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/*
* Copyright 2022 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.protocol;
import io.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.DeviceSession;
import org.traccar.NetworkMessage;
import org.traccar.Protocol;
import org.traccar.helper.Parser;
import org.traccar.helper.PatternBuilder;
import org.traccar.helper.UnitsConverter;
import org.traccar.model.Position;
import java.net.SocketAddress;
import java.util.regex.Pattern;
public class ArmoliProtocolDecoder extends BaseProtocolDecoder {
public ArmoliProtocolDecoder(Protocol protocol) {
super(protocol);
}
private static final Pattern PATTERN = new PatternBuilder()
.text("[M") // start
.number("(d{15})") // imei
.number("(dd)(dd)(dd)") // date (ddmmyy)
.number("(dd)(dd)(dd)") // time (hhmmss)
.number("([NS])(dd.d{6})") // latitude
.number("([EW])(ddd.d{6})") // longitude
.number("(d)") // valid
.number("(x)") // satellites
.number("(xx)") // speed
.number("(ddd)") // course
.number("(xxx)") // adc 1
.number("(xxx)") // adc 2
.number("(xx)") // status
.number("(xx)") // max speed
.number("(x{6})") // distance
.number("(dd)?") // hdop
.number("xx") // idle
.number(":(x+)").optional() // alarms
.number("G(x{6})").optional() // g-sensor
.number("H(x{3})").optional() // power
.number("E(x{3})").optional() // battery
.number("!(x+)").optional() // driver
.any()
.compile();
@Override
protected Object decode(
Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
String sentence = (String) msg;
char type = sentence.charAt(1);
Position position = new Position(getProtocolName());
DeviceSession deviceSession;
if (type != 'M') {
if (type == 'W') {
deviceSession = getDeviceSession(channel, remoteAddress);
if (deviceSession != null) {
position.setDeviceId(deviceSession.getDeviceId());
getLastLocation(position, null);
position.set(
Position.KEY_RESULT,
sentence.substring(sentence.indexOf(',') + 1, sentence.length() - 1));
return position;
}
} else if (channel != null && (type == 'Q' || type == 'L')) {
channel.writeAndFlush(new NetworkMessage("[TX,];;", remoteAddress));
}
return null;
}
Parser parser = new Parser(PATTERN, (String) msg);
if (!parser.matches()) {
return null;
}
deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
if (deviceSession == null) {
return null;
}
position.setDeviceId(deviceSession.getDeviceId());
position.setTime(parser.nextDateTime(Parser.DateTimeFormat.DMY_HMS));
position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG));
position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG));
position.setValid(parser.nextInt() > 0);
position.set(Position.KEY_SATELLITES, parser.nextHexInt());
position.setSpeed(UnitsConverter.knotsFromKph(parser.nextHexInt()));
position.setCourse(parser.nextInt());
position.set(Position.PREFIX_ADC + 1, parser.nextHexInt() / 27.0 * 1000);
position.set(Position.PREFIX_ADC + 1, parser.nextHexInt() / 27.0 * 1000);
position.set(Position.KEY_STATUS, parser.nextHexInt());
position.set("maxSpeed", parser.nextHexInt());
position.set(Position.KEY_ODOMETER, parser.nextHexInt());
if (parser.hasNext()) {
position.set(Position.KEY_HDOP, parser.nextInt() * 0.1);
}
if (parser.hasNext()) {
position.set("alarms", parser.next());
}
if (parser.hasNext()) {
position.set(Position.KEY_G_SENSOR, parser.next());
}
if (parser.hasNext()) {
position.set(Position.KEY_POWER, parser.nextHexInt() * 0.01);
}
if (parser.hasNext()) {
position.set(Position.KEY_BATTERY, parser.nextHexInt() * 0.01);
}
if (parser.hasNext()) {
position.set(Position.KEY_DRIVER_UNIQUE_ID, parser.next());
}
return position;
}
}
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