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package fr.ubdx1.jacomode.controler;
import java.util.ArrayList;
import java.io.IOException;
//import java.io.PrintWriter;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.directwebremoting.WebContext;
import org.directwebremoting.WebContextFactory;
public class Content extends HttpServlet
{
String urlMain = null;
String urlAbout = null;
String urlResultGlobal = null;
String urlProcessNewFile = null;
String urlResultTable = null;
String urlErrors = null;
ArrayList errors = new ArrayList();
/**
* Init like as java constructor
*/
@Override
public void init()
{
ServletConfig config = getServletConfig();
urlMain = config.getInitParameter("urlMain");
if (urlMain == null)
{
errors.add("Parameter [urlMain] are not initialized");
}
urlAbout = config.getInitParameter("urlAbout");
if (urlAbout == null)
{
errors.add("Parameter [urlAbout] are not initialized");
}
urlResultGlobal = config.getInitParameter("urlResultGlobal");
if (urlResultGlobal == null)
{
errors.add("Parameter [urlResultGlobal] are not initialized");
}
urlProcessNewFile = config.getInitParameter("urlProcessNewFile");
if (urlProcessNewFile == null)
{
errors.add("Parameter [urlProcessNewFile] are not initialized");
}
urlResultTable = config.getInitParameter("urlResultTable");
if (urlResultTable == null)
{
errors.add("Parameter [urlResultTable] are not initialized");
}
urlErrors = config.getInitParameter("urlErrors");
}
/**
* 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
{
response.setContentType("text/html;charset=UTF-8");
// Check if servet has got all url param at not null
if(urlErrors==null) throw new ServletException("Parameter [urlErrors] are not initialized");
// If some error are detected
if (errors.size()!=0)
{
// Go to error web page
request.setAttribute("errors",errors);
getServletContext().getRequestDispatcher(urlErrors).forward(request,response);
}
else
{
getServletContext().getRequestDispatcher(urlMain).forward(request,response);
}
return;
}
// <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>
public String getInclude(String url) throws ServletException, IOException
{
WebContext wctx = WebContextFactory.get();
String urlForwarding = null;
url = createURL(url);
if (url.equals(urlAbout) || url.equals(urlMain) || url.equals(urlProcessNewFile) || url.equals(urlResultGlobal) || url.equals(urlResultTable) )
{
urlForwarding = wctx.forwardToString(url);
}
else
{
urlForwarding = wctx.forwardToString(createURL(urlErrors));
}
return urlForwarding;
}
private String createURL(String url)
{
String newUrl = "/pages/";
return newUrl+url+".jsp";
}
} |
