1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
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 LdplProtocolDecoder extends BaseProtocolDecoder {
public LdplProtocolDecoder(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
.expression("([0-9A-Z]{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());
if ("A".equals(parser.next())) {
position.setValid(true);
} else {
position.setValid(false);
}
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());
String vehicleStatus = parser.next();
position.set(Position.KEY_POWER, parser.nextInt());
position.set(Position.KEY_BATTERY, parser.nextDouble());
position.set(Position.KEY_ALARM, parser.nextInt());
Integer bodyTamper = parser.nextInt();
Integer acStatus = parser.nextInt();
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());
if ("R".equals(parser.next())) {
position.set(Position.KEY_ARCHIVE, true);
} else {
position.set(Position.KEY_ARCHIVE, false);
}
String checksum = parser.next();
return position;
}
}
|
