001/**
002 * Copyright (C) 2014  Universidade de Aveiro, DETI/IEETA, Bioinformatics Group - http://bioinformatics.ua.pt/
003 *
004 * This file is part of Dicoogle/dicoogle.
005 *
006 * Dicoogle/dicoogle is free software: you can redistribute it and/or modify
007 * it under the terms of the GNU General Public License as published by
008 * the Free Software Foundation, either version 3 of the License, or
009 * (at your option) any later version.
010 *
011 * Dicoogle/dicoogle is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
014 * GNU General Public License for more details.
015 *
016 * You should have received a copy of the GNU General Public License
017 * along with Dicoogle.  If not, see <http://www.gnu.org/licenses/>.
018 */
019package pt.ua.dicoogle.server.web.servlets.management;
020
021import java.io.IOException;
022import java.util.concurrent.ExecutionException;
023
024import javax.servlet.ServletException;
025import javax.servlet.http.HttpServlet;
026import javax.servlet.http.HttpServletRequest;
027import javax.servlet.http.HttpServletResponse;
028
029import pt.ua.dicoogle.server.web.utils.ResponseUtil;
030import pt.ua.dicoogle.taskManager.RunningIndexTasks;
031
032/**
033*
034* @author Frederico Silva<fredericosilva@ua.pt>
035*/
036public class RunningTasksServlet extends HttpServlet {
037
038        @Override
039        protected void doGet(HttpServletRequest req, HttpServletResponse resp)
040                        throws ServletException, IOException {
041                
042                resp.setContentType("application/json");
043                resp.getWriter().write(RunningIndexTasks.getInstance().toJson());
044        }
045
046        @Override
047        protected void doPost(HttpServletRequest req, HttpServletResponse resp)
048                        throws ServletException, IOException {
049                String action = req.getParameter("action");
050                
051                if(action != null && !action.equals("delete"))
052                {
053                        resp.sendError(400, "action param needed: only delete is supported");
054                }
055                
056                String type = req.getParameter("type");
057                String taskUid = req.getParameter("uid");
058                if(type == null)
059                {
060                        resp.sendError(400,"type param not existent");
061                }
062                if(type.equals("close"))
063                        ResponseUtil.simpleResponse(resp, "removed", RunningIndexTasks.getInstance().removeTask(taskUid));
064                else if(type.equals("stop"))
065                        ResponseUtil.simpleResponse(resp, "stopped", RunningIndexTasks.getInstance().stopTask(taskUid));
066                else
067                        ResponseUtil.simpleResponse(resp, "error", true);
068        }
069        
070
071}