Application: gvSIG desktop

Wed Mar  1 12:01:05 MST 2006

rxtxSerial.dll had to be recomopiled to link in missing native methods.

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

/* CVS MESSAGES:

*

* $Id$

* $Log$

* Revision 1.14  2007-09-19 16:01:40  jaume

* removed unnecessary imports

*

* Revision 1.13  2006/09/14 07:06:00  jaume

* *** empty log message ***

*

* Revision 1.12  2006/04/20 17:13:35  jaume

* *** empty log message ***

*

* Revision 1.11  2006/04/12 10:03:32  jaume

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*

* Revision 1.10  2006/04/11 20:01:18  jaume

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*

* Revision 1.9  2006/04/11 13:25:54  jaume

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*

* Revision 1.8  2006/04/11 13:19:51  jaume

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*

* Revision 1.7  2006/04/10 11:21:52  jaume

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*

* Revision 1.6  2006/04/07 12:45:55  jaume

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*

* Revision 1.5  2006/04/07 11:10:26  jaume

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*

* Revision 1.4  2006/04/07 08:27:48  jaume

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*

* Revision 1.3  2006/04/06 10:34:46  jaume

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*

* Revision 1.1  2006/04/05 17:08:18  jaume

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*

* Revision 1.2  2006/04/03 21:07:35  jaume

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*

* Revision 1.1  2006/04/03 16:10:27  jaume

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* Revision 1.1  2006/03/31 09:55:34  jaume

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*

*

*/

package org.gvsig.gps;

import gnu.io.CommPortIdentifier;

import gnu.io.PortInUseException;

import gnu.io.SerialPort;

import gnu.io.UnsupportedCommOperationException;

import java.awt.geom.Point2D;

import java.io.BufferedWriter;

import java.io.File;

import java.io.FileWriter;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import java.util.ArrayList;

import java.util.Enumeration;

import java.util.Hashtable;

import java.util.Iterator;

import org.gvsig.gps.exceptions.GPSReceiverException;

import org.gvsig.gps.listeners.GPSEventListener;

import org.gvsig.gps.parser.NMEA.GGASentence;

import org.gvsig.gps.parser.NMEA.GSASentence;

import org.gvsig.gps.parser.NMEA.IllegalSentenceException;

import org.gvsig.gps.parser.NMEA.NMEASentence;

import org.gvsig.gps.parser.NMEA.NMEASentenceFactory;

import org.gvsig.gps.parser.NMEA.RMCSentence;

import org.gvsig.gps.parser.NMEA.VTGSentence;

/**

 * <p>

 * Singleton class that handles the communication within the application and the

 * GPS receiver. It opens the port set with the setPort() method and establishes

 * the comunication via NMEA protocol.<br>

 * </p>

 * @author jaume dominguez faus - jaume.dominguez@iver.es

 *

 */

public class GPSDriver extends Thread {

	private boolean connected = false;

	private ArrayList eventListeners = new ArrayList();

	// The timeOut field specifies how long a value received from the device

	// is valid. After this time, no more events of the corresponding class

	// will be fired.

	private static final long timeOut = 60 * 1000; // 60 seconds.

	private SerialPort serialPort = null;

	private InputStream inputStream;

	private OutputStream outputStream;

	private Hashtable register	= new Hashtable();

	private int rate = 1000;

	private long lastSampleTime;

	private boolean eventsEnabled;

	private static double lonOffset = 0D;

	private static double latOffset = 0D;

	private Point2D currentPos;

	private static GPSDriver instance = null;

	private static String fileName = "c:/gps points.txt";

	static BufferedWriter bw ;

	/**

	 * Public instantiation of the driver is forbidden.

	 */

	private GPSDriver() {};

	/**

	 * <p>

	 * This is a singleton object. Use this method to get the only one instance allowed.<br>

	 * </p>

	 * <p>

	 * The use of the GPSDriver is very simple. Just set the port and the communciation

	 * attributes through the setPort(...) method. Register a new listener into the driver

	 * using the addEventListener(GPSEventListener) method. Then call start, stop as far

	 * as it is a thread and your listeners will be notified about any event received

	 * from the device.

	 * </p>

	 * @return

	 */

	public static GPSDriver getInstance() {

		if (instance == null)

			instance = new GPSDriver();

		if (bw == null)

			try {

				bw = new BufferedWriter(new FileWriter(new File(fileName)));

			} catch (IOException e) {

				e.printStackTrace();

			}

		return instance;

	}

	/**

	 * Sets the port and its attributes used to comunicate to the receiver.

	 * @param CommPortIdentifier portID, the port identifier

	 * @param int portSpeed, the port speed expressed in bauds

	 * @param int dataBits, value for the communication's data bits

	 * 		(one of SerialPort.DATABITS_5, SerialPort.DATABITS_6,

	 * 				SerialPort.DATABITS_7, or SerialPort.DATABITS_8)

	 * @param int stopBits, value for the communication's stop bits

	 * 		(one of SerialPort.STOPBITS_1, SerialPort.STOPBITS_1_5, or SerialPort.STOPBITS_2)

	 * @param int parity, value for the communication's parity

	 * 		(one of SerialPort.PARITY_EVEN, SerialPort.PARITY_MARK,

	 * 				SerialPort.PARITY_NONE, SerialPort.PARITY_ODD, or

	 *  			SerialPort.PARITY_SPACE).

	 * @throws PortInUseException

	 */

	public void setPort(CommPortIdentifier portID, int portSpeed, int dataBits, int stopBits, int parity) throws PortInUseException{

		close();

		getInstance().serialPort = (SerialPort) portID.open("gvSIG", portSpeed);

		try {

			getInstance().inputStream = getInstance().serialPort.getInputStream();

			getInstance().outputStream = getInstance().serialPort.getOutputStream();

			getInstance().serialPort.setSerialPortParams(

								portSpeed,

								dataBits,

								stopBits,

								parity

						);

		} catch (UnsupportedCommOperationException e) {

			e.printStackTrace();

		} catch (IOException e) {

			e.printStackTrace();

		}

	}

	/**

	 * Tells the driver to start monitoring and capturing data from the device.

	 */

	public void connect() {

		getInstance().eventsEnabled = true;

		if (!getInstance().isAlive()) {

			System.out.println("start");

			getInstance().start();

		}

	}

	public void run() {

		byte[] readBuffer = new byte[2048];

		StringBuffer line = new StringBuffer();

		try {

			for (int bytes = getInstance().inputStream.read(readBuffer); bytes>-1; bytes = getInstance().inputStream.read(readBuffer)){

				// Notify the listeners that the GPS is connected.

				Iterator it = eventListeners.iterator();

				while (!getInstance().connected && getInstance().eventsEnabled && it.hasNext()) {

					GPSEventListener l = (GPSEventListener) it.next();

					l.connectionEstablished();

				}

				getInstance().connected = true;

				// Creates a new buffer to contain the previous readed bytes and the next bunch of bytes

				String str = new String(readBuffer).substring(0, bytes);

				int i = str.indexOf("\n");

				if (i == -1) {

					line.append(str);

				} else {

					line.append(str.substring(0,i));

					analyzeMessage(line.toString());

					line = new StringBuffer();

					line.append(str.substring(i+1,str.length()));

				}

			}

			System.err.println("Sending request");

			getInstance().outputStream.write(new String("$PMCAG,005,1,GGA,001").getBytes());

			for (int bytes = getInstance().inputStream.read(readBuffer); bytes>-1; bytes = getInstance().inputStream.read(readBuffer)){

				// Creates a new buffer to contain the previous readed bytes and the next bunch of bytes

				String str = new String(readBuffer).substring(0, bytes);

				int i = str.indexOf("\n");

				if (i == -1) {

					line.append(str);

				} else {

					line.append(str.substring(0,i));

					analyzeMessage(line.toString());

					line = new StringBuffer();

					line.append(str.substring(i+1,str.length()));

				}

				break;

			}

		getInstance().inputStream = null;

		getInstance().outputStream = null;

		} catch (IOException e) {

			e.printStackTrace();

		} catch (NullPointerException e) {

		}

		// Connection lost, will notify the listeners

		getInstance().connected = false;

		Iterator it = getInstance().eventListeners.iterator();

		while (getInstance().eventsEnabled && it.hasNext()) {

			GPSEventListener l = (GPSEventListener) it.next();

			l.connectionLost();

		}

	}

	/**

	 * Parses the specific NMEA message.

	 * @param line

	 */

	private void analyzeMessage(String line) {

		try {

			System.out.println("Analizing: "+line);

			NMEASentence data = NMEASentenceFactory.createFromString(line);

			NMEASentence oldData = (NMEASentence) getInstance().register.get(data.getName());

			boolean mustNotifyListeners = !data.isEquivalentTo(oldData);

			getInstance().register.put(data.getName(), data);

			//if (mustNotifyListeners)

				fireEvents();

		} catch (IllegalSentenceException e) {

		}

	}

	public static void sleep(long millis) {

		getInstance().sleep(millis);

	}

	public static void sleep(long millis, long nanos) {

		getInstance().sleep(millis, nanos);

	}

	/**

	 * Sets the minimum interval between events in milliseconds.

	 * @param millis

	 */

	public void setSampleRate(int millis) {

		getInstance().rate = millis;

	}

	/**

	 * Registers a new listener that will be notified about any event occured from

	 * the gps receiver.

	 * @param GPSEventListener l

	 */

	public void addEventListener(GPSEventListener l) {

		getInstance().eventListeners.add(l);

	}

	/**

	 * Iterates over the message registry and notifies the listeners

	 */

	private void fireEvents() {

		Iterator it = getInstance().eventListeners.iterator();

		while (getInstance().eventsEnabled && it.hasNext()) {

			GPSEventListener l = (GPSEventListener) it.next();

			if (System.currentTimeMillis() - getInstance().lastSampleTime  >= getInstance().rate ) {

				Iterator i = getInstance().register.keySet().iterator();

				while (i.hasNext()) {

					NMEASentence aux = (NMEASentence) getInstance().register.get(i.next());

					if (isCurrent(aux)) {

						// This is a valid record

						if (aux instanceof GGASentence) {

							GGASentence s = (GGASentence) aux;

							{

								try {

									bw.write(s.getLongitude() + "," + s.getLatitude()+"\n");

									bw.flush();

								} catch (IOException e) {

									// TODO Auto-generated catch block

									e.printStackTrace();

								}

							}

							getInstance().fireLonLatPositionReceived(l, s.getLongitude(), s.getLatitude());

							l.precisionChanged(-1, s.getHDOP(), -1);

							l.signalQualityChanged(0, s.getSatelliteCount(), s.getQualityStatus());

							l.altitudeChanged(s.getAltitude());

						} else if (aux instanceof GSASentence) {

							GSASentence s = (GSASentence) aux;

							float[] dissolutions = s.getPrecisionDisolutions();

							l.precisionChanged(dissolutions[0], dissolutions[1], dissolutions[2]);

							s.getUsedSatellites();

						} else if (aux instanceof RMCSentence) {

							l.unhandledMessage(aux.toString());

						} else if (aux instanceof VTGSentence) {

							VTGSentence s = (VTGSentence) aux;

							l.speedChanged(s.getSpeed(), s.getCourse());

						} else {

							l.unhandledMessage(aux.toString());

						}

					} else {

						// This record is too old.

						getInstance().register.remove(aux);

					}

				}

				getInstance().lastSampleTime = System.currentTimeMillis();

			}

		}

	}

	/**

	 * Saves the position that is going to be delivered and notifies to the

	 * listener passed in the first agument that a new position has been received.

	 * This is a convenience method and should not be called outside the fireEvents

	 * method.

	 * @param listener

	 * @param longitude

	 * @param latitude

	 */

	private void fireLonLatPositionReceived(GPSEventListener listener, double longitude, double latitude) {

		getInstance().currentPos = new Point2D.Double(longitude, latitude);

		listener.newLonLatPositionReceived(longitude - lonOffset, latitude - latOffset);

	}

	/**

	 * Tells if the sentence is considered as up-to-date.

	 * @param NMEASentence

	 * @return boolean

	 */

	private boolean isCurrent(NMEASentence n) {

		return System.currentTimeMillis() - n.getTime() < timeOut;

	}

	/**

	 * Silences the event firing. To resume the event firing just call <b>start()</b> method.

	 */

	public void silence() {

		getInstance().eventsEnabled = false;

	}

	/**

	 * Closes the connection and frees any resource that the driver could be using.

	 */

	public void close() {

		stop();

		if (getInstance().serialPort != null) {

			getInstance().serialPort.notifyOnDataAvailable(false);

			getInstance().serialPort.removeEventListener();

			if (getInstance().inputStream != null) {

				try {

					getInstance().inputStream.close();

				}

				catch (IOException e) {}

			}

			if (getInstance().outputStream != null) {

				try {

					getInstance().outputStream.close();

					getInstance().outputStream = null;

				}

				catch (IOException e) {}

			}

			getInstance().serialPort.close();

			getInstance().serialPort = null;

		}

		getInstance().connected = false;

		Iterator it = getInstance().eventListeners.iterator();

		while (getInstance().eventsEnabled && it.hasNext()) {

			GPSEventListener l = (GPSEventListener) it.next();

			l.connectionLost();

		}

		instance = null;

	}

	/**

	 * Sets the offset of the GPS receiver. By default it is 0, but sometimes it

	 * is useful to calibrate it.

	 *

	 * @param lonOffset

	 * @param latOffset

	 * @throws GPSReceiverException

	 */

	public void setPosOffset(double lonOffset, double latOffset) {

		GPSDriver.lonOffset = lonOffset;

		GPSDriver.latOffset = latOffset;

	}

	/**

	 * The very last position that the driver has delivered to the listeners.

	 * @return point2D

	 */

	public Point2D getCurrentPosition() {

		return currentPos;

	}

	/**

	 * Returns the current sample rate set.

	 * @return

	 */

	public int getSampleRate() {

		return rate;

	}

	public static void main(String[] args) {

		if (args.length < 4) {

			System.out.print("GPSReader port portSpeed\n");

			System.exit(-1);

		}

		Enumeration portList = CommPortIdentifier.getPortIdentifiers();

		while (portList.hasMoreElements()) {

			CommPortIdentifier myPortId = (CommPortIdentifier) portList.nextElement();

			if (myPortId.getPortType() == CommPortIdentifier.PORT_SERIAL) {

				if (myPortId.getName().equals(args[0])) {

					try {

						GPSDriver driver = GPSDriver.getInstance();

						driver.setPort(myPortId, Integer.parseInt(args[1]), SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);

						driver.setSampleRate(100);

						driver.addEventListener(new GPSEventListener() {

							public void unhandledMessage(String msg) {

								System.out.println("UNHANDLED: "+msg);

							}

							public void connectionLost() {

								System.out.println("CONNECTION LOST");

							}

							public void connectionEstablished() {

								System.out.println("CONNECTION ESTABLISHED");

							}

							public void newLonLatPositionReceived(double lon, double lat) {

								System.out.println("NEW LONLAT POSITION RECEIVED: ("+lon+", "+lat+")");

							}

							public void signalQualityChanged(float level, int satellites, String qualityStatus) {

								System.out.println("NEW SIGNAL LEVEL: "+level+" ("+satellites+" satellites in view)");

							}

							public void speedChanged(float speed, short course) {

								System.out.println("SPEED/COURSE CHANGED: ( "+speed+" Km/h, "+course+" degrees)");

							}

							public void estimatedPosErrorChanged(double e) {

								System.out.println("ESTIMATED POSITION ERROR CHANGED: "+e);

							}

							public void altitudeChanged(float height) {

								System.out.println("HEIGHT CHANGED: "+height);

							}

							public void precisionChanged(float pDop, float hDop, float vDop) {

								System.out.println("PRECISION CHANGED: "+pDop+", "+hDop+", "+vDop+")");

							}

						});

						driver.connect();

					} catch (PortInUseException e) {

						System.err.println("Port busy");

					}

				}

			}

		}

	}

}

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

/* CVS MESSAGES:

*

* $Id$

* $Log$

* Revision 1.21  2007-05-17 09:43:04  jaume

* *** empty log message ***

*

* Revision 1.20  2007/01/10 17:05:23  jaume

* *** empty log message ***

*

* Revision 1.19  2006/10/18 07:56:51  jaume

* *** empty log message ***

*

* Revision 1.18  2006/10/02 06:34:51  jaume

* refactoring gvSIG documents

*

* Revision 1.17  2006/09/29 14:12:51  luisw2

* CRSFactory.getCRS substitutes ProjectionPool.get

*

* Revision 1.16  2006/09/20 13:21:14  jaume

* *** empty log message ***

*

* Revision 1.15  2006/09/18 08:02:46  jaume

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*

* Revision 1.14  2006/09/14 07:06:00  jaume

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*

* Revision 1.13  2006/08/29 11:52:17  jaume

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*

* Revision 1.12  2006/08/29 07:45:35  jaume

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*

* Revision 1.11  2006/07/31 06:46:02  jaume

* *** empty log message ***

*

* Revision 1.9  2006/05/02 15:57:53  jorpiell

* Se ha cambiado la interfaz Extension por dos clases: una interfaz (IExtension) y una clase abstract(Extension). A partir de ahora todas las extensiones deben heredar de Extension

*

* Revision 1.8  2006/04/10 11:21:52  jaume

* *** empty log message ***

*

* Revision 1.7  2006/04/07 12:45:55  jaume

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*

* Revision 1.6  2006/04/07 11:10:26  jaume

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*

* Revision 1.5  2006/04/07 08:27:48  jaume

* *** empty log message ***

*

* Revision 1.4  2006/04/06 10:34:58  jaume

* *** empty log message ***

*

* Revision 1.3  2006/04/05 17:08:18  jaume

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*

* Revision 1.2  2006/04/05 16:02:09  jaume

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*

* Revision 1.1  2006/04/03 16:10:27  jaume

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*

* Revision 1.1  2006/03/31 09:55:34  jaume

* *** empty log message ***

*

*

*/

package org.gvsig.gps;

import java.awt.Color;

import java.awt.geom.Point2D;

import java.io.BufferedReader;

import java.io.File;

import java.io.FileReader;

import java.util.ArrayList;

import org.cresques.cts.ICoordTrans;

import org.cresques.cts.IProjection;

import org.gvsig.gps.panel.GPSControlPanel;

import com.iver.andami.PluginServices;

import com.iver.andami.plugins.Extension;

import com.iver.andami.ui.mdiManager.IWindow;

import com.iver.cit.gvsig.fmap.MapControl;

import com.iver.cit.gvsig.fmap.core.FPoint2D;

import com.iver.cit.gvsig.fmap.core.FShape;

import com.iver.cit.gvsig.fmap.core.ShapeFactory;

import com.iver.cit.gvsig.fmap.core.SymbologyFactory;

import com.iver.cit.gvsig.fmap.core.symbols.IMarkerSymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.v02.FSymbol;

import com.iver.cit.gvsig.fmap.crs.CRSFactory;

import com.iver.cit.gvsig.fmap.layers.GraphicLayer;

import com.iver.cit.gvsig.fmap.rendering.FGraphic;

import com.iver.cit.gvsig.project.documents.view.gui.View;

public class GPSExtension extends Extension{

	public void execute(String actionCommand) {

		if (actionCommand.equals("GPS_CONTROL_PANEL"))

			PluginServices.getMDIManager().addWindow(GPSControlPanel.getInstance());

		else if (actionCommand.equals("PAINT_POINTS")) {

			paintPointsFromFile(null, null, new File("c:/gps-capture"));

		}

	}

	public boolean isEnabled() {

		return true;

	}

	public boolean isVisible() {

		return true;

	}

	/**

	 * Takes an array of gvSIG views and draws an symbol in the specified location.

	 * If views[] is empty (vies.length == 0) then no drawing in applied.

	 * If views[] is null, then the symbol is drawn in every view in the project.

	 * If the symbol is null, then a simple point is used as symbol.

	 * @param views

	 * @param location

	 * @param symbol

	 * @param refreshing, tells if the view will be refreshed (old points will be removed)

	 */

	public void drawSymbol(View[] views, ISymbol symbol, Point2D location, boolean refreshing) {

		if (location == null || location.getX()==0 || location.getY()==0) return;

		if (views == null)

		{

			IWindow[] aViews = PluginServices.getMDIManager().getAllWindows();

			ArrayList gvViews = new ArrayList();

			for (int i = 0; i < aViews.length; i++) {

				if (aViews[i] instanceof View) {

					gvViews.add((View) aViews[i]);

				}

			}

			views = (View[]) gvViews.toArray(new View[0]);

		}

//		if (symbol == null) {

//			symbol = new FSymbol(FShape.CIRCLE, Color.ORANGE);

//			((FSymbol) symbol).setSizeInPixels(true);

//			((FSymbol) symbol).setSize(10);

//		}

		if (symbol == null) {

			symbol = SymbologyFactory.createDefaultSymbolByShapeType(FShape.POINT, Color.ORANGE);

			((IMarkerSymbol) symbol).setSize(10);

		}

		for (int i = 0; i < views.length; i++) {

			MapControl mc = views[i].getMapControl();

			GraphicLayer graph = mc.getMapContext().getGraphicsLayer();

			if (refreshing) {

				// Remove old graphics

				graph.clearAllGraphics();

				graph.clearSymbolsGraphics();

				mc.drawGraphics();

			}

			// Obtain the current view's projection

			IProjection reqProj = mc.getProjection();

			// the geodesic projection

			IProjection latLonProj = CRSFactory.getCRS("EPSG:4326");

			// create a translator from geodesic to the current view's projection

			ICoordTrans ct = latLonProj.getCT(reqProj);

			Point2D pDst = new Point2D.Double();

			// reproject the point

			pDst = ct.convert(location, pDst);

			// add and draw the FSymbol to the reprojected location.

			graph.addSymbol(symbol);

			graph.addGraphic(new FGraphic(ShapeFactory.createPoint2D(new FPoint2D(pDst)), 0));

			mc.drawGraphics();

		}

	}

	private void paintPointsFromFile(View[] views, FSymbol symbol, File f){

		try {

			BufferedReader br = new BufferedReader(new FileReader(f));

			String line;

			for (line = br.readLine(); line!=null; line = br.readLine()){

				String[] numbers = line.split(",");

				double lon = Double.parseDouble(numbers[0]);

				double lat = Double.parseDouble(numbers[1]);

				drawSymbol(views, symbol, new Point2D.Double(lon, lat), false);

			}

		} catch (Exception e) {

			e.printStackTrace();

		}

	}

	public void initialize() {

	}

}

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

/* CVS MESSAGES:

*

* $Id$

* $Log$

* Revision 1.3  2006-04-10 11:21:52  jaume

* *** empty log message ***

*

* Revision 1.2  2006/04/06 10:35:07  jaume

* *** empty log message ***

*

* Revision 1.1  2006/04/03 16:10:27  jaume

* *** empty log message ***

*

* Revision 1.1  2006/03/31 09:55:34  jaume

* *** empty log message ***

*

*

*/

package org.gvsig.gps.listeners;

/**

 * Inteface defining all the events received from the GPSDriver.

 * 

 * @author jaume dominguez faus - jaume.dominguez@iver.es

 */

public interface GPSEventListener {

	/**

	 * Invoked when a message that has not been analyzed (in purpose or because

	 * the analyzer could not make it)

	 * @param msg, a string containing the NMEA message.

	 */

	public void unhandledMessage(String msg);

	/**

	 * Invoked when the value for the position in longitude and latitude.

	 * @param longitude in degrees (decimal fractions).

	 * @param latitude in degrees (decimal fractions).

	 */

	public void newLonLatPositionReceived(double lon, double lat);

	/**

	 * Invoked when the connection was lost.

	 */

	public void connectionLost();

	/**

	 * Invoked when a connection was established.

	 */

	public void connectionEstablished();

	/**

	 * Invoked when the signal strenght has changed.

	 * @param level

	 * @param qualityStatus TODO

	 * @param satellites, the amount of satellites currently in view

	 */

	public void signalQualityChanged(float level, int satellites, String qualityStatus);

	/**

	 * Invoked when the speed and/or the course have changed.

	 * @param speed, in km/h

	 * @param course, from 0 to 359

	 */

	public void speedChanged(float speed, short course);

	/**

	 * Invoked when the estimated error has changed.

	 * @param e, TODO: what exactly it is?

	 */

	public void estimatedPosErrorChanged(double e);

	/**

	 * Invoked when the value for the height (z) changes

	 * @param height, in meters.

	 */

	public void altitudeChanged(float height);

	/**

	 * Invoked when the any of the values of the position, horizontal,

	 * or vertical precision have changed

	 * @param pDop, position precision.

	 * @param hDop, horizontal precision.

	 * @param vDop, vertical precision.

	 */

	public void precisionChanged(float pDop, float hDop, float vDop);

}

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

/* CVS MESSAGES:

*

* $Id$

* $Log$

* Revision 1.1  2006-04-03 16:10:27  jaume

* *** empty log message ***

*

* Revision 1.1  2006/03/31 09:55:34  jaume

* *** empty log message ***

*

*

*/

package org.gvsig.gps.parser.NMEA;

public class IllegalSentenceException extends Exception {

	public IllegalSentenceException() {

		super();

	}

	public IllegalSentenceException(String msg) {

		super(msg);

	}

}

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

/* CVS MESSAGES:

*

* $Id$

* $Log$

* Revision 1.2  2006-04-03 21:07:35  jaume

* *** empty log message ***

*

* Revision 1.1  2006/04/03 16:10:27  jaume

* *** empty log message ***

*

* Revision 1.1  2006/03/31 09:55:34  jaume

* *** empty log message ***

*

*

*/

package org.gvsig.gps.parser.NMEA;

/**

 * Builds NMEASentence instances.

 * 

 * @author jaume dominguez faus - jaume.dominguez@iver.es

 *

 */

public class NMEASentenceFactory {

	/**

	 * Given a NMEA sentence it returns an instance of the corresponding

	 * object wrapped into an NMEASentence class.

	 * @param s, the NMEA sentence

	 * @return an instance of the object that handles such sentence

	 * @throws IllegalSentenceException, if the sentence is not supported yet.

	 */

	public static NMEASentence createFromString(String s) throws IllegalSentenceException {

		NMEASentence st = null;

		try {

			String stName = s.substring(3,6);

			Class c = Class.forName("org.gvsig.gps.parser.NMEA."+stName+"Sentence");

			st = (NMEASentence) c.newInstance();

			st.setData(s);

			st.setTime(System.currentTimeMillis());

		} catch (StringIndexOutOfBoundsException e) {

			throw new IllegalSentenceException();

		} catch (ClassNotFoundException e) {

			throw new IllegalSentenceException();

		} catch (NumberFormatException e) {

			throw new IllegalSentenceException();

		} catch (InstantiationException e) {

			e.printStackTrace();

		} catch (IllegalAccessException e) {

			e.printStackTrace();

		}

		return st;

	}

}

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

/* CVS MESSAGES:

*

* $Id$

* $Log$

* Revision 1.2  2006-04-10 11:21:52  jaume

* *** empty log message ***

*

* Revision 1.1  2006/04/05 16:02:09  jaume

* *** empty log message ***

*

*

*/

package org.gvsig.gps.parser.NMEA;

/**

 * <p>

  * The GSA message contains GPS DOP and active satellite information.

 * Only satellites used in the position computation are output.

 * Null fields are present when data is unavailable due to the number

 * of satellites tracked.<br>

 * </p>

 * <p>

 * $GPGSA,a,b,cc,dd,ee,ff,gg,hh,ii,jj,kk,mm,nn,oo,p.p,q.q,r.r

 * </p>

 * <p>

 *  <ol>

 *   <li><b>a</b>, Satellite acquisition mode M = manually forced to 2D or 3D, A = automatic swap between 2D and 3D

 *   <li><b>b</b>, Position mode, 1 = fix not available, 2 = 2D fix, 3 = 3D fix

 *   <li><b>cc</b>, to oo Satellites used in the position solution, a null field occurs if a channel is unused

 *   <li><b>p.p</b>, Position Dilution of Precision (PDOP) = 1.0 to 9.9

 *   <li><b>q.q</b>, Horizontal Dilution of Precision (HDOP) = 1.0 to 9.9

 *   <li><b>r.r</b>, Vertical Dilution of Precision (VDOP) = 1.0 to 9.9

 * </ol>

 * </p>

 * @author jaume dominguez faus - jaume.dominguez@iver.es

 */

public class GSASentence extends NMEASentence {

	private char adquisitionMode;

	private byte positionMode;

	private float pdop, hdop, vdop;

	private String[] satellites = new String[12];

	public void parse() throws IllegalSentenceException {

		final short FIELD_SATELLITE_ADQUISITION_MODE = 1;

		final short FIELD_POSITION_MODE = 2;

		final short FIELD_POSITION_DILUTION = (short) (getFieldCount()-2);

		final short FIELD_HORIZONTAL_DILUTION = (short) (getFieldCount()-1);

		final short FIELD_VERTICAL_DILUTION = (short) getFieldCount();

		try {

			for (int i = 0; i < getFieldCount(); i++) {

				String val = getFieldValue(i);

				if (i == FIELD_SATELLITE_ADQUISITION_MODE) {

					adquisitionMode = val.toUpperCase().charAt(0);

				} else if (i == FIELD_POSITION_MODE) {

					positionMode = Byte.parseByte(val);

				} else if (i == FIELD_POSITION_DILUTION) {

					pdop = Float.parseFloat(val);

				} else if (i == FIELD_HORIZONTAL_DILUTION) {

					hdop = Float.parseFloat(val);

				} else if (i == FIELD_VERTICAL_DILUTION) {

					vdop = Float.parseFloat(val);

				} else {

					int satId = i - 3;

					satellites[satId] = val;

				}

			}

		} catch (ArrayIndexOutOfBoundsException e) {

			throw new IllegalSentenceException();

		}

	}

	/**

	 * Don't know what to write here. Just the name of the method?

	 * @return String: one of "FIX_NOT_AVAILABLE",

	 * 						  "2D_FIX",

	 *                        "3D_FIX",

	 *                         or null (if no value available)

	 */

	public String getPositionMode() {

		switch (positionMode) {

		case 1:

			return "FIX_NOT_AVAILABLE";

		case 2:

			return "2D_FIX";

		case 3:

			return "3D_FIX";

		default:

			return null;

		}

	}

	/**

	 * returns the satellites used in the position solution, a null field occurs if a channel is unused

	 * @return String[]

	 */

	public String[] getUsedSatellites() {

		return satellites;

	}

	/**

	 * Returns the value for the three disolutions of precision

	 * @return float[] where: <p>

	 * float[0] = position disolution <br>

	 * float[1] = horizontal disolution <br>

	 * float[2] = vertical disolution.

	 * </p>

	 */

	public float[] getPrecisionDisolutions(){

		return new float[] { pdop, hdop, vdop };

	}

	public boolean isEquivalentTo(NMEASentence otherSentence) {

		if (otherSentence instanceof GSASentence) {

			GSASentence other = (GSASentence) otherSentence;

			if ( (adquisitionMode == other.adquisitionMode)

					&& (hdop == other.hdop)

					&& (pdop == other.pdop)

					&& (vdop == other.vdop)

					&& (positionMode == other.positionMode) ) {

				for (int i = 0; i < satellites.length; i++) {

					if (!satellites[i].equals(other.satellites[i]))

						return false;

				}

			}

			return true;

		}

		return false;

	}

}

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

/* CVS MESSAGES:

*

* $Id$

* $Log$

* Revision 1.3  2006-04-10 11:21:52  jaume

* *** empty log message ***

*

* Revision 1.2  2006/04/06 10:35:59  jaume

* *** empty log message ***

*

* Revision 1.1  2006/04/03 16:10:27  jaume

* *** empty log message ***

*

* Revision 1.1  2006/03/31 09:55:34  jaume

* *** empty log message ***

*

*