Class ByteUtils

java.lang.Object

net.rubyeye.xmemcached.utils.ByteUtils

public final class ByteUtils
extends Object

Utilities for byte process

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static final int[]	byte_len_array
static final Charset	DEFAULT_CHARSET
static final String	DEFAULT_CHARSET_NAME
(package private) static final byte[]	DigitOnes
(package private) static final byte[]	digits	All possible chars for representing a number as a String
(package private) static final byte[]	DigitTens
static final boolean	ENABLE_FAST_STRING_ENCODER
static final org.slf4j.Logger	log
private static int	maxKeyLength
private static Protocol	memcachedProtocol
(package private) static final int[]	sizeTable
static final ByteBuffer	SPLIT
static boolean	testing	if it is testing,check key argument even if use binary protocol.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	ByteUtils()

Method Summary

Modifier and Type	Method	Description
static void	byte2hex(byte b, StringBuffer buf)
static final void	checkKey(byte[] keyBytes)
static final void	checkKey(String key)
(package private) static void	getBytes(int i, int index, byte[] buf)	Places characters representing the integer i into the character array buf.
static void	getBytes(long i, int index, byte[] buf)
static final byte[]	getBytes(String k)
static String	getString(byte[] bytes)
static byte	int0(int x)
static byte	int1(int x)
static byte	int2(int x)
static void	int2hex(int a, StringBuffer str)
static byte	int3(int x)
static boolean	isNumber(String string)
static boolean	isValidString(String s)
static byte	long0(long x)
static byte	long1(long x)
static byte	long2(long x)
static byte	long3(long x)
static byte	long4(long x)
static byte	long5(long x)
static byte	long6(long x)
static byte	long7(long x)
static final String	nextLine(ByteBuffer buffer)	Read next line from ByteBuffer
static final int	normalizeCapacity(int requestedCapacity)
static final int	setArguments(byte[] bb, int index, Object... args)
static final void	setArguments(IoBuffer bb, Object... args)
static void	setProtocol(Protocol protocol)
static byte	short0(short x)
static byte	short1(short x)
static void	short2hex(int a, StringBuffer str)
static final boolean	stepBuffer(ByteBuffer buffer, int remaining)
static final int	stringSize(int x)
static final int	stringSize(long x)

Methods inherited from class Object

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

Field Details

log

public static final org.slf4j.Logger log

DEFAULT_CHARSET_NAME

public static final String DEFAULT_CHARSET_NAME

See Also:

• Constant Field Values

DEFAULT_CHARSET

public static final Charset DEFAULT_CHARSET

SPLIT

public static final ByteBuffer SPLIT

ENABLE_FAST_STRING_ENCODER

public static final boolean ENABLE_FAST_STRING_ENCODER

testing

public static boolean testing

if it is testing,check key argument even if use binary protocol. The user must never change this value at all.

memcachedProtocol

private static Protocol memcachedProtocol

maxKeyLength

private static int maxKeyLength

digits

static final byte[] digits

All possible chars for representing a number as a String

DigitTens

static final byte[] DigitTens

DigitOnes

static final byte[] DigitOnes

sizeTable

static final int[] sizeTable

byte_len_array

static final int[] byte_len_array

Constructor Details

ByteUtils

private ByteUtils()

Method Details

isValidString

public static boolean isValidString(String s)

isNumber

public static boolean isNumber(String string)

getBytes

public static final byte[] getBytes(String k)

setArguments

public static final void setArguments(IoBuffer bb,
 Object... args)

setArguments

public static final int setArguments(byte[] bb,
 int index,
 Object... args)

checkKey

public static final void checkKey(byte[] keyBytes)

checkKey

public static final void checkKey(String key)

setProtocol

public static void setProtocol(Protocol protocol)

normalizeCapacity

public static final int normalizeCapacity(int requestedCapacity)

stepBuffer

public static final boolean stepBuffer(ByteBuffer buffer,
 int remaining)

nextLine

public static final String nextLine(ByteBuffer buffer)

Read next line from ByteBuffer

Parameters:

buffer -

Returns:

getString

public static String getString(byte[] bytes)

byte2hex

public static void byte2hex(byte b,
 StringBuffer buf)

int2hex

public static void int2hex(int a,
 StringBuffer str)

short2hex

public static void short2hex(int a,
 StringBuffer str)

getBytes

public static void getBytes(long i,
 int index,
 byte[] buf)

getBytes

static void getBytes(int i,
 int index,
 byte[] buf)

Places characters representing the integer i into the character array buf. The characters are placed into the buffer backwards starting with the least significant digit at the specified index (exclusive), and working backwards from there. Will fail if i == Integer.MIN_VALUE

stringSize

public static final int stringSize(int x)

stringSize

public static final int stringSize(long x)

int3

public static byte int3(int x)

int2

public static byte int2(int x)

int1

public static byte int1(int x)

int0

public static byte int0(int x)

short1

public static byte short1(short x)

short0

public static byte short0(short x)

long7

public static byte long7(long x)

long6

public static byte long6(long x)

long5

public static byte long5(long x)

long4

public static byte long4(long x)

long3

public static byte long3(long x)

long2

public static byte long2(long x)

long1

public static byte long1(long x)

long0

public static byte long0(long x)