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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
|
/*
* Copyright 2015 - 2018 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 com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.inject.assistedinject.Assisted;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.traccar.database.IdentityManager;
import org.traccar.helper.Checksum;
import org.traccar.model.Device;
import org.traccar.model.Position;
import org.traccar.model.Group;
import javax.inject.Inject;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.Entity;
import java.util.HashMap;
import java.util.Map;
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 static final Logger LOGGER = LoggerFactory.getLogger(WebDataHandler.class);
private static final String KEY_POSITION = "position";
private static final String KEY_DEVICE = "device";
private final IdentityManager identityManager;
private final ObjectMapper objectMapper;
private final Client client;
private final String url;
private final boolean json;
public interface Factory {
WebDataHandler create(String url, boolean json);
}
@Inject
public WebDataHandler(
IdentityManager identityManager, ObjectMapper objectMapper, Client client,
@Assisted String url, @Assisted boolean json) {
this.identityManager = identityManager;
this.objectMapper = objectMapper;
this.client = client;
this.url = url;
this.json = json;
}
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) throws UnsupportedEncodingException, JsonProcessingException {
Device device = identityManager.getById(position.getDeviceId());
String request = url
.replace("{name}", URLEncoder.encode(device.getName(), StandardCharsets.UTF_8.name()))
.replace("{uniqueId}", device.getUniqueId())
.replace("{status}", device.getStatus())
.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("{accuracy}", String.valueOf(position.getAccuracy()))
.replace("{statusCode}", calculateStatus(position));
if (position.getAddress() != null) {
request = request.replace(
"{address}", URLEncoder.encode(position.getAddress(), StandardCharsets.UTF_8.name()));
}
if (request.contains("{attributes}")) {
String attributes = objectMapper.writeValueAsString(position.getAttributes());
request = request.replace(
"{attributes}", URLEncoder.encode(attributes, StandardCharsets.UTF_8.name()));
}
if (request.contains("{gprmc}")) {
request = request.replace("{gprmc}", formatSentence(position));
}
if (request.contains("{group}")) {
String deviceGroupName = "";
if (device.getGroupId() != 0) {
Group group = Context.getGroupsManager().getById(device.getGroupId());
if (group != null) {
deviceGroupName = group.getName();
}
}
request = request.replace("{group}", URLEncoder.encode(deviceGroupName, StandardCharsets.UTF_8.name()));
}
return request;
}
@Override
protected Position handlePosition(Position position) {
if (json) {
client.target(url).request().async().post(Entity.json(prepareJsonPayload(position)));
} else {
try {
client.target(formatRequest(position)).request().async().get();
} catch (UnsupportedEncodingException | JsonProcessingException e) {
LOGGER.warn("Forwarding formatting error", e);
}
}
return position;
}
protected Map<String, Object> prepareJsonPayload(Position position) {
Map<String, Object> data = new HashMap<>();
Device device = identityManager.getById(position.getDeviceId());
data.put(KEY_POSITION, position);
if (device != null) {
data.put(KEY_DEVICE, device);
}
return data;
}
}
|
