com.grey.base.utils

Class ByteOps

java.lang.Object

com.grey.base.utils.ByteOps

public final class ByteOps
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static byte[]	EMPTYBUF
static long	GIGA
static int	INTBYTES
static long	INTMASK
static long	KILO
static int	LONGBYTES
static long	MEGA
static int	SHORTMASK

Constructor Summary

Constructors

Constructor and Description
ByteOps()

Method Summary

Modifier and Type	Method and Description
static boolean	cmp(byte[] arr1, byte[] arr2)
static boolean	cmp(byte[] arr1, int off1, byte[] arr2, int off2, int len)
static int	count(byte[] container, byte[] seq)
static int	count(byte[] container, int coff, int clen, byte[] seq, int soff, int slen)
static int	count(int val, byte[] container)
static int	count(int val, byte[] container, int coff, int clen)
static int	decodeInt(byte[] buf, int off, int len)
static long	decodeLong(byte[] buf, int off, int len)
static int	encodeInt(int intval, byte[] buf, int off, int len)
static byte[]	encodeInt(int intval, int len)
static int	encodeInt(long intval, byte[] buf, int off, int len)
static byte[]	encodeInt(long intval, int len)
static StringBuilder	expandByteSize(long size)
static StringBuilder	expandByteSize(long size, StringBuilder sb, boolean reset)
static int	find(byte[] container, byte[] seq, int soff)
static int	find(byte[] container, int coff, int clen, byte[] seq, int soff)
static byte[]	getBytes8(CharSequence str)
static byte[]	getBytesUTF16(char[] arr, int off, int len)
static byte[]	getBytesUTF16(char[] carr, int coff, int clen, byte[] barr, int boff)
static byte[]	getBytesUTF16(CharSequence str)
static byte[]	getBytesUTF16(CharSequence str, int off, int len)
static byte[]	getBytesUTF16(CharSequence str, int coff, int clen, byte[] barr, int boff)
static char[]	getCharsUTF16(byte[] arr)
static char[]	getCharsUTF16(byte[] arr, int off, int len)
static char[]	getCharsUTF16(byte[] barr, int boff, int blen, char[] carr, int coff)
static int	indexOf(byte[] container, byte[] seq)
static int	indexOf(byte[] container, int val)
static int	indexOf(byte[] container, int coff, int clen, byte[] seq, int soff, int slen)
static int	indexOf(byte[] container, int coff, int clen, int val)
static long	parseByteSize(CharSequence str)
static long	parseByteSize(CharSequence str, int off, int len)

Methods inherited from class java.lang.Object

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

Field Detail

KILO

public static final long KILO

See Also:

Constant Field Values

MEGA

public static final long MEGA

See Also:

Constant Field Values

GIGA

public static final long GIGA

See Also:

Constant Field Values

LONGBYTES

public static final int LONGBYTES

See Also:

Constant Field Values

INTBYTES

public static final int INTBYTES

See Also:

Constant Field Values

SHORTMASK

public static final int SHORTMASK

See Also:

Constant Field Values

INTMASK

public static final long INTMASK

See Also:

Constant Field Values

EMPTYBUF

public static final byte[] EMPTYBUF

Constructor Detail

ByteOps

public ByteOps()

Method Detail

getBytesUTF16

public static byte[] getBytesUTF16(CharSequence str)

getBytesUTF16

public static byte[] getBytesUTF16(CharSequence str,
                                   int off,
                                   int len)

getBytesUTF16

public static byte[] getBytesUTF16(CharSequence str,
                                   int coff,
                                   int clen,
                                   byte[] barr,
                                   int boff)

getBytesUTF16

public static byte[] getBytesUTF16(char[] arr,
                                   int off,
                                   int len)

getBytesUTF16

public static byte[] getBytesUTF16(char[] carr,
                                   int coff,
                                   int clen,
                                   byte[] barr,
                                   int boff)

getCharsUTF16

public static char[] getCharsUTF16(byte[] arr)

getCharsUTF16

public static char[] getCharsUTF16(byte[] arr,
                                   int off,
                                   int len)

count

public static int count(int val,
                        byte[] container)

count

public static int count(byte[] container,
                        byte[] seq)

indexOf

public static int indexOf(byte[] container,
                          int val)

indexOf

public static int indexOf(byte[] container,
                          byte[] seq)

find

public static int find(byte[] container,
                       byte[] seq,
                       int soff)

expandByteSize

public static StringBuilder expandByteSize(long size)

getBytes8

public static byte[] getBytes8(CharSequence str)

getCharsUTF16

public static char[] getCharsUTF16(byte[] barr,
                                   int boff,
                                   int blen,
                                   char[] carr,
                                   int coff)

cmp

public static boolean cmp(byte[] arr1,
                          byte[] arr2)

cmp

public static boolean cmp(byte[] arr1,
                          int off1,
                          byte[] arr2,
                          int off2,
                          int len)

count

public static int count(int val,
                        byte[] container,
                        int coff,
                        int clen)

count

public static int count(byte[] container,
                        int coff,
                        int clen,
                        byte[] seq,
                        int soff,
                        int slen)

indexOf

public static int indexOf(byte[] container,
                          int coff,
                          int clen,
                          int val)

indexOf

public static int indexOf(byte[] container,
                          int coff,
                          int clen,
                          byte[] seq,
                          int soff,
                          int slen)

find

public static int find(byte[] container,
                       int coff,
                       int clen,
                       byte[] seq,
                       int soff)

decodeLong

public static long decodeLong(byte[] buf,
                              int off,
                              int len)

encodeInt

public static int encodeInt(long intval,
                            byte[] buf,
                            int off,
                            int len)

encodeInt

public static byte[] encodeInt(long intval,
                               int len)

decodeInt

public static int decodeInt(byte[] buf,
                            int off,
                            int len)

encodeInt

public static int encodeInt(int intval,
                            byte[] buf,
                            int off,
                            int len)

encodeInt

public static byte[] encodeInt(int intval,
                               int len)

parseByteSize

public static long parseByteSize(CharSequence str)

parseByteSize

public static long parseByteSize(CharSequence str,
                                 int off,
                                 int len)

expandByteSize

public static StringBuilder expandByteSize(long size,
                                           StringBuilder sb,
                                           boolean reset)