org.apache.cassandra.utils

Class ByteArrayUtil

java.lang.Object

org.apache.cassandra.utils.ByteArrayUtil

public class ByteArrayUtil
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static byte[]	EMPTY_BYTE_ARRAY

Constructor Summary

Constructors

Constructor and Description
ByteArrayUtil()

Method Summary

Modifier and Type	Method and 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(java.lang.String v)
static byte[]	bytes(java.lang.String v, java.nio.charset.Charset charset)
static java.lang.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, java.nio.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(java.lang.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(java.io.DataInput in)
static byte[]	readWithShortLength(java.io.DataInput in)
static java.lang.String	string(byte[] bytes)
static java.lang.String	string(byte[] buffer, java.nio.charset.Charset charset)
static void	writeWithLength(byte[] bytes, java.io.DataOutput out)
static void	writeWithShortLength(byte[] buffer, java.io.DataOutput out)

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY_BYTE_ARRAY

public static final byte[] EMPTY_BYTE_ARRAY

Constructor Detail

ByteArrayUtil

public ByteArrayUtil()

Method Detail

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(java.lang.String v)

bytes

public static byte[] bytes(java.lang.String v,
                           java.nio.charset.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 java.lang.String bytesToHex(byte[] bytes)

hexToBytes

public static byte[] hexToBytes(java.lang.String hex)

string

public static java.lang.String string(byte[] bytes)
                               throws java.nio.charset.CharacterCodingException

Throws:

java.nio.charset.CharacterCodingException

string

public static java.lang.String string(byte[] buffer,
                                      java.nio.charset.Charset charset)
                               throws java.nio.charset.CharacterCodingException

Throws:

java.nio.charset.CharacterCodingException

writeWithLength

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

Throws:

java.io.IOException

writeWithShortLength

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

Throws:

java.io.IOException

readWithLength

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

Throws:

java.io.IOException

readWithShortLength

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

Throws:

java.io.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,
                             java.nio.ByteBuffer dst,
                             int dstPos,
                             int length)