aboutsummaryrefslogtreecommitdiff
path: root/src/org/traccar/protocol/V680ProtocolDecoder.java
blob: e8c3d34269a616f85f29dd31488c29ff4ea027df (plain)
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
142
/*
 * 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 V680ProtocolDecoder extends BaseProtocolDecoder {

    public V680ProtocolDecoder(ServerManager serverManager) {
        super(serverManager);
    }

    static private Pattern pattern = Pattern.compile(
            "#?" +
            "(\\d+)#" +                    // IMEI
            "([^#]*)#" +                   // User
            "([01])#" +                    // Fix
            "([^#]+)#" +                   // Password
            "[^#]+#" +
            "(\\d+)#" +                    // Packet number
            "(\\d+)." +                    // GSM base station
            "[^#]+#" +
            "(\\d{3})(\\d{2}\\.\\d+)," +   // Longitude (DDDMM.MMMM)
            "([EW])," +
            "(\\d{2})(\\d{2}\\.\\d+)," +   // Latitude (DDMM.MMMM)
            "([NS])," +
            "(\\d+\\.\\d+)," +             // Speed
            "(\\d+)#" +                    // Course
            "(\\d{2})(\\d{2})(\\d{2})#" +  // Date (DDMMYY)
            "(\\d{2})(\\d{2})(\\d{2})");   // Time (HHMMSS)

    @Override
    protected Object decode(
            ChannelHandlerContext ctx, Channel channel, Object msg)
            throws Exception {

        String sentence = (String) msg;

        // Parse message
        Matcher parser = pattern.matcher(sentence);
        if (!parser.matches()) {
            return null;
        }

        // Create new position
        Position position = new Position();
        StringBuilder extendedInfo = new StringBuilder("<protocol>V680</protocol>");
        Integer index = 1;

        // Get device by IMEI
        String imei = parser.group(index++);
        try {
            position.setDeviceId(getDataManager().getDeviceByImei(imei).getId());
        } catch(Exception error) {
            Log.warning("Unknown device - " + imei);
            return null;
        }

        // User
        extendedInfo.append("<user>");
        extendedInfo.append(parser.group(index++));
        extendedInfo.append("</user>");

        // Validity
        position.setValid(parser.group(index++).compareTo("1") == 0 ? true : false);

        // Password
        extendedInfo.append("<password>");
        extendedInfo.append(parser.group(index++));
        extendedInfo.append("</password>");

        // Packet number
        extendedInfo.append("<packet>");
        extendedInfo.append(parser.group(index++));
        extendedInfo.append("</packet>");

        // GSM base station
        extendedInfo.append("<gsm>");
        extendedInfo.append(parser.group(index++));
        extendedInfo.append("</gsm>");

        // 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);

        // 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);

        // Altitude
        position.setAltitude(0.0);

        // Speed and Course
        position.setSpeed(Double.valueOf(parser.group(index++)));
        position.setCourse(Double.valueOf(parser.group(index++)));

        // Date
        Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
        time.clear();
        time.set(Calendar.DAY_OF_MONTH, Integer.valueOf(parser.group(index++)));
        time.set(Calendar.MONTH, Integer.valueOf(parser.group(index++)) - 1);
        time.set(Calendar.YEAR, 2000 + Integer.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());

        // Extended info
        position.setExtendedInfo(extendedInfo.toString());

        return position;
    }

}