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/*
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* This program is a part of the IoTa project.
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*
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* Copyright © 2008-2012 Université de Caen Basse-Normandie, GREYC
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* <http://www.gnu.org/licenses/>
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*
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* See AUTHORS for a list of contributors.
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*/
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package fr.unicaen.iota.simulator.server.servlet;
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import fr.unicaen.iota.simulator.server.model.PipeContainer;
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import fr.unicaen.iota.simulator.server.model.PlaceFIFO;
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import java.io.IOException;
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import java.io.PrintWriter;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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/**
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*
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*/
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public class PipeMonitor extends HttpServlet {
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PipeContainer pc = PipeContainer.getInstance();
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/**
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* Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
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* @param request servlet request
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* @param response servlet response
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* @throws ServletException if a servlet-specific error occurs
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* @throws IOException if an I/O error occurs
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*/
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protected void processRequest(HttpServletRequest request, HttpServletResponse response)
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throws ServletException, IOException {
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response.setContentType("text/xml");
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PrintWriter out = response.getWriter();
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try {
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out.write(createXMLResponse());
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out.flush();
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} finally {
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out.close();
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}
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}
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// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
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/**
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* Handles the HTTP <code>GET</code> method.
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* @param request servlet request
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* @param response servlet response
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* @throws ServletException if a servlet-specific error occurs
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* @throws IOException if an I/O error occurs
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*/
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@Override
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protected void doGet(HttpServletRequest request, HttpServletResponse response)
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throws ServletException, IOException {
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processRequest(request, response);
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}
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/**
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* Handles the HTTP <code>POST</code> method.
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* @param request servlet request
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* @param response servlet response
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* @throws ServletException if a servlet-specific error occurs
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* @throws IOException if an I/O error occurs
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*/
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@Override
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protected void doPost(HttpServletRequest request, HttpServletResponse response)
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throws ServletException, IOException {
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processRequest(request, response);
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}
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/**
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* Returns a short description of the servlet.
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* @return a String containing servlet description
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*/
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@Override
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public String getServletInfo() {
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return "Short description";
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}// </editor-fold>
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private String createXMLResponse() {
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StringBuilder res = new StringBuilder("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
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res.append("<simulator>\n");
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for (PlaceFIFO p : pc.getPipes().values()) {
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res.append("\t<pipe>\n");
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res.append("\t\t<name>");
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res.append(p.getPlaceId());
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res.append("</name>\n");
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res.append("\t\t<value>");
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res.append(p.getContentOccupation());
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res.append("</value>\n");
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res.append("\t\t<remainingTravel>");
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res.append(p.getRemainingTime());
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res.append("</remainingTravel>\n");
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res.append("\t</pipe>\n");
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}
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res.append("</simulator>\n");
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return res.toString();
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}
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}
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