Package com.github.tobato.fastdfs.domain.proto.mapper

Class BytesUtil

java.lang.Object

com.github.tobato.fastdfs.domain.proto.mapper.BytesUtil

public class BytesUtil
extends Object

java与C服务端数据交换时byte数组与int,long转换的工具类

Author:

yuqih

Constructor Summary

Constructors

Constructor	Description
BytesUtil()

Method Summary

Modifier and Type	Method	Description
static int	buff2int(byte[] bs, int offset)	buff convert to int
static long	buff2long(byte[] bs, int offset)	buff convert to long
static byte[]	long2buff(long n)	long convert to buff (big-endian)
static byte[]	objString2Byte(String value, int max, Charset charset)	将String转换为byte
static byte[]	objString2Byte(String value, Charset charset)	将String转换为byte

Methods inherited from class java.lang.Object

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

Constructor Details

BytesUtil

public BytesUtil()

Method Details

long2buff

public static byte[] long2buff(long n)

long convert to buff (big-endian)

Parameters:

n - long number

Returns:

8 bytes buff

buff2long

public static long buff2long(byte[] bs,
 int offset)

buff convert to long

Parameters:

bs - the buffer (big-endian)

offset - the start position based 0

Returns:

long number

buff2int

public static int buff2int(byte[] bs,
 int offset)

buff convert to int

Parameters:

bs - the buffer (big-endian)

offset - the start position based 0

Returns:

int number

objString2Byte

public static byte[] objString2Byte(String value,
 int max,
 Charset charset)

将String转换为byte

Returns:

Throws:

NoSuchMethodException

InvocationTargetException

IllegalAccessException

objString2Byte

public static byte[] objString2Byte(String value,
 Charset charset)

将String转换为byte

Parameters:

value -

charset -

Returns: