public class ByteConverter
extends java.lang.Object
Modifier and Type | Field and Description |
---|---|
private static int |
DEC_DIGITS |
private static int |
LONG_BYTES |
private static int |
NBASE |
private static int |
NUMERIC_DSCALE_MASK |
private static short |
NUMERIC_NAN |
private static short |
NUMERIC_NEG |
private static short |
NUMERIC_POS |
private static int[] |
round_powers |
private static int |
SHORT_BYTES |
Modifier | Constructor and Description |
---|---|
private |
ByteConverter() |
Modifier and Type | Method and Description |
---|---|
static boolean |
bool(byte[] bytes,
int idx)
Parses a boolean value from the byte array.
|
static void |
bool(byte[] target,
int idx,
boolean value)
Encodes a boolean value to the byte array.
|
static int |
bytesToInt(byte[] bytes)
Convert a variable length array of bytes to an integer
|
private static void |
digitToString(int idx,
short[] digits,
java.nio.CharBuffer buffer,
boolean alwaysPutIt)
Convert a number from binary representation to text representation.
|
static float |
float4(byte[] bytes,
int idx)
Parses a float value from the byte array.
|
static void |
float4(byte[] target,
int idx,
float value)
Encodes a int value to the byte array.
|
static double |
float8(byte[] bytes,
int idx)
Parses a double value from the byte array.
|
static void |
float8(byte[] target,
int idx,
double value)
Encodes a int value to the byte array.
|
static short |
int2(byte[] bytes,
int idx)
Parses a short value from the byte array.
|
static void |
int2(byte[] target,
int idx,
int value)
Encodes a int value to the byte array.
|
static int |
int4(byte[] bytes,
int idx)
Parses an int value from the byte array.
|
static void |
int4(byte[] target,
int idx,
int value)
Encodes a int value to the byte array.
|
static long |
int8(byte[] bytes,
int idx)
Parses a long value from the byte array.
|
static void |
int8(byte[] target,
int idx,
long value)
Encodes a long value to the byte array.
|
private static java.lang.String |
numberBytesToString(short[] digits,
int scale,
int weight,
int sign)
Convert a number from binary representation to text representation.
|
static java.lang.Number |
numeric(byte[] bytes)
Convert a variable length array of bytes to an integer
|
static java.lang.Number |
numeric(byte[] bytes,
int pos,
int numBytes)
Convert a variable length array of bytes to an integer
|
private static final int NBASE
private static final int NUMERIC_DSCALE_MASK
private static final short NUMERIC_POS
private static final short NUMERIC_NEG
private static final short NUMERIC_NAN
private static final int DEC_DIGITS
private static final int[] round_powers
private static final int SHORT_BYTES
private static final int LONG_BYTES
public static int bytesToInt(byte[] bytes)
bytes
- array of bytes that can be decoded as an integerprivate static void digitToString(int idx, short[] digits, java.nio.CharBuffer buffer, boolean alwaysPutIt)
idx
- index of the digit to be converted in the digits arraydigits
- array of shorts that can be decoded as the number Stringbuffer
- the character buffer to put the text representation inalwaysPutIt
- a flag that indicate whether or not to put the digit char even if it is zeroprivate static java.lang.String numberBytesToString(short[] digits, int scale, int weight, int sign)
digits
- array of shorts that can be decoded as the number Stringscale
- the scale of the number binary representationweight
- the weight of the number binary representationsign
- the sign of the numberpublic static java.lang.Number numeric(byte[] bytes)
bytes
- array of bytes that can be decoded as an integerpublic static java.lang.Number numeric(byte[] bytes, int pos, int numBytes)
bytes
- array of bytes that can be decoded as an integerpos
- index of the start position of the bytes array for numbernumBytes
- number of bytes to use, length is already encoded
in the binary format but this is used for double checkingpublic static long int8(byte[] bytes, int idx)
bytes
- The byte array to parse.idx
- The starting index of the parse in the byte array.public static int int4(byte[] bytes, int idx)
bytes
- The byte array to parse.idx
- The starting index of the parse in the byte array.public static short int2(byte[] bytes, int idx)
bytes
- The byte array to parse.idx
- The starting index of the parse in the byte array.public static boolean bool(byte[] bytes, int idx)
bytes
- The byte array to parse.idx
- The starting index to read from bytes.public static float float4(byte[] bytes, int idx)
bytes
- The byte array to parse.idx
- The starting index of the parse in the byte array.public static double float8(byte[] bytes, int idx)
bytes
- The byte array to parse.idx
- The starting index of the parse in the byte array.public static void int8(byte[] target, int idx, long value)
target
- The byte array to encode to.idx
- The starting index in the byte array.value
- The value to encode.public static void int4(byte[] target, int idx, int value)
target
- The byte array to encode to.idx
- The starting index in the byte array.value
- The value to encode.public static void int2(byte[] target, int idx, int value)
target
- The byte array to encode to.idx
- The starting index in the byte array.value
- The value to encode.public static void bool(byte[] target, int idx, boolean value)
target
- The byte array to encode to.idx
- The starting index in the byte array.value
- The value to encode.public static void float4(byte[] target, int idx, float value)
target
- The byte array to encode to.idx
- The starting index in the byte array.value
- The value to encode.public static void float8(byte[] target, int idx, double value)
target
- The byte array to encode to.idx
- The starting index in the byte array.value
- The value to encode.