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path: root/src/org/traccar/web/PositionServlet.java
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/*
 * Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com)
 *
 * 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.web;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.traccar.Context;
import org.traccar.model.MiscFormatter;
import org.traccar.model.Position;

import java.util.HashMap;
import java.util.Map;

public class PositionServlet extends BaseServlet {

    @Override
    protected boolean handle(String command, HttpServletRequest req, HttpServletResponse resp) throws Exception {

        switch (command) {
            case "/get":
                get(req, resp);
                break;
            case "/devices":
                devices(req, resp);
                break;
            default:
                return false;
        }
        return true;
    }

    private void get(HttpServletRequest req, HttpServletResponse resp) throws Exception {
        long deviceId = Long.parseLong(req.getParameter("deviceId"));
        Context.getPermissionsManager().checkDevice(getUserId(req), deviceId);
        sendResponse(resp.getWriter(), JsonConverter.arrayToJson(
                    Context.getDataManager().getPositions(deviceId,
                            JsonConverter.parseDate(req.getParameter("from")),
                            JsonConverter.parseDate(req.getParameter("to")))));
    }

    private void devices(HttpServletRequest req, HttpServletResponse resp) throws Exception {
        long userId = getUserId(req);
        Map<String, Object> positions = new HashMap<>();

        for (String deviceIdString : req.getParameterValues("devicesId")) {
            Long deviceId = Long.parseLong(deviceIdString);

            Context.getPermissionsManager().checkDevice(userId, deviceId);

            Position position = Context.getConnectionManager().getLastPosition(deviceId);
            positions.put(deviceId.toString(), position);
        }

        sendResponse(resp.getWriter(), MiscFormatter.toJson(positions));
    }
}