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/*
* Copyright 2016 - 2018 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.apache.commons.collections4.MultiValuedMap;
import org.apache.commons.collections4.multimap.ArrayListValuedHashMap;
import org.traccar.Context;
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 javax.ws.rs.client.AsyncInvoker;
import javax.ws.rs.client.Invocation;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
public abstract class EventForwarder {
private final String url;
private final 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";
private static final String KEY_MAINTENANCE = "maintenance";
private static final String KEY_USERS = "users";
public final void forwardEvent(Event event, Position position, Set<Long> users) {
Invocation.Builder requestBuilder = Context.getClient().target(url).request();
if (header != null && !header.isEmpty()) {
for (Map.Entry<String, String> entry : splitKeyValues(header, ":").entries()) {
requestBuilder = requestBuilder.header(entry.getKey(), entry.getValue());
}
}
executeRequest(event, position, users, requestBuilder.async());
}
protected MultiValuedMap<String, String> splitKeyValues(String params, String separator) {
MultiValuedMap<String, String> data = new ArrayListValuedHashMap<>();
for (String line: params.split("\\r?\\n")) {
String[] values = line.split(separator, 2);
if (values.length == 2) {
data.put(values[0].trim(), values[1].trim());
}
}
return data;
}
protected Map<String, Object> preparePayload(Event event, Position position, Set<Long> users) {
Map<String, Object> data = new HashMap<>();
data.put(KEY_EVENT, event);
if (position != null) {
data.put(KEY_POSITION, position);
}
Device device = Context.getIdentityManager().getById(event.getDeviceId());
if (device != null) {
data.put(KEY_DEVICE, device);
}
if (event.getGeofenceId() != 0) {
Geofence geofence = Context.getGeofenceManager().getById(event.getGeofenceId());
if (geofence != null) {
data.put(KEY_GEOFENCE, geofence);
}
}
if (event.getMaintenanceId() != 0) {
Maintenance maintenance = Context.getMaintenancesManager().getById(event.getMaintenanceId());
if (maintenance != null) {
data.put(KEY_MAINTENANCE, maintenance);
}
}
data.put(KEY_USERS, Context.getUsersManager().getItems(users));
return data;
}
protected abstract void executeRequest(
Event event, Position position, Set<Long> users, AsyncInvoker invoker);
}
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