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
|
/*
* Copyright 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 java.net.SocketAddress;
import java.util.Date;
import java.util.regex.Pattern;
import org.jboss.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.helper.Parser;
import org.traccar.helper.PatternBuilder;
import org.traccar.model.Event;
import org.traccar.model.Position;
public class GpsmtaProtocolDecoder extends BaseProtocolDecoder {
public GpsmtaProtocolDecoder(GpsmtaProtocol protocol) {
super(protocol);
}
private static final Pattern PATTERN = new PatternBuilder()
.num("(d+) ") // uid
.num("(d+) ") // time
.num("(d+.d+) ") // latitude
.num("(d+.d+) ") // longitude
.num("(d+) ") // speed
.num("(d+) ") // course
.num("(d+) ") // accuracy
.num("(d+) ") // altitude
.num("(d+) ") // flags
.num("(d+) ") // battery
.num("(d+) ") // temperature
.num("(d)") // changing status
.any()
.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());
if (!identify(parser.next(), channel, remoteAddress)) {
return null;
}
position.setDeviceId(getDeviceId());
String time = parser.next();
position.setTime(new Date(Long.parseLong(time) * 1000));
position.setLatitude(parser.nextDouble());
position.setLongitude(parser.nextDouble());
position.setSpeed(parser.nextInt());
position.setCourse(parser.nextInt());
parser.next();
position.setAltitude(parser.nextInt());
position.set(Event.KEY_STATUS, parser.nextInt());
position.set(Event.KEY_BATTERY, parser.nextInt());
position.set(Event.PREFIX_TEMP + 1, parser.nextInt());
position.set(Event.KEY_CHARGE, parser.nextInt() == 1);
if (channel != null) {
channel.write(time, remoteAddress);
}
return position;
}
}
|
