dk.dma.ais.binary

Class SixbitEncoder

java.lang.Object

dk.dma.ais.binary.SixbitEncoder

public class SixbitEncoder
extends Object

Class to encode into a six bit string

Constructor Summary

Constructors

Constructor and Description
SixbitEncoder()

Method Summary

Modifier and Type	Method and Description
void	addString(String str) Add string
void	addString(String str, int length) Add string and a number of spaces to fill length characters
void	addVal(long value, int bits) Add a value using bits number of bits
void	append(BinArray ba) Append a binary array
void	append(SixbitEncoder encoder) Append another encoder
String	encode() Get encoded six bit string
BinArray	getBinArray() Get the underlying binary array
int	getLength() Get bit length
int	getPadBits() The number of padding bits
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

SixbitEncoder

public SixbitEncoder()

Method Detail

addVal

public void addVal(long value,
                   int bits)

Add a value using bits number of bits

Parameters:

value - the value

bits - the bits

addString

public void addString(String str)

Add string

Parameters:

str - the str

addString

public void addString(String str,
                      int length)

Add string and a number of spaces to fill length characters

Parameters:

str - the str

length - the length

append

public void append(SixbitEncoder encoder)

Append another encoder

Parameters:

encoder - the encoder

append

public void append(BinArray ba)

Append a binary array

Parameters:

ba - the ba

encode

public String encode()
              throws SixbitException

Get encoded six bit string

Returns:

string string

Throws:

SixbitException - the sixbit exception

getPadBits

public int getPadBits()

The number of padding bits

Returns:

pad bits

getLength

public int getLength()

Get bit length

Returns:

length

getBinArray

public BinArray getBinArray()

Get the underlying binary array

Returns:

bin array

toString

public String toString()

Overrides:

toString in class Object