/* * 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().getById(event.getDeviceId()); if (device != null) { data.put(KEY_DEVICE, device); } } if (event.getGeofenceId() != 0) { Geofence geofence = (Geofence) Context.getGeofenceManager().getById(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; } } }