/*
    * This software was designed and created by Jason Carroll.
    * Copyright (c) 2002, 2003, 2004 Jason Carroll.
    * The author can be reached at jcarroll@cowsultants.com
    * ITracker website: http://www.cowsultants.com
    * ITracker forums: http://www.cowsultants.com/phpBB/index.php
    *
    * This program is free software; you can redistribute it and/or modify
    * it only under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   */
  
  package org.itracker.web.servlets;
  
  import java.io.IOException;
  import java.util.Map;
  
  import javax.servlet.ServletException;
  import javax.servlet.ServletOutputStream;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  import javax.servlet.http.HttpSession;
  
  import org.itracker.web.util.Constants;
  
  
  public class ReportChartController extends GenericController {
      
      /**
       *
       */
      private static final long serialVersionUID = 1L;
      
      public ReportChartController() {
      }
      
      public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
          if(! isLoggedIn(request, response)) {
              return;
          }
          
          HttpSession session = request.getSession(false);
          if(session == null) {
              return;
          }
          
          Map<?, ?> imagesMap = (Map<?, ?>) session.getAttribute(Constants.REPORT_IMAGEMAP_KEY);
          
          if(imagesMap != null) {
              String imageName = request.getParameter("image");
              if(imageName != null) {
                  byte[] imageData = (byte[])imagesMap.get(imageName);
                  
                  response.setContentLength(imageData.length);
                  ServletOutputStream ouputStream = response.getOutputStream();
                  ouputStream.write(imageData, 0, imageData.length);
                  ouputStream.flush();
                  ouputStream.close();
              }
          }
      }
  }