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
|
/*
* Copyright 2012 - 2013 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.util.Calendar;
import java.util.TimeZone;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.jboss.netty.channel.Channel;
import org.jboss.netty.channel.ChannelHandlerContext;
import org.traccar.BaseProtocolDecoder;
import org.traccar.ServerManager;
import org.traccar.helper.Log;
import org.traccar.model.Position;
public class Tk103ProtocolDecoder extends BaseProtocolDecoder {
public Tk103ProtocolDecoder(ServerManager serverManager) {
super(serverManager);
}
/**
* Regular expressions pattern
*/
static private Pattern pattern = Pattern.compile(
"\\(" +
"(\\d{12})" + // Device ID
".{4}" + // Command
"\\d+" + // IMEI (?)
"(\\d{2})(\\d{2})(\\d{2})" + // Date (YYMMDD)
"([AV])" + // Validity
"(\\d{2})(\\d{2}\\.\\d{4})" + // Latitude (DDMM.MMMM)
"([NS])" +
"(\\d{3})(\\d{2}\\.\\d{4})" + // Longitude (DDDMM.MMMM)
"([EW])" +
"(\\d+\\.\\d)" + // Speed
"(\\d{2})(\\d{2})(\\d{2})" + // Time (HHMMSS)
"(\\d+\\.\\d+)" + // Course
"(\\d{8})" + // State
"L([0-9a-fA-F]+)"); // Milage
@Override
protected Object decode(
ChannelHandlerContext ctx, Channel channel, Object msg)
throws Exception {
String sentence = (String) msg;
// TODO: Send answer?
//(090411121854AP05)
// Parse message
Matcher parser = pattern.matcher(sentence);
if (!parser.matches()) {
return null;
}
// Create new position
Position position = new Position();
StringBuilder extendedInfo = new StringBuilder("<protocol>tk103</protocol>");
Integer index = 1;
// Get device by IMEI
String imei = "000" + parser.group(index++);
try {
position.setDeviceId(getDataManager().getDeviceByImei(imei).getId());
} catch(Exception error) {
Log.warning("Unknown device - " + imei);
return null;
}
// Date
Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
time.clear();
time.set(Calendar.YEAR, 2000 + Integer.valueOf(parser.group(index++)));
time.set(Calendar.MONTH, Integer.valueOf(parser.group(index++)) - 1);
time.set(Calendar.DAY_OF_MONTH, Integer.valueOf(parser.group(index++)));
// Validity
position.setValid(parser.group(index++).compareTo("A") == 0 ? true : false);
// Latitude
Double latitude = Double.valueOf(parser.group(index++));
latitude += Double.valueOf(parser.group(index++)) / 60;
if (parser.group(index++).compareTo("S") == 0) latitude = -latitude;
position.setLatitude(latitude);
// Longitude
Double lonlitude = Double.valueOf(parser.group(index++));
lonlitude += Double.valueOf(parser.group(index++)) / 60;
if (parser.group(index++).compareTo("W") == 0) lonlitude = -lonlitude;
position.setLongitude(lonlitude);
// Altitude
position.setAltitude(0.0);
// Speed
position.setSpeed(Double.valueOf(parser.group(index++)));
// Time
time.set(Calendar.HOUR, Integer.valueOf(parser.group(index++)));
time.set(Calendar.MINUTE, Integer.valueOf(parser.group(index++)));
time.set(Calendar.SECOND, Integer.valueOf(parser.group(index++)));
position.setTime(time.getTime());
// Course
position.setCourse(Double.valueOf(parser.group(index++)));
// State
extendedInfo.append("<state>");
extendedInfo.append(parser.group(index++));
extendedInfo.append("</state>");
// Milage
extendedInfo.append("<milage>");
extendedInfo.append(Integer.parseInt(parser.group(index++), 16));
extendedInfo.append("</milage>");
position.setExtendedInfo(extendedInfo.toString());
return position;
}
}
|
