PlaceMap.java
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/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package fi.insomnia.bortal.servlet;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import javax.ejb.EJB;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import fi.insomnia.bortal.beans.EventBeanLocal;
import fi.insomnia.bortal.beans.PlaceMapBeanLocal;
import fi.insomnia.bortal.exceptions.EjbPermissionDeniedException;
/**
*
* @author tuukka
*/
public class PlaceMap extends HttpServlet {
private static final Logger logger = LoggerFactory.getLogger(PlaceMap.class);
/**
*
*/
private static final long serialVersionUID = 8769688627918936258L;
@EJB
private PlaceMapBeanLocal placemapBean;
@EJB
private EventBeanLocal eventBean;
public static final String PARAMETER_EVENT_MAP_ID = "mapid";
public static final String PARAMETER_SELECTED_PLACE_ID = "placeid";
public static final String PARAMETER_CURRENT_USER_ID = "userid";
public static final String PARAMETER_EVENT_ID = "eventid";
/**
* Processes requests for both HTTP <code>GET</code> and <code>POST</code>
* methods.
*
* @param request
* servlet request
* @param response
* servlet response
* @throws ServletException
* if a servlet-specific error occurs
* @throws IOException
* if an I/O error occurs
*/
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
logger.debug("Begin processing request");
// response.setContentType("text/html;charset=UTF-8");
// PrintWriter out = response.getWriter();
ServletOutputStream ostream = null;
try {
// Integer placeId = getIntegerParameter(request,
// PARAMETER_SELECTED_PLACE_ID);
List<Integer> placeIds = getIntegerParameters(request, PARAMETER_SELECTED_PLACE_ID);
Integer mapId = getIntegerParameter(request, PARAMETER_EVENT_MAP_ID);
// Integer userId = getIntegerParameter(request,
// PARAMETER_CURRENT_USER_ID); Tämä saadaan beaneilta.
logger.debug("Mapid: {}", mapId);
response.setContentType("image/jpeg");
ostream = response.getOutputStream();
placemapBean.printPlaceMapToStream(ostream, "jpeg", mapId, placeIds);
logger.debug("Flushing ostream");
ostream.flush();
/*
* TODO output your page here out.println("<html>");
* out.println("<head>");
* out.println("<title>Servlet PlaceMap</title>");
* out.println("</head>"); out.println("<body>");
* out.println("<h1>Servlet PlaceMap at " + request.getContextPath
* () + "</h1>"); out.println("</body>"); out.println("</html>");
*/
} catch (EjbPermissionDeniedException e) {
logger.debug("Permission deniedn. Returning SC_NOT_FOUND!");
response.setContentType("text/html;charset=UTF-8");
response.setStatus(HttpServletResponse.SC_NOT_FOUND);
ostream = response.getOutputStream();
ostream.print("Permission denied!");
} finally {
if (ostream != null) {
ostream.close();
}
}
}
public void addPlacesToMap() {
}
/***
* Convert request parameter into integer
*
* @param request
* @param parameter
* @return
*/
private static Integer getIntegerParameter(HttpServletRequest request, String parameter) {
try {
String valueString = request.getParameter(parameter);
Integer value = Integer.parseInt(valueString);
return value;
} catch (NumberFormatException nfe) {
}
return null;
}
/***
* Convert request parameter into integer
*
* @param request
* @param parameter
* @return
*/
private static List<Integer> getIntegerParameters(HttpServletRequest request, String parameter) {
try {
List<Integer> returnList = new ArrayList<Integer>();
String valueString = request.getParameter(parameter);
if (valueString == null) {
return returnList;
}
String splitted[] = valueString.split(",");
for (String value : splitted) {
try {
returnList.add(Integer.parseInt(value));
} catch (NumberFormatException x) {
}
}
return returnList;
} catch (NumberFormatException nfe) {
}
return null;
}
// <editor-fold defaultstate="collapsed"
// desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
/**
* Handles the HTTP <code>GET</code> method.
*
* @param request
* servlet request
* @param response
* servlet response
* @throws ServletException
* if a servlet-specific error occurs
* @throws IOException
* if an I/O error occurs
*/
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
/**
* Handles the HTTP <code>POST</code> method.
*
* @param request
* servlet request
* @param response
* servlet response
* @throws ServletException
* if a servlet-specific error occurs
* @throws IOException
* if an I/O error occurs
*/
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
/**
* Returns a short description of the servlet.
*
* @return a String containing servlet description
*/
@Override
public String getServletInfo() {
return "Short description";
}// </editor-fold>
}