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/*
* Copyright 2016 - 2022 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.notification;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.traccar.config.Config;
import org.traccar.config.Keys;
import org.traccar.model.Device;
import org.traccar.model.Event;
import org.traccar.model.Geofence;
import org.traccar.model.Maintenance;
import org.traccar.model.Position;
import org.traccar.session.cache.CacheManager;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.Entity;
import javax.ws.rs.client.Invocation;
import javax.ws.rs.client.InvocationCallback;
import java.util.HashMap;
import java.util.Map;
public class EventForwarder {
private static final Logger LOGGER = LoggerFactory.getLogger(EventForwarder.class);
private final String url;
private final String header;
private final Client client;
private final CacheManager cacheManager;
public EventForwarder(Config config, Client client, CacheManager cacheManager) {
this.client = client;
this.cacheManager = cacheManager;
url = config.getString(Keys.EVENT_FORWARD_URL);
header = config.getString(Keys.EVENT_FORWARD_HEADERS);
}
private static final String KEY_POSITION = "position";
private static final String KEY_EVENT = "event";
private static final String KEY_GEOFENCE = "geofence";
private static final String KEY_DEVICE = "device";
private static final String KEY_MAINTENANCE = "maintenance";
public final void forwardEvent(Event event, Position position) {
Invocation.Builder requestBuilder = client.target(url).request();
if (header != null && !header.isEmpty()) {
for (String line: header.split("\\r?\\n")) {
String[] values = line.split(":", 2);
requestBuilder.header(values[0].trim(), values[1].trim());
}
}
LOGGER.debug("Event forwarding initiated");
requestBuilder.async().post(Entity.json(preparePayload(event, position)), new InvocationCallback<>() {
@Override
public void completed(Object o) {
LOGGER.debug("Event forwarding succeeded");
}
@Override
public void failed(Throwable throwable) {
LOGGER.warn("Event forwarding failed", throwable);
}
});
}
protected Map<String, Object> preparePayload(Event event, Position position) {
Map<String, Object> data = new HashMap<>();
data.put(KEY_EVENT, event);
if (position != null) {
data.put(KEY_POSITION, position);
}
Device device = cacheManager.getObject(Device.class, event.getDeviceId());
if (device != null) {
data.put(KEY_DEVICE, device);
}
if (event.getGeofenceId() != 0) {
Geofence geofence = cacheManager.getObject(Geofence.class, event.getGeofenceId());
if (geofence != null) {
data.put(KEY_GEOFENCE, geofence);
}
}
if (event.getMaintenanceId() != 0) {
Maintenance maintenance = cacheManager.getObject(Maintenance.class, event.getMaintenanceId());
if (maintenance != null) {
data.put(KEY_MAINTENANCE, maintenance);
}
}
return data;
}
}
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