Package org.apache.dubbo.common.io

Class Bytes

java.lang.Object

org.apache.dubbo.common.io.Bytes

public class Bytes
extends Object

CodecUtils.

Method Summary

Modifier and Type	Method	Description
static byte[]	base642bytes(String str)	from base64 string.
static byte[]	base642bytes(String str, char[] code)	from base64 string.
static byte[]	base642bytes(String str, int offset, int length)	from base64 string.
static byte[]	base642bytes(String str, int off, int len, char[] code)	from base64 string.
static byte[]	base642bytes(String str, int off, int len, String code)	from base64 string.
static byte[]	base642bytes(String str, String code)	from base64 string.
static String	bytes2base64(byte[] b)	to base64 string.
static String	bytes2base64(byte[] b, char[] code)	to base64 string.
static String	bytes2base64(byte[] b, int offset, int length)	to base64 string.
static String	bytes2base64(byte[] bs, int off, int len, char[] code)	to base64 string.
static String	bytes2base64(byte[] b, int offset, int length, String code)	to base64 string.
static String	bytes2base64(byte[] b, String code)	to base64 string.
static double	bytes2double(byte[] b)	to long.
static double	bytes2double(byte[] b, int off)	to long.
static float	bytes2float(byte[] b)	to int.
static float	bytes2float(byte[] b, int off)	to int.
static String	bytes2hex(byte[] bs)	to hex string.
static String	bytes2hex(byte[] bs, int off, int len)	to hex string.
static int	bytes2int(byte[] b)	to int.
static int	bytes2int(byte[] b, int off)	to int.
static long	bytes2long(byte[] b)	to long.
static long	bytes2long(byte[] b, int off)	to long.
static short	bytes2short(byte[] b)	to short.
static short	bytes2short(byte[] b, int off)	to short.
static byte[]	copyOf(byte[] src, int length)	byte array copy.
static byte[]	double2bytes(double v)	to byte array.
static void	double2bytes(double v, byte[] b)	to byte array.
static void	double2bytes(double v, byte[] b, int off)	to byte array.
static byte[]	float2bytes(float v)	to byte array.
static void	float2bytes(float v, byte[] b)	to byte array.
static void	float2bytes(float v, byte[] b, int off)	to byte array.
static byte[]	getMD5(byte[] source)	get md5.
static byte[]	getMD5(File file)	get md5.
static byte[]	getMD5(InputStream is)	get md5.
static byte[]	getMD5(String str)	get md5.
static byte[]	hex2bytes(String str)	from hex string.
static byte[]	hex2bytes(String str, int off, int len)	from hex string.
static byte[]	int2bytes(int v)	to byte array.
static void	int2bytes(int v, byte[] b)	to byte array.
static void	int2bytes(int v, byte[] b, int off)	to byte array.
static byte[]	long2bytes(long v)	to byte array.
static void	long2bytes(long v, byte[] b)	to byte array.
static void	long2bytes(long v, byte[] b, int off)	to byte array.
static byte[]	short2bytes(short v)	to byte array.
static void	short2bytes(short v, byte[] b)	to byte array.
static void	short2bytes(short v, byte[] b, int off)	to byte array.
static byte[]	unzip(byte[] bytes)	unzip.
static byte[]	zip(byte[] bytes)	zip.

Methods inherited from class java.lang.Object

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

Method Details

copyOf

public static byte[] copyOf(byte[] src,
 int length)

byte array copy.

Parameters:

src - src.

length - new length.

Returns:

new byte array.

short2bytes

public static byte[] short2bytes(short v)

to byte array.

Parameters:

v - value.

Returns:

byte[].

short2bytes

public static void short2bytes(short v,
 byte[] b)

to byte array.

Parameters:

v - value.

b - byte array.

short2bytes

public static void short2bytes(short v,
 byte[] b,
 int off)

to byte array.

Parameters:

v - value.

b - byte array.

int2bytes

public static byte[] int2bytes(int v)

to byte array.

Parameters:

v - value.

Returns:

byte[].

int2bytes

public static void int2bytes(int v,
 byte[] b)

to byte array.

Parameters:

v - value.

b - byte array.

int2bytes

public static void int2bytes(int v,
 byte[] b,
 int off)

to byte array.

Parameters:

v - value.

b - byte array.

off - array offset.

float2bytes

public static byte[] float2bytes(float v)

to byte array.

Parameters:

v - value.

Returns:

byte[].

float2bytes

public static void float2bytes(float v,
 byte[] b)

to byte array.

Parameters:

v - value.

b - byte array.

float2bytes

public static void float2bytes(float v,
 byte[] b,
 int off)

to byte array.

Parameters:

v - value.

b - byte array.

off - array offset.

long2bytes

public static byte[] long2bytes(long v)

to byte array.

Parameters:

v - value.

Returns:

byte[].

long2bytes

public static void long2bytes(long v,
 byte[] b)

to byte array.

Parameters:

v - value.

b - byte array.

long2bytes

public static void long2bytes(long v,
 byte[] b,
 int off)

to byte array.

Parameters:

v - value.

b - byte array.

off - array offset.

double2bytes

public static byte[] double2bytes(double v)

to byte array.

Parameters:

v - value.

Returns:

byte[].

double2bytes

public static void double2bytes(double v,
 byte[] b)

to byte array.

Parameters:

v - value.

b - byte array.

double2bytes

public static void double2bytes(double v,
 byte[] b,
 int off)

to byte array.

Parameters:

v - value.

b - byte array.

off - array offset.

bytes2short

public static short bytes2short(byte[] b)

to short.

Parameters:

b - byte array.

Returns:

short.

bytes2short

public static short bytes2short(byte[] b,
 int off)

to short.

Parameters:

b - byte array.

off - offset.

Returns:

short.

bytes2int

public static int bytes2int(byte[] b)

to int.

Parameters:

b - byte array.

Returns:

int.

bytes2int

public static int bytes2int(byte[] b,
 int off)

to int.

Parameters:

b - byte array.

off - offset.

Returns:

int.

bytes2float

public static float bytes2float(byte[] b)

to int.

Parameters:

b - byte array.

Returns:

int.

bytes2float

public static float bytes2float(byte[] b,
 int off)

to int.

Parameters:

b - byte array.

off - offset.

Returns:

int.

bytes2long

public static long bytes2long(byte[] b)

to long.

Parameters:

b - byte array.

Returns:

long.

bytes2long

public static long bytes2long(byte[] b,
 int off)

to long.

Parameters:

b - byte array.

off - offset.

Returns:

long.

bytes2double

public static double bytes2double(byte[] b)

to long.

Parameters:

b - byte array.

Returns:

double.

bytes2double

public static double bytes2double(byte[] b,
 int off)

to long.

Parameters:

b - byte array.

off - offset.

Returns:

double.

bytes2hex

public static String bytes2hex(byte[] bs)

to hex string.

Parameters:

bs - byte array.

Returns:

hex string.

bytes2hex

public static String bytes2hex(byte[] bs,
 int off,
 int len)

to hex string.

Parameters:

bs - byte array.

off - offset.

len - length.

Returns:

hex string.

hex2bytes

public static byte[] hex2bytes(String str)

from hex string.

Parameters:

str - hex string.

Returns:

byte array.

hex2bytes

public static byte[] hex2bytes(String str,
 int off,
 int len)

from hex string.

Parameters:

str - hex string.

off - offset.

len - length.

Returns:

byte array.

bytes2base64

public static String bytes2base64(byte[] b)

to base64 string.

Parameters:

b - byte array.

Returns:

base64 string.

bytes2base64

public static String bytes2base64(byte[] b,
 int offset,
 int length)

to base64 string.

Parameters:

b - byte array.

Returns:

base64 string.

bytes2base64

public static String bytes2base64(byte[] b,
 String code)

to base64 string.

Parameters:

b - byte array.

code - base64 code string(0-63 is base64 char,64 is pad char).

Returns:

base64 string.

bytes2base64

public static String bytes2base64(byte[] b,
 int offset,
 int length,
 String code)

to base64 string.

Parameters:

b - byte array.

code - base64 code string(0-63 is base64 char,64 is pad char).

Returns:

base64 string.

bytes2base64

public static String bytes2base64(byte[] b,
 char[] code)

to base64 string.

Parameters:

b - byte array.

code - base64 code(0-63 is base64 char,64 is pad char).

Returns:

base64 string.

bytes2base64

public static String bytes2base64(byte[] bs,
 int off,
 int len,
 char[] code)

to base64 string.

Parameters:

bs - byte array.

off - offset.

len - length.

code - base64 code(0-63 is base64 char,64 is pad char).

Returns:

base64 string.

base642bytes

public static byte[] base642bytes(String str)

from base64 string.

Parameters:

str - base64 string.

Returns:

byte array.

base642bytes

public static byte[] base642bytes(String str,
 int offset,
 int length)

from base64 string.

Parameters:

str - base64 string.

offset - offset.

length - length.

Returns:

byte array.

base642bytes

public static byte[] base642bytes(String str,
 String code)

from base64 string.

Parameters:

str - base64 string.

code - base64 code(0-63 is base64 char,64 is pad char).

Returns:

byte array.

base642bytes

public static byte[] base642bytes(String str,
 int off,
 int len,
 String code)

from base64 string.

Parameters:

str - base64 string.

off - offset.

len - length.

code - base64 code(0-63 is base64 char,64 is pad char).

Returns:

byte array.

base642bytes

public static byte[] base642bytes(String str,
 char[] code)

from base64 string.

Parameters:

str - base64 string.

code - base64 code(0-63 is base64 char,64 is pad char).

Returns:

byte array.

base642bytes

public static byte[] base642bytes(String str,
 int off,
 int len,
 char[] code)

from base64 string.

Parameters:

str - base64 string.

off - offset.

len - length.

code - base64 code(0-63 is base64 char,64 is pad char).

Returns:

byte array.

zip

public static byte[] zip(byte[] bytes)
                  throws IOException

zip.

Parameters:

bytes - source.

Returns:

compressed byte array.

Throws:

IOException

unzip

public static byte[] unzip(byte[] bytes)
                    throws IOException

unzip.

Parameters:

bytes - compressed byte array.

Returns:

byte uncompressed array.

Throws:

IOException

getMD5

public static byte[] getMD5(String str)

get md5.

Parameters:

str - input string.

Returns:

MD5 byte array.

getMD5

public static byte[] getMD5(byte[] source)

get md5.

Parameters:

source - byte array source.

Returns:

MD5 byte array.

getMD5

public static byte[] getMD5(File file)
                     throws IOException

get md5.

Parameters:

file - file source.

Returns:

MD5 byte array.

Throws:

IOException

getMD5

public static byte[] getMD5(InputStream is)
                     throws IOException

get md5.

Parameters:

is - input stream.

Returns:

MD5 byte array.

Throws:

IOException