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package org.traccar.web;
import javax.json.Json;
import javax.json.JsonObject;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.traccar.Context;
import org.traccar.database.ActiveDevice;
import org.traccar.model.Command;
import org.traccar.model.Device;
public class CommandServlet extends BaseServlet {
@Override
protected boolean handle(String command, HttpServletRequest req, HttpServletResponse resp) throws Exception {
switch (command) {
case "/send":
send(req, resp);
return true;
case "/raw":
raw(req, resp);
return true;
default:
return false;
}
}
public ActiveDevice getActiveDevice(long deviceId) {
ActiveDevice activeDevice = Context.getConnectionManager().getActiveDevice(deviceId);
if (activeDevice == null) {
throw new RuntimeException("The device is not registered on the server");
}
return activeDevice;
}
private void send(HttpServletRequest req, HttpServletResponse resp) throws Exception {
Command command = JsonConverter.objectFromJson(req.getReader(), Command.class);
Context.getPermissionsManager().check(Device.class, getUserId(req), command.getDeviceId());
getActiveDevice(command.getDeviceId()).sendCommand(command);
sendResponse(resp.getWriter(), true);
}
private void raw(HttpServletRequest req, HttpServletResponse resp) throws Exception {
JsonObject json = Json.createReader(req.getReader()).readObject();
long deviceId = json.getJsonNumber("deviceId").longValue();
String command = json.getString("command");
Context.getPermissionsManager().check(Device.class, getUserId(req), deviceId);
getActiveDevice(deviceId).write(command);
sendResponse(resp.getWriter(), true);
}
}
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