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
138
139
140
141
|
/*
* Copyright 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 WondexProtocolDecoder extends BaseProtocolDecoder {
public WondexProtocolDecoder(ServerManager serverManager) {
super(serverManager);
}
/**
* Regular expressions pattern
*/
static private Pattern pattern = Pattern.compile(
"[^\\d]*" + // Header
"(\\d+)," + // Device Identifier
"(\\d{4})(\\d{2})(\\d{2})" + // Date (YYYYMMDD)
"(\\d{2})(\\d{2})(\\d{2})," + // Time (HHMMSS)
"(-?\\d+\\.\\d+)," + // Longitude
"(-?\\d+\\.\\d+)," + // Latitude
"(\\d+)," + // Speed
"(\\d+)," + // Course
"(\\d+)," + // Altitude
"(\\d+)," + // Satellites
"(\\d+),?" + // Event
"(\\d+\\.\\d+)?,?" + // Milage
"(\\d+)?,?" + // Input
"(\\d+\\.\\d+)?,?" + // ADC1
"(\\d+\\.\\d+)?,?" + // ADC2
"(\\d+)?"); // Output
@Override
protected Object decode(
ChannelHandlerContext ctx, Channel channel, Object msg)
throws Exception {
// Parse message
Matcher parser = pattern.matcher((String) msg);
if (!parser.matches()) {
return null;
}
// Create new position
Position position = new Position();
StringBuilder extendedInfo = new StringBuilder("<protocol>vt300</protocol>");
int index = 1;
// Device identifier
String id = parser.group(index++);
try {
position.setDeviceId(getDataManager().getDeviceByImei(id).getId());
} catch(Exception error) {
Log.warning("Unknown device - " + id);
return null;
}
// Time
Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
time.clear();
time.set(Calendar.YEAR, 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++)));
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());
// Position data
position.setLongitude(Double.valueOf(parser.group(index++)));
position.setLatitude(Double.valueOf(parser.group(index++)));
position.setSpeed(Double.valueOf(parser.group(index++)));
position.setCourse(Double.valueOf(parser.group(index++)));
position.setAltitude(Double.valueOf(parser.group(index++)));
// Satellites
int satellites = Integer.valueOf(parser.group(index++));
position.setValid(satellites >= 3);
extendedInfo.append("<satellites>").append(satellites).append("</satellites>");
// Event
extendedInfo.append("<event>");
extendedInfo.append(parser.group(index++));
extendedInfo.append("</event>");
// Milage
String milage = parser.group(index++);
if (milage != null) {
extendedInfo.append("<milage>").append(milage).append("</milage>");
}
// Input
String input = parser.group(index++);
if (input != null) {
extendedInfo.append("<input>").append(input).append("</input>");
}
// ADC
String adc1 = parser.group(index++);
if (adc1 != null) {
extendedInfo.append("<adc1>").append(adc1).append("</adc1>");
}
String adc2 = parser.group(index++);
if (adc2 != null) {
extendedInfo.append("<adc2>").append(adc2).append("</adc2>");
}
// Output
String output = parser.group(index++);
if (output != null) {
extendedInfo.append("<output>").append(output).append("</output>");
}
position.setExtendedInfo(extendedInfo.toString());
return position;
}
}
|
