1 files changed, 83 insertions, 0 deletions
diff --git a/src/org/traccar/handler/events/GeofenceEventHandler.java b/src/org/traccar/handler/events/GeofenceEventHandler.java
new file mode 100644
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+++ b/src/org/traccar/handler/events/GeofenceEventHandler.java
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+/*
+ * 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.handler.events;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import io.netty.channel.ChannelHandler;
+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;
+
+@ChannelHandler.Sharable
+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 : 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);
+            }
+        }
+        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);
+            }
+        }
+        return events;
+    }
+}