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/*
* Copyright 2016 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.net.SocketAddress;
import java.util.regex.Pattern;
import org.jboss.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.Protocol;
import org.traccar.helper.DateBuilder;
import org.traccar.helper.Parser;
import org.traccar.helper.Parser.CoordinateFormat;
import org.traccar.helper.PatternBuilder;
import org.traccar.model.Position;
public class IdplProtocolDecoder extends BaseProtocolDecoder {
public IdplProtocolDecoder(Protocol protocol) {
super(protocol);
}
private static final Pattern PATTERN = new PatternBuilder()
.text("*ID") // start of frame
.number("(d+),") // command code
.number("(d+),") // imei
.number("(dd)(dd)(dd),") // current date
.number("(dd)(dd)(dd),") // current time
.expression("([A|V]),") // gps fix
.number("(dd)(dd).?(d+),([NS]),") // latitude
.number("(ddd)(dd).?(d+),([EW]),") // longitude
.number("(d{1,3}.dd),") // speed
.number("(d{1,3}.dd),") // course
.number("(d{1,2}),") // sats
.number("(d{1,3}),") // gsm signal strength
.expression("([A|N|S]),") // vehicle status
.expression("([0|1]),") // main power status
.number("(d.dd),") // internal battery voltage
.expression("([0|1]),") // sos alert
.expression("([0|1]),") // body tamper
.expression("([0|1])([0|1]),") // ac status + ign status
.expression("([0|1|2]),") // output1 status
.number("(d{1,3}),") // adc1
.number("(d{1,3}),") // adc2
.expression("([0-9A-Z]{3}),") // software version
.expression("([L|R]),") // message type
.number("(x{4})#") // crc
.compile();
@Override
protected Object decode(
Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
Parser parser = new Parser(PATTERN, (String) msg);
if (!parser.matches()) {
return null;
}
Position position = new Position();
position.setProtocol(getProtocolName());
position.set(Position.KEY_TYPE, parser.nextInt());
if (!identify(parser.next(), channel, remoteAddress)) {
return null;
}
position.setDeviceId(getDeviceId());
DateBuilder dateBuilder = new DateBuilder()
.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt())
.setTime(parser.nextInt(), parser.nextInt(), parser.nextInt());
position.setTime(dateBuilder.getDate());
position.setValid(parser.next().equals("A"));
position.setLatitude(parser.nextCoordinate(CoordinateFormat.DEG_MIN_MIN_HEM));
position.setLongitude(parser.nextCoordinate(CoordinateFormat.DEG_MIN_MIN_HEM));
position.setSpeed(parser.nextDouble());
position.setCourse(parser.nextDouble());
position.set(Position.KEY_SATELLITES, parser.nextInt());
position.set(Position.KEY_GSM, parser.nextInt());
parser.next(); // vehicle status
position.set(Position.KEY_POWER, parser.nextInt());
position.set(Position.KEY_BATTERY, parser.nextDouble());
position.set(Position.KEY_ALARM, parser.nextInt());
parser.nextInt(); // body tamper
parser.nextInt(); // acStatus
position.set(Position.KEY_IGNITION, parser.nextInt());
position.set(Position.KEY_OUTPUT, parser.nextInt());
position.set(Position.PREFIX_ADC + 1, parser.nextInt());
position.set(Position.PREFIX_ADC + 2, parser.nextInt());
position.set(Position.KEY_VERSION, parser.next());
position.set(Position.KEY_ARCHIVE, parser.next().equals("R"));
parser.next(); // checksum
return position;
}
}
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