Package org.apache.cassandra.utils

Class ByteArrayUtil

java.lang.Object

org.apache.cassandra.utils.ByteArrayUtil

public class ByteArrayUtil
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final byte[]	EMPTY_BYTE_ARRAY

Constructor Summary

Constructors

Constructor	Description
ByteArrayUtil()

Method Summary

Modifier and Type	Method	Description
static byte[]	bytes(byte b)
static byte[]	bytes(double v)
static byte[]	bytes(float v)
static byte[]	bytes(int v)
static byte[]	bytes(long v)
static byte[]	bytes(short v)
static byte[]	bytes(String v)
static byte[]	bytes(String v, Charset charset)
static String	bytesToHex(byte[] bytes)
static int	compareUnsigned(byte[] o1, byte[] o2)
static int	compareUnsigned(byte[] o1, int off1, byte[] o2, int off2, int len)
static void	copyBytes(byte[] src, int srcPos, byte[] dst, int dstPos, int length)
static void	copyBytes(byte[] src, int srcPos, ByteBuffer dst, int dstPos, int length)
static boolean	getBoolean(byte[] b, int off)
static char	getChar(byte[] b, int off)
static double	getDouble(byte[] b, int off)
static float	getFloat(byte[] b, int off)
static int	getInt(byte[] b)
static int	getInt(byte[] b, int off)
static long	getLong(byte[] b)
static long	getLong(byte[] b, int off)
static short	getShort(byte[] b, int off)
static int	getUnsignedShort(byte[] b, int off)
static byte[]	hexToBytes(String hex)
static void	putBoolean(byte[] b, int off, boolean val)
static void	putChar(byte[] b, int off, char val)
static void	putDouble(byte[] b, int off, double val)
static void	putFloat(byte[] b, int off, float val)
static void	putInt(byte[] b, int off, int val)
static void	putLong(byte[] b, int off, long val)
static void	putShort(byte[] b, int off, short val)
static byte[]	readWithLength(DataInput in)
static byte[]	readWithShortLength(DataInput in)
static byte[]	readWithVIntLength(DataInputPlus in)
static int	serializedSizeWithVIntLength(byte[] bytes)
static String	string(byte[] bytes)
static String	string(byte[] buffer, Charset charset)
static void	writeWithLength(byte[] bytes, DataOutput out)
static void	writeWithShortLength(byte[] buffer, DataOutput out)
static void	writeWithVIntLength(byte[] bytes, DataOutputPlus out)

Methods inherited from class java.lang.Object

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

Field Details

EMPTY_BYTE_ARRAY

public static final byte[] EMPTY_BYTE_ARRAY

Constructor Details

ByteArrayUtil

public ByteArrayUtil()

Method Details

compareUnsigned

public static int compareUnsigned(byte[] o1,
 byte[] o2)

compareUnsigned

public static int compareUnsigned(byte[] o1,
 int off1,
 byte[] o2,
 int off2,
 int len)

bytes

public static byte[] bytes(byte b)

bytes

public static byte[] bytes(int v)

bytes

public static byte[] bytes(long v)

bytes

public static byte[] bytes(short v)

bytes

public static byte[] bytes(float v)

bytes

public static byte[] bytes(double v)

bytes

public static byte[] bytes(String v)

bytes

public static byte[] bytes(String v,
 Charset charset)

getBoolean

public static boolean getBoolean(byte[] b,
 int off)

getChar

public static char getChar(byte[] b,
 int off)

getShort

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

getUnsignedShort

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

getInt

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

getInt

public static int getInt(byte[] b)

getFloat

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

getLong

public static long getLong(byte[] b)

getLong

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

getDouble

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

putBoolean

public static void putBoolean(byte[] b,
 int off,
 boolean val)

putChar

public static void putChar(byte[] b,
 int off,
 char val)

putShort

public static void putShort(byte[] b,
 int off,
 short val)

putInt

public static void putInt(byte[] b,
 int off,
 int val)

putFloat

public static void putFloat(byte[] b,
 int off,
 float val)

putLong

public static void putLong(byte[] b,
 int off,
 long val)

putDouble

public static void putDouble(byte[] b,
 int off,
 double val)

bytesToHex

public static String bytesToHex(byte[] bytes)

hexToBytes

public static byte[] hexToBytes(String hex)

string

public static String string(byte[] bytes)
                     throws CharacterCodingException

Throws:

CharacterCodingException

string

public static String string(byte[] buffer,
 Charset charset)
                     throws CharacterCodingException

Throws:

CharacterCodingException

writeWithLength

public static void writeWithLength(byte[] bytes,
 DataOutput out)
                            throws IOException

Throws:

IOException

writeWithShortLength

public static void writeWithShortLength(byte[] buffer,
 DataOutput out)
                                 throws IOException

Throws:

IOException

writeWithVIntLength

public static void writeWithVIntLength(byte[] bytes,
 DataOutputPlus out)
                                throws IOException

Throws:

IOException

serializedSizeWithVIntLength

public static int serializedSizeWithVIntLength(byte[] bytes)

readWithLength

public static byte[] readWithLength(DataInput in)
                             throws IOException

Throws:

IOException

readWithShortLength

public static byte[] readWithShortLength(DataInput in)
                                  throws IOException

Throws:

IOException

readWithVIntLength

public static byte[] readWithVIntLength(DataInputPlus in)
                                 throws IOException

Throws:

IOException

copyBytes

public static void copyBytes(byte[] src,
 int srcPos,
 byte[] dst,
 int dstPos,
 int length)

copyBytes

public static void copyBytes(byte[] src,
 int srcPos,
 ByteBuffer dst,
 int dstPos,
 int length)