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

类 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

作者:

yuqih

构造器概要

构造器

构造器和说明
BytesUtil()

方法概要

限定符和类型	方法和说明
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, Charset charset) 将String转换为byte
static byte[]	objString2Byte(String value, int max, Charset charset) 将String转换为byte

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

BytesUtil

public BytesUtil()

方法详细资料

long2buff

public static byte[] long2buff(long n)

long convert to buff (big-endian)

参数:

n - long number

返回:

8 bytes buff

buff2long

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

buff convert to long

参数:

bs - the buffer (big-endian)

offset - the start position based 0

返回:

long number

buff2int

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

buff convert to int

参数:

bs - the buffer (big-endian)

offset - the start position based 0

返回:

int number

objString2Byte

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

将String转换为byte

返回:

抛出:

NoSuchMethodException

InvocationTargetException

IllegalAccessException

objString2Byte

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

将String转换为byte

参数:

value -

charset -

返回: