/* * Copyright 2016 Anton Tananaev (anton@traccar.org) * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.traccar.events; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import org.traccar.BaseEventHandler; import org.traccar.Context; import org.traccar.database.GeofenceManager; import org.traccar.model.Calendar; import org.traccar.model.Device; import org.traccar.model.Event; import org.traccar.model.Position; public class GeofenceEventHandler extends BaseEventHandler { private GeofenceManager geofenceManager; public GeofenceEventHandler() { geofenceManager = Context.getGeofenceManager(); } @Override protected Map<Event, Position> analyzePosition(Position position) { Device device = Context.getIdentityManager().getById(position.getDeviceId()); if (device == null) { return null; } if (!Context.getIdentityManager().isLatestPosition(position) || !position.getValid()) { return null; } List<Long> currentGeofences = geofenceManager.getCurrentDeviceGeofences(position); List<Long> oldGeofences = new ArrayList<>(); if (device.getGeofenceIds() != null) { oldGeofences.addAll(device.getGeofenceIds()); } List<Long> newGeofences = new ArrayList<>(currentGeofences); newGeofences.removeAll(oldGeofences); oldGeofences.removeAll(currentGeofences); device.setGeofenceIds(currentGeofences); Map<Event, Position> events = new HashMap<>(); for (long geofenceId : newGeofences) { long calendarId = geofenceManager.getById(geofenceId).getCalendarId(); Calendar calendar = calendarId != 0 ? Context.getCalendarManager().getById(calendarId) : null; if (calendar == null || calendar.checkMoment(position.getFixTime())) { Event event = new Event(Event.TYPE_GEOFENCE_ENTER, position.getDeviceId(), position.getId()); event.setGeofenceId(geofenceId); events.put(event, position); } } for (long geofenceId : oldGeofences) { long calendarId = geofenceManager.getById(geofenceId).getCalendarId(); Calendar calendar = calendarId != 0 ? Context.getCalendarManager().getById(calendarId) : null; if (calendar == null || calendar.checkMoment(position.getFixTime())) { Event event = new Event(Event.TYPE_GEOFENCE_EXIT, position.getDeviceId(), position.getId()); event.setGeofenceId(geofenceId); events.put(event, position); } } return events; } }