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
|
/*
* Copyright 2016 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 org.jboss.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.DeviceSession;
import org.traccar.helper.DateBuilder;
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 FoxProtocolDecoder extends BaseProtocolDecoder {
public FoxProtocolDecoder(FoxProtocol protocol) {
super(protocol);
}
private static final Pattern PATTERN = new PatternBuilder()
.number("(d+),") // status id
.expression("([AV]),") // validity
.number("(dd)(dd)(dd),") // date
.number("(dd)(dd)(dd),") // time
.number("(dd)(dd.d+),") // latitude
.expression("([NS]),")
.number("(ddd)(dd.d+),") // longitude
.expression("([EW]),")
.number("(d+.?d*)?,") // speed
.number("(d+.?d*)?,") // course
.expression("[^,]*,") // cell info
.number("([01]+) ") // input
.number("(d+) ") // power
.number("(d+) ") // temperature
.number("(d+) ") // rpm
.number("(d+) ") // fuel
.number("(d+) ") // adc 1
.number("(d+) ") // adc 2
.number("([01]+) ") // output
.number("(d+),") // odometer
.expression("(.+)") // status info
.compile();
private String getAttribute(String xml, String key) {
int start = xml.indexOf(key + "=\"");
if (start != -1) {
start += key.length() + 2;
int end = xml.indexOf("\"", start);
if (end != -1) {
return xml.substring(start, end);
}
}
return null;
}
@Override
protected Object decode(
Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
String xml = (String) msg;
String id = getAttribute(xml, "id");
String data = getAttribute(xml, "data");
if (id != null && data != null) {
DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, id);
if (deviceSession == null) {
return null;
}
Parser parser = new Parser(PATTERN, data);
if (!parser.matches()) {
return null;
}
Position position = new Position();
position.setProtocol(getProtocolName());
position.setDeviceId(deviceSession.getDeviceId());
position.set(Position.KEY_STATUS, parser.nextInt());
position.setValid(parser.next().equals("A"));
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.nextCoordinate());
position.setLongitude(parser.nextCoordinate());
position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble()));
position.setCourse(parser.nextDouble());
position.set(Position.KEY_INPUT, parser.nextInt(2));
position.set(Position.KEY_POWER, parser.nextDouble() / 10);
position.set(Position.PREFIX_TEMP + 1, parser.nextInt());
position.set(Position.KEY_RPM, parser.nextInt());
position.set(Position.KEY_FUEL, parser.nextInt());
position.set(Position.PREFIX_ADC + 1, parser.nextInt());
position.set(Position.PREFIX_ADC + 2, parser.nextInt());
position.set(Position.KEY_OUTPUT, parser.nextInt(2));
position.set(Position.KEY_ODOMETER, parser.nextInt());
position.set("statusData", parser.next());
return position;
}
return null;
}
}
|
