public class EncodingUtils
extends java.lang.Object
Constructor and Description |
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EncodingUtils() |
Modifier and Type | Method and Description |
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static byte |
clearBit(byte v,
int position)
Returns v, with the bit at position set to zero.
|
static int |
clearBit(int v,
int position) |
static long |
clearBit(long v,
int position) |
static short |
clearBit(short v,
int position) |
static int |
decodeBigEndian(byte[] buf)
Decode a series of 4 bytes from
buf , starting at position 0,
and interpret them as an integer. |
static int |
decodeBigEndian(byte[] buf,
int offset)
Decode a series of 4 bytes from
buf , start at
offset , and interpret them as an integer. |
static void |
encodeBigEndian(int integer,
byte[] buf)
Encode
integer as a series of 4 bytes into buf
starting at position 0 within that buffer. |
static void |
encodeBigEndian(int integer,
byte[] buf,
int offset)
Encode
integer as a series of 4 bytes into buf
starting at position offset . |
static byte |
setBit(byte v,
int position,
boolean value)
Returns v, with the bit at position set to 1 or 0 depending on value.
|
static int |
setBit(int v,
int position,
boolean value) |
static long |
setBit(long v,
int position,
boolean value) |
static short |
setBit(short v,
int position,
boolean value) |
static boolean |
testBit(byte v,
int position)
Bitfield utilities.
|
static boolean |
testBit(int v,
int position) |
static boolean |
testBit(long v,
int position) |
static boolean |
testBit(short v,
int position) |
public static final void encodeBigEndian(int integer, byte[] buf)
integer
as a series of 4 bytes into buf
starting at position 0 within that buffer.integer
- The integer to encode.buf
- The buffer to write to.public static final void encodeBigEndian(int integer, byte[] buf, int offset)
integer
as a series of 4 bytes into buf
starting at position offset
.integer
- The integer to encode.buf
- The buffer to write to.offset
- The offset within buf
to start the encoding.public static final int decodeBigEndian(byte[] buf)
buf
, starting at position 0,
and interpret them as an integer.buf
- The buffer to read from.public static final int decodeBigEndian(byte[] buf, int offset)
buf
, start at
offset
, and interpret them as an integer.buf
- The buffer to read from.offset
- The offset with buf
to start the decoding.public static final boolean testBit(byte v, int position)
public static final boolean testBit(short v, int position)
public static final boolean testBit(int v, int position)
public static final boolean testBit(long v, int position)
public static final byte clearBit(byte v, int position)
public static final short clearBit(short v, int position)
public static final int clearBit(int v, int position)
public static final long clearBit(long v, int position)
public static final byte setBit(byte v, int position, boolean value)
public static final short setBit(short v, int position, boolean value)
public static final int setBit(int v, int position, boolean value)
public static final long setBit(long v, int position, boolean value)