

toBytes

public static byte[] toBytes(int value)

toInt

public static int toInt(byte[] bytes)

toInt

public static int toInt(byte[] bytes,
                        int fromIdx)

toBytes

public static byte[] toBytes(long value)

convert long value to byte array

参数:

value - the long number

返回:

byte array

toHex

public static String toHex(long value)

toHex

public static String toHex(long value,
                           boolean lowercase)

toLong

public static long toLong(byte[] bytes,
                          int fromIdx)

convert byte array to long number

参数:

bytes - the byte array

fromIdx - the byte array offset

返回:

long number

toLong

public static long toLong(byte[] bytes)

convert byte array to long number

参数:

bytes - the byte array

返回:

long value

toBytes

public static byte[] toBytes(BigDecimal val)

Convert a BigDecimal value to a byte array

参数:

val - the BigDecimal value

返回:

the byte array

put

public static void put(int val,
                       byte[] bytes,
                       int offset)

Puts int number to byte array

参数:

val - the int value

bytes - the byte array

offset - the byte array start offset

put

public static void put(long val,
                       byte[] bytes,
                       int offset)

toBigDecimal

public static BigDecimal toBigDecimal(byte[] bytes)

Converts a byte array to a BigDecimal

参数:

bytes - the byte array

返回:

BigDecimal

toBigDecimal

public static BigDecimal toBigDecimal(byte[] bytes,
                                      int offset,
                                      int length)

Converts a byte array to a BigDecimal value

参数:

bytes - the byte array

offset - the offset

length - the length

返回:

BigDecimal

toBigInteger

public static BigInteger toBigInteger(byte[] bytes)

Converts byte array to positive BigInteger

参数:

bytes - the byte array

返回:

a positive BigInteger number

concat

public static byte[] concat(byte[] first,
                            byte[]... rest)

merge byte arrays

参数:

first - first byte array of args

rest - others byte array

返回:

a new byte array of them

remaining

public static byte[] remaining(ByteBuffer buf)