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
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/*
* Copyright 2014 - 2015 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 org.jboss.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.DeviceSession;
import org.traccar.helper.BitUtil;
import org.traccar.helper.DateBuilder;
import org.traccar.helper.Parser;
import org.traccar.helper.PatternBuilder;
import org.traccar.model.Position;
import java.net.SocketAddress;
import java.util.regex.Pattern;
public class MiniFinderProtocolDecoder extends BaseProtocolDecoder {
public MiniFinderProtocolDecoder(MiniFinderProtocol protocol) {
super(protocol);
}
private static final Pattern PATTERN = new PatternBuilder()
.expression("![A-D],")
.number("(d+)/(d+)/(d+),") // date
.number("(d+):(d+):(d+),") // time
.number("(-?d+.d+),") // latitude
.number("(-?d+.d+),") // longitude
.number("(d+.?d*),") // speed
.number("(d+.?d*),") // course
.groupBegin()
.number("(x+),") // flags
.number("(-?d+.d+),") // altitude
.number("(d+),") // battery
.number("(d+),") // satellites in use
.number("(d+),") // satellites in view
.text("0")
.or()
.any()
.groupEnd()
.compile();
@Override
protected Object decode(
Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
String sentence = (String) msg;
if (sentence.startsWith("!1")) {
getDeviceSession(channel, remoteAddress, sentence.substring(3, sentence.length()));
} else if (sentence.matches("![A-D].*")) {
DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
if (deviceSession == null) {
return null;
}
Parser parser = new Parser(PATTERN, sentence);
if (!parser.matches()) {
return null;
}
Position position = new Position();
position.setProtocol(getProtocolName());
position.setDeviceId(deviceSession.getDeviceId());
DateBuilder dateBuilder = new DateBuilder()
.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt())
.setTime(parser.nextInt(), parser.nextInt(), parser.nextInt());
position.setTime(dateBuilder.getDate());
position.setLatitude(parser.nextDouble());
position.setLongitude(parser.nextDouble());
position.setSpeed(parser.nextDouble());
position.setCourse(parser.nextDouble());
if (position.getCourse() > 360) {
position.setCourse(0);
}
if (parser.hasNext(5)) {
int flags = parser.nextInt(16);
position.setValid(BitUtil.check(flags, 0));
if (BitUtil.check(flags, 2)) {
position.set(Position.KEY_ALARM, Position.ALARM_FAULT);
}
if (BitUtil.check(flags, 6)) {
position.set(Position.KEY_ALARM, Position.ALARM_SOS);
}
if (BitUtil.check(flags, 7)) {
position.set(Position.KEY_ALARM, Position.ALARM_OVERSPEED);
}
if (BitUtil.check(flags, 8)) {
position.set(Position.KEY_ALARM, Position.ALARM_FALL_DOWN);
}
if (BitUtil.check(flags, 12)) {
position.set(Position.KEY_ALARM, Position.ALARM_LOW_BATTERY);
}
if (BitUtil.check(flags, 15) || BitUtil.check(flags, 14)) {
position.set(Position.KEY_ALARM, Position.ALARM_MOVEMENT);
}
position.set(Position.KEY_GSM, BitUtil.between(flags, 16, 20));
position.setAltitude(parser.nextDouble());
position.set(Position.KEY_BATTERY, parser.next());
position.set(Position.KEY_SATELLITES, parser.next());
}
return position;
}
return null;
}
}
|
