/* * Copyright (c) 2007 by the University of Applied Sciences Northwestern Switzerland (FHNW) *  * This program can be redistributed or modified under the terms of the * GNU General Public License as published by the Free Software Foundation. * This program is distributed without any warranty or implied warranty * of merchantability or fitness for a particular purpose. * * See the GNU General Public License for more details. */package ch.fhnw.imvs.gpssimulator.data;import java.util.Vector;public final class GPSData {		public enum Status { A, V };	public enum Orientation { EAST, WEST, NORTH, SOUTH;		@Override		public String toString(){return this.name().substring(0,1) + this.name().substring(1).toLowerCase();}	};		public enum Mode {		AUTONOMOUS, DIFFERENTIAL, ESTIMATED, NOT_VALID, SIMULATOR	}	private static Status status;	private static double latitude;	private static double longitude;	private static Orientation ns;	private static Orientation ew;	private static double speed;	private static double altitude;	private static int course;	private static int satellites;	private static int quality;	private static double pdop;	private static double hdop;	private static double vdop;	private static Mode mode;		// set default values	static {		status = GPSData.Status.A;		latitude = 47.48135;		longitude = 8.20797;		ns = Orientation.NORTH;		ew = Orientation.EAST;		speed = 3;		altitude = 315;		course = 314;		satellites = 5;		quality = 1;		hdop = 2;		vdop = 2;		pdop = 2.8;		mode = Mode.SIMULATOR;	}	private static Vector<GPSDataListener> listeners = new Vector<GPSDataListener>();	private static boolean running = false;		public static void addChangeListener(GPSDataListener listener) {		listeners.add(listener);	}		public static void start(){		if(!running){			running = true;			notifyChange();		}	}			private static void notifyChange(){		if(running)			for(GPSDataListener l : listeners){				l.valueChanged();			}	}	private  GPSData(){}		public static Status getStatus() { return status; }	public static void setStatus(Status status) {		if(GPSData.status != status){GPSData.status = status; notifyChange();}	}	public synchronized static double getLatitude() { return latitude; }	public synchronized static void setLatitude(double latitude) {		if(GPSData.latitude != latitude){ GPSData.latitude = latitude; notifyChange(); }	}	public synchronized static double getLongitude() { return longitude; }	public synchronized static void setLongitude(double longitude) {		if(GPSData.longitude != longitude){GPSData.longitude = longitude; notifyChange();}	}		public static Orientation getEW() { return ew;	}	public static void setEW(Orientation ew) {		if(ew == Orientation.NORTH || ew == Orientation.SOUTH) throw new IllegalArgumentException();		if(GPSData.ew != ew){ GPSData.ew = ew; notifyChange(); }	}	public static Orientation getNS() { return ns;	}	public static void setNS(Orientation ns) {		if(ns == Orientation.EAST || ns == Orientation.WEST) throw new IllegalArgumentException();		if(GPSData.ns != ns){ GPSData.ns = ns; notifyChange(); }	}		public synchronized static double getSpeed() { return speed; }	public synchronized static void setSpeed(double speed) {		if(GPSData.speed != speed){ GPSData.speed = speed; notifyChange(); }	}		public synchronized static double getAltitude() { return altitude; }	public synchronized static void setAltitude(double altitude) {		if(GPSData.altitude != altitude){ GPSData.altitude = altitude; notifyChange(); }	}	public static int getCourse() {	return course; }	public static void setCourse(int course) {		if(GPSData.course != course){ GPSData.course = course; notifyChange(); }	}		public static int getSatellites() { return satellites; }	public static void setSatellites(int satellites) {		if(GPSData.satellites != satellites){ GPSData.satellites = satellites; notifyChange(); }	}		public static int getQuality() { return quality; }	public static void setQuality(int quality) {		if(GPSData.quality != quality){GPSData.quality = quality; notifyChange();}	}	public synchronized static double getPDOP() { return pdop; }	public synchronized static void setPDOP(double pdop) {		if(GPSData.pdop != pdop) { GPSData.pdop = pdop; notifyChange(); }	}		public synchronized static double getHDOP() { return hdop; }		public synchronized static void setHDOP(double hdop) {		if(GPSData.hdop != hdop){GPSData.hdop = hdop; notifyChange();}	}	public synchronized static double getVDOP() { return vdop; }	public synchronized static void setVDOP(double vdop) {		if(GPSData.vdop != vdop){GPSData.vdop = vdop; notifyChange();}	}	public synchronized static Mode getMode() { return mode; }	public synchronized static void setMode(Mode mode) {		if(GPSData.mode != mode){GPSData.mode = mode; notifyChange();}	}}