com.teraspaces.qwframework
Class QWBitConverter

java.lang.Object
  com.teraspaces.qwframework.QWBitConverter

public final class QWBitConverter
extends Object

Helper functions used by QWFIX internally.

Constructor Summary

QWBitConverter()

Method Summary

static void	copyBytes(int value, byte[] buffer, int startIndex) Converts a value into byte stream.
static void	copyBytes(long value, byte[] buffer, int startIndex) Converts a value into byte stream.
static void	copyBytes(short valueShort, byte[] buffer, int startIndex) Converts a value into byte stream.
static int	toInt(byte[] buffer, int startIndex) Converts a value into byte stream.
static long	toLong(byte[] buffer, int startIndex) Converts a value into byte stream.
static short	toShort(byte[] buffer, int startIndex) Converts a byte stream into value.

Methods inherited from class java.lang.Object

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

Constructor Detail

QWBitConverter

public QWBitConverter()

Method Detail

copyBytes

public static void copyBytes(short valueShort,
                             byte[] buffer,
                             int startIndex)

Converts a value into byte stream.

Little-endian(as in native x86) is used. Note Java uses big-endian internally.

Parameters:

valueShort - the short value

buffer - the buffer

startIndex - the start index

copyBytes

public static void copyBytes(int value,
                             byte[] buffer,
                             int startIndex)

Converts a value into byte stream.

Little-endian(as in native x86) is used. Note Java uses big-endian internally.

Parameters:

value - the value

buffer - the buffer

startIndex - the start index

copyBytes

public static void copyBytes(long value,
                             byte[] buffer,
                             int startIndex)

Converts a value into byte stream.

Little-endian(as in native x86) is used. Note Java uses big-endian internally.

Parameters:

value - the value

buffer - the buffer

startIndex - the start index

toShort

public static short toShort(byte[] buffer,
                            int startIndex)

Converts a byte stream into value.

Little-endian(as in native x86) is used. Note Java uses big-endian internally.

Parameters:

buffer - the buffer

startIndex - the start index

Returns:

the short value

toInt

public static int toInt(byte[] buffer,
                        int startIndex)

Converts a value into byte stream.

Little-endian(as in native x86) is used. Note Java uses big-endian internally.

Parameters:

buffer - the buffer

startIndex - the start index

Returns:

the integer value

toLong

public static long toLong(byte[] buffer,
                          int startIndex)

Converts a value into byte stream.

Little-endian(as in native x86) is used. Note Java uses big-endian internally.

Parameters:

buffer - the buffer

startIndex - the start index

Returns:

the long valie