com.io7m.jintegers

Class Unsigned16

java.lang.Object

com.io7m.jintegers.Unsigned16

public final class Unsigned16
extends Object

Unsigned 16-bit integer handling.

Method Summary

Methods

Modifier and Type	Method and Description
static void	packToBuffer(int x, ByteBuffer data, int index) Pack an unsigned 16-bit integer into the buffer.
static ByteBuffer	packToBufferBigEndian(int i, ByteBuffer r, int index) Pack i into a byte buffer r using a big-endian encoding such that the most significant byte is in r[index].
static ByteBuffer	packToBufferLittleEndian(int i, ByteBuffer r, int index) Pack i into a byte buffer r using a little-endian encoding such that the least significant byte is in r[index].
static int	unpackFromBuffer(ByteBuffer data, int index) Unpack an unsigned 16-bit integer from the buffer.
static int	unpackFromBufferBigEndian(ByteBuffer buffer, int index) Unpack an integer from buffer assuming a big-endian encoding such that the most significant byte is in b[index].
static int	unpackFromBufferLittleEndian(ByteBuffer buffer, int index) Unpack an integer from buffer assuming a little-endian encoding such that the least significant byte is in b[index] .

Methods inherited from class java.lang.Object

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

Method Detail

packToBufferBigEndian

public static ByteBuffer packToBufferBigEndian(int i,
                               ByteBuffer r,
                               int index)

Pack i into a byte buffer r using a big-endian encoding such that the most significant byte is in r[index].

Parameters:

r - The buffer.

i - The value to be packed.

index - The starting index.

Returns:

r

packToBufferLittleEndian

public static ByteBuffer packToBufferLittleEndian(int i,
                                  ByteBuffer r,
                                  int index)

Pack i into a byte buffer r using a little-endian encoding such that the least significant byte is in r[index].

Parameters:

r - The buffer.

i - The value to be packed.

index - The starting index.

Returns:

r

packToBuffer

public static void packToBuffer(int x,
                ByteBuffer data,
                int index)

Pack an unsigned 16-bit integer into the buffer.

Parameters:

x - The value.

data - The buffer.

index - The starting index.

unpackFromBufferBigEndian

public static int unpackFromBufferBigEndian(ByteBuffer buffer,
                            int index)

Unpack an integer from buffer assuming a big-endian encoding such that the most significant byte is in b[index].

Parameters:

index - The starting index in the buffer.

buffer - The buffer from which to unpack data.

Returns:

A 16 bit integer value.

unpackFromBuffer

public static int unpackFromBuffer(ByteBuffer data,
                   int index)

Unpack an unsigned 16-bit integer from the buffer.

Parameters:

data - The buffer.

index - The starting index.

Returns:

An unpacked integer value.

unpackFromBufferLittleEndian

public static int unpackFromBufferLittleEndian(ByteBuffer buffer,
                               int index)

Unpack an integer from buffer assuming a little-endian encoding such that the least significant byte is in b[index] .

Parameters:

index - The starting index

buffer - The buffer from which to unpack data.

Returns:

A 16 bit integer value.