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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.helper.CommandCall;
import org.traccar.model.Device;
import org.traccar.model.User;
public class DeviceServlet extends BaseServletResource<Device> {
@Override
protected boolean handle(String command, HttpServletRequest req, HttpServletResponse resp) throws Exception {
switch (command) {
case "/get":
get(req, resp);
break;
case "/add":
add(req, resp);
break;
case "/update":
update(req, resp);
break;
case "/remove":
remove(req, resp);
break;
case "/link":
link(req, resp);
break;
case "/unlink":
unlink(req, resp);
break;
default:
return false;
}
return true;
}
@Override
protected void get(HttpServletRequest req, HttpServletResponse resp) throws Exception {
if (Boolean.parseBoolean(req.getParameter("all"))) {
Context.getPermissionsManager().checkAdmin(getUserId(req));
sendResponse(resp.getWriter(), JsonConverter.arrayToJson(
Context.getDataManager().getAllDevices()));
} else {
long userId;
String userIdParam = req.getParameter("userId");
if (userIdParam != null) {
userId = Long.parseLong(userIdParam);
} else {
userId = getUserId(req);
}
Context.getPermissionsManager().check(User.class, getUserId(req), userId);
sendResponse(resp.getWriter(), JsonConverter.arrayToJson(
Context.getDataManager().getDevices(userId)));
}
}
@Override
protected void add(HttpServletRequest req, HttpServletResponse resp) throws Exception {
super.add(req, resp, new CommandCall<Device>() {
@Override
public void after() throws Exception {
Context.getDataManager().link(Device.class, getUserId(), getEntity().getId());
Context.getPermissionsManager().refresh();
}
});
}
@Override
protected void update(HttpServletRequest req, HttpServletResponse resp) throws Exception {
super.update(req, resp, new CommandCall<Device>() {
@Override
public void check() throws Exception {
Context.getPermissionsManager().check(Device.class, getUserId(), getEntity().getId());
}
});
}
@Override
protected void remove(HttpServletRequest req, HttpServletResponse resp) throws Exception {
super.remove(req, resp, new CommandCall<Device>() {
@Override
public void check() throws Exception {
Context.getPermissionsManager().check(Device.class, getUserId(), getEntity().getId());
}
@Override
public void after() throws Exception {
Context.getPermissionsManager().refresh();
}
});
}
private void link(HttpServletRequest req, HttpServletResponse resp) throws Exception {
Context.getPermissionsManager().checkAdmin(getUserId(req));
Context.getDataManager().link(Device.class,
Long.parseLong(req.getParameter("userId")),
Long.parseLong(req.getParameter("deviceId")));
Context.getPermissionsManager().refresh();
sendResponse(resp.getWriter(), true);
}
private void unlink(HttpServletRequest req, HttpServletResponse resp) throws Exception {
Context.getPermissionsManager().checkAdmin(getUserId(req));
Context.getDataManager().unlink(Device.class,
Long.parseLong(req.getParameter("userId")),
Long.parseLong(req.getParameter("deviceId")));
Context.getPermissionsManager().refresh();
sendResponse(resp.getWriter(), true);
}
}
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