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package org.traccar.notification;
import java.nio.charset.StandardCharsets;
import javax.json.Json;
import javax.json.JsonObjectBuilder;
import org.traccar.Context;
import org.traccar.model.Device;
import org.traccar.model.Event;
import org.traccar.model.Geofence;
import org.traccar.model.Position;
import org.traccar.web.JsonConverter;
import com.ning.http.client.AsyncHttpClient.BoundRequestBuilder;
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 USER_AGENT = "Traccar Server";
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");
requestBuilder.addHeader("User-Agent", USER_AGENT);
if (!header.equals("")) {
String[] headerLines = header.split("\\r?\\n");
for (String headerLine: headerLines) {
String[] splitedLine = headerLine.split(":", 2);
if (splitedLine.length == 2) {
requestBuilder.addHeader(splitedLine[0].trim(), splitedLine[1].trim());
}
}
}
requestBuilder.setBody(preparePayload(event, position));
requestBuilder.execute();
}
private byte[] preparePayload(Event event, Position position) {
JsonObjectBuilder json = Json.createObjectBuilder();
json.add(KEY_EVENT, JsonConverter.objectToJson(event));
if (position != null) {
json.add(KEY_POSITION, JsonConverter.objectToJson(position));
}
if (event.getDeviceId() != 0) {
Device device = Context.getIdentityManager().getDeviceById(event.getDeviceId());
if (device != null) {
json.add(KEY_DEVICE, JsonConverter.objectToJson(device));
}
}
if (event.getGeofenceId() != 0) {
Geofence geofence = Context.getGeofenceManager().getGeofence(event.getGeofenceId());
if (geofence != null) {
json.add(KEY_GEOFENCE, JsonConverter.objectToJson(geofence));
}
}
return json.build().toString().getBytes(StandardCharsets.UTF_8);
}
}
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