placelabfusion.java

一个基于PlaceLab的室内和室外的智能导航系统

/*
 * Created on Nov 8, 2004
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package org.placelab.client;

import java.util.Vector;

import org.placelab.client.tracker.BeaconAndGPSParticleFilterTracker;
import org.placelab.client.tracker.BeaconTracker;
import org.placelab.core.PlacelabProperties;
import org.placelab.mapper.CompoundMapper;
import org.placelab.mapper.Mapper;
import org.placelab.spotter.BluetoothSpotter;
import org.placelab.spotter.ListenerBluetoothGPSSpotter;
import org.placelab.spotter.NMEAGPSSpotter;
import org.placelab.spotter.RemoteGSMSpotter;
import org.placelab.spotter.SerialGPSSpotter;
import org.placelab.spotter.WiFiSpotter;

/** Spec for PlacelabFusion
 * 
 * @author jhightower
 */
public class PlacelabFusion extends Placelab {

    /**
     * 
     */
   	public PlacelabFusion(Mapper _mapper, BeaconTracker _tracker) {
        spotterList = new Vector();
        BluetoothSpotter bluetooth = new BluetoothSpotter();
        WiFiSpotter wifi = new WiFiSpotter();
    	RemoteGSMSpotter gsm = null;
    	NMEAGPSSpotter gps = null;
    	
    	// check which spotters to use
	    String btgsm = PlacelabProperties.get("placelab.cellphone");
	    if (btgsm.length() > 0) {
	    	gsm = new RemoteGSMSpotter(btgsm, false);
	    }
	    String gpsString = PlacelabProperties.get("placelab.gps_device");
        if(gpsString.equalsIgnoreCase("bluetooth")) {
		    gps = new ListenerBluetoothGPSSpotter(bluetooth);
	    } else if(gpsString.length() > 0) {
	        gps = new SerialGPSSpotter();
	    }

	    // construct the spotter list
        System.out.println("Adding WiFi spotter...");
        spotterList.addElement(wifi);
        if (gsm != null) {
            System.out.println("Adding remote GSM spotter at "+btgsm+"...");
            spotterList.addElement(gsm);
        }
        if (gps != null) {
            System.out.println("Adding "+gpsString+" GPS spotter...");
            spotterList.addElement(gps);
        }

        mapper = _mapper;
        tracker = _tracker;
    }
    
	public static void main(String[] args) {
    	Mapper mapper = CompoundMapper.createDefaultMapper(true,true);
	    PlacelabFusion fusionDaemon = new PlacelabFusion(mapper, new BeaconAndGPSParticleFilterTracker(mapper));
	    try {
	        fusionDaemon.start();
	    } catch (PlacelabException pe) {
	        System.err.println(pe);
	    }
	}
}