fjp.java

FreeJaPoll is a free software that make possible to add in a simple way a web-survey to your own s

    catch(FileNotFoundException e){
      temp = e.toString();
    }
    catch(IOException e){
      System.err.println("IO Exception");
      temp = e.toString();
    }
    catch(NumberFormatException e){
      System.err.println("NumberFormatException");
      e.printStackTrace();
      temp = e.toString();
    }
    try{
      if(bufferedReader!=null)
        bufferedReader.close();
    }
    catch(IOException e){}
  }








  /**
   * This method check if there is a cookie on the remote user machine; in affermative case,
   * the vote is not allowed.
   * @param req
   * @return b Boolean that represents the presence of a cookie; false means that a cookie is on
   *           the remote user machine
   */
  private boolean controllaCookie(HttpServletRequest req){
    Cookie[] cookies = req.getCookies();
    boolean b=true;
    if(cookies!=null){
      for(int i=0;i<cookies.length;i++){
        String nome = cookies[i].getName();
        String valore = cookies[i].getValue();
        if(nome.equalsIgnoreCase(HOSTCOOKIE) && valore.equalsIgnoreCase(VOTATO))
          b=false;
        else
          b=true;
      }
    }
    else
      b=true;
    return b;
  }


  /**
   * This method set a cookie on the remote user machine after the vote has taken place.
   * @return c The new-created cookie
   */
  private Cookie aggiungiCookie(){
    Cookie c = new Cookie(HOSTCOOKIE, VOTATO);
    c.setVersion(1);
    c.setMaxAge(60*60*72);
    c.setComment("FreeJaPoll Web Survey by nkanter");
    return c;
  }



  /**
   * This method register the ip of the remote user and add it to the default ip-log file.
   * @param req
   */
  private synchronized void aggiungiIP(HttpServletRequest req){
    File f = new File(IPLOG);
    try{
      f.createNewFile();
    }
    catch(IOException e){
      temp2 = e.toString().concat("-ip log file .nk");
    }
    FileWriter fileWriter = null;
    PrintWriter printWriter = null;
    try{
      fileWriter = new FileWriter(f);
      printWriter = new PrintWriter(fileWriter);
      GregorianCalendar g = new GregorianCalendar();
      printWriter.println(req.getRemoteAddr()+" ; "+g.get(GregorianCalendar.DAY_OF_MONTH));
    }
    catch(IOException e){
      temp2 = e.toString().concat("-ip log file .nk");
    }
    if(printWriter!=null)
      printWriter.close();
  }



  /**
   * This method check if the remote user's ip is already present in the default ip-log file;
   * in affermative case it checks if the log is older than two days; in affermative case
   * it allows the vote
   * @param req
   * @return b This boolean represents if the ip is already present in the default ip-log file
   *           and valid(older than two days) or not
   */
  private boolean controllaIP(HttpServletRequest req){
    boolean b = true;
    FileReader fileReader =null;
    BufferedReader bufferedReader = null;
    try{
      fileReader = new FileReader(IPLOG);
      bufferedReader = new BufferedReader(fileReader);
      String dati = bufferedReader.readLine();
      while(dati!=null){
        StringTokenizer st = new StringTokenizer(dati, ";");
        String s = st.nextToken();
        if(s.trim().equalsIgnoreCase(req.getRemoteAddr().trim())){
          if(st.hasMoreTokens()){
            int i = Integer.parseInt(st.nextToken().trim());
            GregorianCalendar greg = new GregorianCalendar();
            if((i+2)>greg.get(GregorianCalendar.DAY_OF_MONTH))
            b=false;
          }
        }
        dati = bufferedReader.readLine();
      }
    }
    catch(FileNotFoundException e){
      temp2 = e.toString();
    }
    catch(IOException e){
      temp2 = e.toString();
    }
    catch(NumberFormatException e){
      temp2 = e.toString();
    }
    try{
      if(bufferedReader!=null)
        bufferedReader.close();
    }
    catch(IOException e){}
    return b;
  }


  /**
   * If the "noTerrorist" flag is "Yes" this method check the provenience of the remote user;
   * if his request comes from one of the major musulman countries it make voting impossible and
   * it shows a predefinied warning page
   * @param req
   * @return b Boolean that represents the provenience of the remote user; if true the vote is not
   *           allowed and the connection redirected to a warning page
   */
  private boolean controllaTerrorista(HttpServletRequest req){
    boolean b=false;
    if(noTerrorist.equalsIgnoreCase("Yes")){
      String remoteHost = req.getRemoteHost();
      if(remoteHost.endsWith(".af"))
        b=true;
      else if(remoteHost.endsWith(".bd")||remoteHost.endsWith(".dz"))
        b=true;
      else if(remoteHost.endsWith(".eg")||remoteHost.endsWith(".eh"))
        b=true;
      else if(remoteHost.endsWith(".iq")||remoteHost.endsWith(".ir"))
        b=true;
      else if(remoteHost.endsWith(".kg")||remoteHost.endsWith(".kw"))
        b=true;
      else if(remoteHost.endsWith(".kz")||remoteHost.endsWith(".lb"))
        b=true;
      else if(remoteHost.endsWith(".ma")||remoteHost.endsWith(".pk"))
        b=true;
      else if(remoteHost.endsWith(".qa")||remoteHost.endsWith(".sa"))
        b=true;
      else if(remoteHost.endsWith(".sd")||remoteHost.endsWith(".sy"))
        b=true;
      else if(remoteHost.endsWith(".th")||remoteHost.endsWith(".tj"))
        b=true;
      else if(remoteHost.endsWith(".tm")||remoteHost.endsWith(".tn"))
        b=true;
      else if(remoteHost.endsWith(".tr"))
        b=true;
    }
    return b;
  }


  /**
   * This method produces the html response file.
   * @param pw
   */
  private void scriviHTML(PrintWriter pw){
    if(this.headerLink==null || this.headerLink==""){
      pw.println("<HTML>");
      pw.println("<HEAD>");
      pw.println("<TITLE>"+pageTitle+"</TITLE>");
      pw.println("<META HTTP-EQUIV=\"Content-Type\" CONTENT=\"text/html; charset=iso-8859-1\">");
      pw.println("</HEAD>");
      pw.println("<BODY BGCOLOR="+backGroundColor+res1.getString("text_")+textColor+res1.getString("_link_000000_vlink"));
      pw.println("<script>");
      pw.println("function highlight(which,color){");
      pw.println("if (document.all||document.getElementById)");
      pw.println("which.style.backgroundColor=color");
      pw.println("}");
      pw.println("</script>");
    }
    else
      pw.println("<!--#include file=\""+headerLink+"\" -->");
    pw.println("<table width=\"582\" border=\"1\" cellpadding=\"1\" align=\"center\" height=\"241\" bordercolor=\""+tableBorderColor+"\" bgcolor=\""+tableColor+"\">");
    pw.println("  <tr> ");
    pw.println("    <td valign=\"top\"> ");
    pw.println("      <blockquote> ");
    pw.println("        <p>&nbsp;</p>");
    pw.println("      </blockquote>");
    pw.println(res1.getString("_h3_align_center_font")+resultTitle );
    pw.println("      </font></h3>");
    pw.println("      <blockquote> ");
    pw.println("        <blockquote> ");
    pw.println("          <blockquote> ");
    pw.println("            <blockquote> ");
    pw.println("              <h3 align=\"left\">&nbsp;</h3>");
    pw.println("            </blockquote>");
    pw.println("          </blockquote>");
    pw.println("        </blockquote>");
    pw.println(res1.getString("_table_width_700"));
    for(int i=0;i<this.numberOfChoice;i++){
      pw.println("      <tr>");
      pw.println(res1.getString("_td_width_192_font"));
      pw.println(        labelChoose[i]+" => "+ String.valueOf(arrayValori[i])+"</font></td>");
      if(arrayValori[i]!=0)
        pw.println("      <td width=\"468\" height=\"18\" valign=\"middle\"><img src=\""+this.imageBar+"\" width=\""+calcolaMoltiplicatorePercentuale(arrayValori[i]) +"\" height=\"15\"><img src=\""+imageBarEnd +"\" width=\"28\" height=\"15\"></td>");
      else
        pw.println("      <td width=\"468\" height=\"18\" valign=\"middle\"></td>");
      pw.println("    </tr>");
    }
    pw.println("</table>");
    pw.println("      </blockquote>");
    pw.println(res1.getString("_p_align_center_font"));
    pw.println("        <a href=\""+this.returnLink+res1.getString("_onMouseOver"));
    pw.println(this.returnString+"        </a></b></font></p>");
    pw.println("      <blockquote> ");
    pw.println("        <p>&nbsp;</p>");
    pw.println("      </blockquote>");
    pw.println("    </td>");
    pw.println("  </tr>");
    pw.println("</table>");
    pw.println("<p align=\"center\"><img src=\"../immagini/pollo2.jpg\" width=\"61\" height=\"61\"><br><font size=\"2\" face=\"Courier New, Courier, mono\" color=\"#FFFFFF\">Powered by FreeJaPoll 1.0<br>");
    pw.println(" -= by nkanter =-</font></p>");
    if(temp!=null && temp!="")
      pw.println("<p align=\"center\"><font size=\"2\" face=\"Courier New, Courier, mono\" color=\"#000000\">"+temp+"</p>");
    if(temp2!=null && temp2!="")
      pw.println("<p align=\"center\"><font size=\"2\" face=\"Courier New, Courier, mono\" color=\"#000000\">"+temp2+"</p>");
    if(this.footerLink!=null || this.footerLink!=""){
      pw.println("</BODY>");
      pw.println("</HTML>");
    }
    else
      pw.println("<!--#include file= \""+footerLink+"\" -->");
  }




  //////////////
}