triptracker.client.gps.core
Class GPSConnection

java.lang.Object
  triptracker.client.gps.core.GPSConnection

public class GPSConnection
extends Object

Field Summary

static int	BAUDRATE
protected Set<GPSListener>	listeners Listener set for Model View Controller (MVC) separation.
static int	TIMEOUT

Constructor Summary

GPSConnection()

Method Summary

void	addListener(GPSListener listener) Register a listener for server events.
protected void	brokenListener(GPSListener listener, RuntimeException exception) Reports a broken listener, removes it from the listener queue and logs the error.
void	closePort() Closes the current COM port
protected void	connectedEvent(boolean connected) Publish a connected event.
boolean	currCoordSet()
Coordinate	getCurrentCoordinate()
String	getPortOwner()
List<String>	getPorts() Returns a list of available serial ports.
boolean	hasSignal() Checks wheter the GPS has connection to the satellites
boolean	isConnected() Checks if connected to the COM port
boolean	isValidSignal() Checks if the signal is valid
void	open(String port) Connects to the GPS-unit at the given port
void	openFile() Opens the given file
protected void	readExcepion(IOException ioe) Read exception has occured.
void	removeListener(GPSListener listener) Remove listener from listener queue.
void	startRecieve() Start recieve from the GPS-unit
void	stopRecieve() Stop/pause recieve from the GPS-unit

Methods inherited from class java.lang.Object

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

Field Detail

listeners

protected Set<GPSListener> listeners

Listener set for Model View Controller (MVC) separation.

BAUDRATE

public static final int BAUDRATE

See Also:

Constant Field Values

TIMEOUT

public static final int TIMEOUT

See Also:

Constant Field Values

Constructor Detail

GPSConnection

public GPSConnection()

Method Detail

open

public void open(String port)
          throws gnu.io.PortInUseException,
                 TooManyListenersException,
                 gnu.io.UnsupportedCommOperationException,
                 IOException,
                 IllegalArgumentException

Connects to the GPS-unit at the given port

Parameters:

port - Port to connect

Throws:

gnu.io.PortInUseException

TooManyListenersException

gnu.io.UnsupportedCommOperationException

IOException

IllegalArgumentException

getCurrentCoordinate

public Coordinate getCurrentCoordinate()

hasSignal

public boolean hasSignal()

Checks wheter the GPS has connection to the satellites

Returns:

true if fixed position has been obtained, false if no fixed position is available

getPorts

public List<String> getPorts()

Returns a list of available serial ports.

Returns:

list of available serial ports

isConnected

public boolean isConnected()

Checks if connected to the COM port

Returns:

true if connected to the com port, else false

brokenListener

protected void brokenListener(GPSListener listener,
                              RuntimeException exception)

Reports a broken listener, removes it from the listener queue and logs the error.

Parameters:

listener - broken listener

exception - exception thrown by listener

connectedEvent

protected void connectedEvent(boolean connected)

Publish a connected event.

Parameters:

connected - true if connected, false if disconnected

addListener

public void addListener(GPSListener listener)

Register a listener for server events.

Parameters:

listener - event receiver to register

removeListener

public void removeListener(GPSListener listener)

Remove listener from listener queue.

Parameters:

listener - event receiver to remove

closePort

public void closePort()

Closes the current COM port

getPortOwner

public String getPortOwner()

Returns:

the ports owner

currCoordSet

public boolean currCoordSet()

startRecieve

public void startRecieve()

Start recieve from the GPS-unit

stopRecieve

public void stopRecieve()

Stop/pause recieve from the GPS-unit

isValidSignal

public boolean isValidSignal()

Checks if the signal is valid

Returns:

true if valid signal

openFile

public void openFile()
              throws FileNotFoundException

Opens the given file

Throws:

FileNotFoundException

readExcepion

protected void readExcepion(IOException ioe)

Read exception has occured.