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
|
/*
* Copyright 2015 - 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;
import org.traccar.helper.Checksum;
import org.traccar.helper.Log;
import org.traccar.model.Device;
import org.traccar.model.MiscFormatter;
import org.traccar.model.Position;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.util.Calendar;
import java.util.Formatter;
import java.util.Locale;
import java.util.TimeZone;
public class WebDataHandler extends BaseDataHandler {
private final String url;
public WebDataHandler(String url) {
this.url = url;
}
private static String formatSentence(Position position) {
StringBuilder s = new StringBuilder("$GPRMC,");
try (Formatter f = new Formatter(s, Locale.ENGLISH)) {
Calendar calendar = Calendar.getInstance(TimeZone.getTimeZone("UTC"), Locale.ENGLISH);
calendar.setTimeInMillis(position.getFixTime().getTime());
f.format("%1$tH%1$tM%1$tS.%1$tL,A,", calendar);
double lat = position.getLatitude();
double lon = position.getLongitude();
f.format("%02d%07.4f,%c,", (int) Math.abs(lat), Math.abs(lat) % 1 * 60, lat < 0 ? 'S' : 'N');
f.format("%03d%07.4f,%c,", (int) Math.abs(lon), Math.abs(lon) % 1 * 60, lon < 0 ? 'W' : 'E');
f.format("%.2f,%.2f,", position.getSpeed(), position.getCourse());
f.format("%1$td%1$tm%1$ty,,", calendar);
}
s.append(Checksum.nmea(s.toString()));
return s.toString();
}
private String calculateStatus(Position position) {
if (position.getAttributes().containsKey(Position.KEY_ALARM)) {
return "0xF841"; // STATUS_PANIC_ON
} else if (position.getSpeed() < 1.0) {
return "0xF020"; // STATUS_LOCATION
} else {
return "0xF11C"; // STATUS_MOTION_MOVING
}
}
public String formatRequest(Position position) {
Device device = Context.getIdentityManager().getDeviceById(position.getDeviceId());
String attributes = MiscFormatter.toJsonString(position.getAttributes());
String request = url
.replace("{name}", device.getName())
.replace("{uniqueId}", device.getUniqueId())
.replace("{deviceId}", String.valueOf(position.getDeviceId()))
.replace("{protocol}", String.valueOf(position.getProtocol()))
.replace("{deviceTime}", String.valueOf(position.getDeviceTime().getTime()))
.replace("{fixTime}", String.valueOf(position.getFixTime().getTime()))
.replace("{valid}", String.valueOf(position.getValid()))
.replace("{latitude}", String.valueOf(position.getLatitude()))
.replace("{longitude}", String.valueOf(position.getLongitude()))
.replace("{altitude}", String.valueOf(position.getAltitude()))
.replace("{speed}", String.valueOf(position.getSpeed()))
.replace("{course}", String.valueOf(position.getCourse()))
.replace("{statusCode}", calculateStatus(position));
if (position.getAddress() != null) {
try {
request = request.replace(
"{address}", URLEncoder.encode(position.getAddress(), StandardCharsets.UTF_8.name()));
} catch (UnsupportedEncodingException error) {
Log.warning(error);
}
}
if (request.contains("{attributes}")) {
try {
request = request.replace(
"{attributes}", URLEncoder.encode(attributes, StandardCharsets.UTF_8.name()));
} catch (UnsupportedEncodingException error) {
Log.warning(error);
}
}
if (request.contains("{gprmc}")) {
request = request.replace("{gprmc}", formatSentence(position));
}
return request;
}
@Override
protected Position handlePosition(Position position) {
Context.getAsyncHttpClient().prepareGet(formatRequest(position)).execute();
return position;
}
}
|
