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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.notification;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.ning.http.client.AsyncHttpClient.BoundRequestBuilder;
import org.traccar.Context;
import org.traccar.helper.Log;
import org.traccar.model.Device;
import org.traccar.model.Event;
import org.traccar.model.Geofence;
import org.traccar.model.Position;
import java.nio.charset.StandardCharsets;
import java.util.HashMap;
import java.util.Map;
public final class EventForwarder {
private String url;
private String header;
public EventForwarder() {
url = Context.getConfig().getString("event.forward.url", "http://localhost/");
header = Context.getConfig().getString("event.forward.header", "");
}
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";
public void forwardEvent(Event event, Position position) {
BoundRequestBuilder requestBuilder = Context.getAsyncHttpClient().preparePost(url);
requestBuilder.addHeader("Content-Type", "application/json; charset=utf-8");
if (!header.equals("")) {
String[] headerLines = header.split("\\r?\\n");
for (String headerLine: headerLines) {
String[] splitedLine = headerLine.split(":", 2);
if (splitedLine.length == 2) {
requestBuilder.setHeader(splitedLine[0].trim(), splitedLine[1].trim());
}
}
}
requestBuilder.setBody(preparePayload(event, position));
requestBuilder.execute();
}
private byte[] preparePayload(Event event, Position position) {
Map<String, Object> data = new HashMap<>();
data.put(KEY_EVENT, event);
if (position != null) {
data.put(KEY_POSITION, position);
}
if (event.getDeviceId() != 0) {
Device device = Context.getIdentityManager().getDeviceById(event.getDeviceId());
if (device != null) {
data.put(KEY_DEVICE, device);
}
}
if (event.getGeofenceId() != 0) {
Geofence geofence = Context.getGeofenceManager().getGeofence(event.getGeofenceId());
if (geofence != null) {
data.put(KEY_GEOFENCE, geofence);
}
}
try {
return Context.getObjectMapper().writeValueAsString(data).getBytes(StandardCharsets.UTF_8);
} catch (JsonProcessingException e) {
Log.warning(e);
return null;
}
}
}
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