/* * Copyright 2013 Anton Tananaev (anton.tananaev@gmail.com) * * 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.protocol; import java.nio.charset.Charset; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.Date; import java.util.List; import java.util.Map; import org.jboss.netty.channel.Channel; import org.jboss.netty.channel.ChannelFutureListener; import org.jboss.netty.channel.ChannelHandlerContext; import org.jboss.netty.handler.codec.http.DefaultHttpResponse; import org.jboss.netty.handler.codec.http.HttpRequest; import org.jboss.netty.handler.codec.http.HttpResponse; import org.jboss.netty.handler.codec.http.HttpResponseStatus; import org.jboss.netty.handler.codec.http.HttpVersion; import org.jboss.netty.handler.codec.http.QueryStringDecoder; import org.traccar.BaseProtocolDecoder; import org.traccar.model.Event; import org.traccar.model.Position; public class OsmAndProtocolDecoder extends BaseProtocolDecoder { public OsmAndProtocolDecoder(String protocol) { super(protocol); } @Override protected Object decode( ChannelHandlerContext ctx, Channel channel, Object msg) throws Exception { HttpRequest request = (HttpRequest) msg; QueryStringDecoder decoder = new QueryStringDecoder(request.getUri()); Map<String, List<String>> params = decoder.getParameters(); if (params.isEmpty()) { decoder = new QueryStringDecoder( request.getContent().toString(Charset.defaultCharset()), false); params = decoder.getParameters(); } // Create new position Position position = new Position(); position.setProtocol(getProtocol()); // Identification String id = params.get(params.containsKey("id") ? "id" : "deviceid").get(0); if (!identify(id)) { return null; } position.setDeviceId(getDeviceId()); // Decode position position.setValid(true); if (params.containsKey("timestamp")) { try { position.setTime(new Date(Long.valueOf(params.get("timestamp").get(0)) * 1000)); } catch (NumberFormatException error) { DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); position.setTime(dateFormat.parse(params.get("timestamp").get(0))); } } else { position.setTime(new Date()); } position.setLatitude(Double.valueOf(params.get("lat").get(0))); position.setLongitude(Double.valueOf(params.get("lon").get(0))); // Optional parameters if (params.containsKey("speed")) { position.setSpeed(Double.valueOf(params.get("speed").get(0))); } if (params.containsKey("bearing")) { position.setCourse(Double.valueOf(params.get("bearing").get(0))); } else if (params.containsKey("heading")) { position.setCourse(Double.valueOf(params.get("heading").get(0))); } if (params.containsKey("altitude")) { position.setAltitude(Double.valueOf(params.get("altitude").get(0))); } if (params.containsKey("hdop")) { position.set(Event.KEY_HDOP, params.get("hdop").get(0)); } if (params.containsKey("vacc")) { position.set("vacc", params.get("vacc").get(0)); } if (params.containsKey("hacc")) { position.set("hacc", params.get("hacc").get(0)); } if (params.containsKey("batt")) { position.set(Event.KEY_BATTERY, params.get("batt").get(0)); } if (params.containsKey("desc")) { position.set("description", params.get("desc").get(0)); } // Send response if (channel != null) { HttpResponse response = new DefaultHttpResponse( HttpVersion.HTTP_1_1, HttpResponseStatus.OK); channel.write(response).addListener(ChannelFutureListener.CLOSE); } return position; } }