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
|
/*
* Copyright 2015 - 2019 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.protocol;
import org.traccar.Protocol;
import org.traccar.StringProtocolEncoder;
import org.traccar.config.Keys;
import org.traccar.helper.Checksum;
import org.traccar.helper.model.AttributeUtil;
import org.traccar.model.Command;
import java.util.Map;
public class MeitrackProtocolEncoder extends StringProtocolEncoder {
public MeitrackProtocolEncoder(Protocol protocol) {
super(protocol);
}
private Object formatCommand(Command command, char dataId, String content) {
String uniqueId = getUniqueId(command.getDeviceId());
int length = 1 + uniqueId.length() + 1 + content.length() + 5;
String result = String.format("@@%c%02d,%s,%s*", dataId, length, uniqueId, content);
result += Checksum.sum(result) + "\r\n";
return result;
}
@Override
protected Object encodeCommand(Command command) {
Map<String, Object> attributes = command.getAttributes();
boolean alternative = AttributeUtil.lookup(
getCacheManager(), Keys.PROTOCOL_ALTERNATIVE.withPrefix(getProtocolName()), command.getDeviceId());
switch (command.getType()) {
case Command.TYPE_POSITION_SINGLE:
return formatCommand(command, 'Q', "A10");
case Command.TYPE_ENGINE_STOP:
return formatCommand(command, 'M', "C01,0,12222");
case Command.TYPE_ENGINE_RESUME:
return formatCommand(command, 'M', "C01,0,02222");
case Command.TYPE_ALARM_ARM:
return formatCommand(command, 'M', alternative ? "B21,1" : "C01,0,22122");
case Command.TYPE_ALARM_DISARM:
return formatCommand(command, 'M', alternative ? "B21,0" : "C01,0,22022");
case Command.TYPE_REQUEST_PHOTO:
int index = command.getInteger(Command.KEY_INDEX);
return formatCommand(command, 'D', "D03," + (index > 0 ? index : 1) + ",camera_picture.jpg");
case Command.TYPE_SEND_SMS:
return formatCommand(command, 'f', "C02,0,"
+ attributes.get(Command.KEY_PHONE) + "," + attributes.get(Command.KEY_MESSAGE));
default:
return null;
}
}
}
|
