net.sf.marineapi.ais.parser

Class AISMessageParser

java.lang.Object

net.sf.marineapi.ais.parser.AISMessageParser

All Implemented Interfaces:

AISMessage

public class AISMessageParser
extends Object
implements AISMessage

Base class for all AIS messages.

Author:

Lázár József, Kimmo Tuukkanen

Field Summary

Fields

Modifier and Type	Field and Description
protected List<Violation>	fViolations

Constructor Summary

Constructors

Modifier	Constructor and Description
	AISMessageParser() Default constructor.
protected	AISMessageParser(Sixbit sb) Constucor with Sixbit content decoder.

Method Summary

Modifier and Type	Method and Description
void	addViolation(Violation v) Add a new rule violation to this message
void	append(String fragment, int fragmentIndex, int fillBits) Append a paylod fragment to combine messages devivered over multiple sentences.
Sixbit	getMessageBody() Returns the message sixbit decoder.
int	getMessageType() Returns the message type.
int	getMMSI() Returns the unique identifier of the transmitting ship (MMSI, Maritime Mobile Service Identity).
int	getNrOfViolations() Returns the number of violations.
int	getRepeatIndicator() Tells how many times the message has been repeated.
List<Violation>	getViolations() Returns list of discoverd data violations.

Methods inherited from class java.lang.Object

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

Field Detail

fViolations

protected List<Violation> fViolations

Constructor Detail

AISMessageParser

public AISMessageParser()

Default constructor.

AISMessageParser

protected AISMessageParser(Sixbit sb)

Constucor with Sixbit content decoder.

Parameters:

sb - Content decoder

Method Detail

addViolation

public void addViolation(Violation v)

Add a new rule violation to this message

getNrOfViolations

public int getNrOfViolations()

Returns the number of violations.

getViolations

public List<Violation> getViolations()

Returns list of discoverd data violations.

getMessageType

public int getMessageType()

Description copied from interface: AISMessage

Returns the message type.

Specified by:

getMessageType in interface AISMessage

Returns:

Message type in range from 1 to 27.

getRepeatIndicator

public int getRepeatIndicator()

Description copied from interface: AISMessage

Tells how many times the message has been repeated.

Specified by:

getRepeatIndicator in interface AISMessage

Returns:

the number of repeats

getMMSI

public int getMMSI()

Description copied from interface: AISMessage

Returns the unique identifier of the transmitting ship (MMSI, Maritime Mobile Service Identity).

Specified by:

getMMSI in interface AISMessage

Returns:

MMSI identifier

getMessageBody

public Sixbit getMessageBody()

Returns the message sixbit decoder.

Returns:

Sixbit

append

public void append(String fragment,
                   int fragmentIndex,
                   int fillBits)

Append a paylod fragment to combine messages devivered over multiple sentences.

Parameters:

fragment - Data fragment in sixbit encoded format

fragmentIndex - Fragment number within the fragments sequence

fillBits - Number of additional fill-bits