GPSSensor.java

/**
 *  C-Nery - A home automation web application for C-Bus.
 *  Copyright (C) 2008,2009,2012  Dave Oxley <dave@daveoxley.co.uk>.
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as
 *  published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

package com.daveoxley.cnery.webservice;

import com.daveoxley.cbus.CGateException;
import com.daveoxley.cnery.dao.SceneDAO;
import javax.jws.WebMethod;
import javax.jws.WebService;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jboss.seam.Component;
import org.jboss.seam.async.Asynchronous;
import uk.me.jstott.coordconv.LatitudeLongitude;

/**
 *
 * @author Dave Oxley <dave@daveoxley.co.uk>
 */
@WebService(serviceName = "GPSSensor")
public class GPSSensor {

    private final static Log log = LogFactory.getLog(GPSSensor.class);

    private ProcessGPSSensorImpl async = null;

    private synchronized ProcessGPSSensorImpl getAsync() {
        if (async == null)
            async = new ProcessGPSSensorImpl();
        return async;
    }

    @WebMethod(operationName = "getGPSHomeLocation")
    public Number[] getGPSHomeLocation() {

        try{
            LatitudeLongitude position = (LatitudeLongitude)Component.getInstance("position");
            Integer gpsRadius = (Integer)Component.getInstance("gpsRadius");
            Number[] positionArray = new Number[3];
            positionArray[0] = position.getLatitude();
            positionArray[1] = position.getLongitude();
            positionArray[2] = gpsRadius;

            return positionArray;
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    @WebMethod(operationName = "enteringHomeLocation")
    public Boolean enteringHomeLocation() {

        try {
            SceneDAO sceneDAO = (SceneDAO)Component.getInstance(SceneDAO.class);
            for (final com.daveoxley.cnery.entities.Scene scene : sceneDAO.findScenesGPSEntering()) {

                Thread thread = new Thread(new Runnable() {
                    @Override
                    public void run() {
                        getAsync().execute(null, scene, true);
                    }
                });
                thread.start();
            }

            return true;
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }

    @WebMethod(operationName = "leavingHomeLocation")
    public Boolean leavingHomeLocation() {

        try {
            SceneDAO sceneDAO = (SceneDAO)Component.getInstance(SceneDAO.class);
            for (final com.daveoxley.cnery.entities.Scene scene : sceneDAO.findScenesGPSLeaving()) {

                Thread thread = new Thread(new Runnable() {
                    @Override
                    public void run() {
                        getAsync().execute(null, scene, false);
                    }
                });
                thread.start();
            }

            return true;
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }

    private class ProcessGPSSensorImpl extends Asynchronous {

        public void execute(Object timer, final com.daveoxley.cnery.entities.Scene scene, final boolean entering) {
            (new Asynchronous.ContextualAsynchronousRequest(timer) {

                @Override
                protected void process() {
                    log.debug("Running thread for scene " + scene.getName());
                    try {
                        com.daveoxley.cnery.entities.Scene.GPSSceneAction action =
                                entering ? scene.getGpsEnterAreaAction() : scene.getGpsLeaveAreaAction();

                        if (action == com.daveoxley.cnery.entities.Scene.GPSSceneAction.ACTIVATE_SCENE)
                            scene.getActivateProcess().startNow();
                        else if (action == com.daveoxley.cnery.entities.Scene.GPSSceneAction.RESET_SCENE)
                            if (scene.getDeactivateProcess() != null) scene.getDeactivateProcess().startNow();
                    }
                    catch (Exception e) {
                        new CGateException(e);
                    }
                }
            }).run();
        }

        @Override
        public void execute(Object timer) {
            throw new UnsupportedOperationException("Not supported yet.");
        }

        @Override
        protected void handleException(Exception exception, Object timer) {}
    };
}