src/org/traccar/http/CommandsServlet.java


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

package org.traccar.http;

import org.traccar.Context;
import org.traccar.database.ActiveDevice;
import org.traccar.command.CommandType;
import org.traccar.command.GpsCommand;

import javax.json.Json;
import javax.json.JsonObject;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class CommandsServlet extends BaseServlet {

    @Override
    protected boolean handle(String command, HttpServletRequest req, HttpServletResponse resp) throws Exception {
        if (command.equals("/send")) {
            send(req, resp);
        }
        else if (command.equals("/raw")) {
            sendRawCommand(req, resp);
        }
        else {
            return false;
        }
        return true;
    }

    private void send(HttpServletRequest req, HttpServletResponse resp) throws Exception {
        GpsCommand command = JsonConverter.<GpsCommand>enumObjectFromJson(req.getReader(), new EnumFactory(CommandType.class, "type"));

        String uniqueId = command.getUniqueId();

        ActiveDevice activeDevice = Context.getDataManager().getActiveDevice(uniqueId);
        if(activeDevice == null) {
            throw new RuntimeException("The device has not yet registered to the server");
        }

        activeDevice.sendCommand(command);

        sendResponse(resp.getWriter(), JsonConverter.objectToJson(new Object()));
    }

    private void sendRawCommand(HttpServletRequest req, HttpServletResponse resp) throws Exception {
        JsonObject json = Json.createReader(req.getReader()).readObject();
        String uniqueId = json.getString("uniqueId");

        ActiveDevice activeDevice = Context.getDataManager().getActiveDevice(uniqueId);
        if(activeDevice == null) {
            throw new RuntimeException("The device has not yet registered to the server");
        }

        String command = json.getString("command");
        activeDevice.write(command);

        sendResponse(resp.getWriter(), JsonConverter.objectToJson(new Object()));
    }
}