regarding pdf Creation using iText

[santhosh kumar vk]

hi,

This is Santhosh i am developing pdf using iText.jar, I want to merge my created pdf with existing pdf.

below code is my created pdf , how to merge new pdf with my created pdf

  public void doGet(HttpServletRequest httpservletrequest, HttpServletResponse httpservletresponse)
    throws ServletException, IOException
  {
    HttpSession httpsession = httpservletrequest.getSession(true);
    try
    {  
        
       
        
      String s = "";
      String s1 = "";
      String s2 = "";
      String s3 = "";
      httpservletresponse.setContentType("application/pdf");
      httpservletresponse.setHeader("Cache-Control", "max-age=18");
      httpservletresponse.setHeader("Content-Disposition", "inline");
      String s4 = httpservletrequest.getParameter("mode") == null ? "PRINT" : httpservletrequest.getParameter("mode");
      wri("ls_printFlag*******>" + s4);
      String s5 = httpservletrequest.getParameter("hf_mailSend") == null ? "N" : httpservletrequest.getParameter("hf_mailSend");
      try {
            List pdfs = new ArrayList();
            pdfs.add(new FileInputStream("/srv/jboss_124/server/default/deploy/skanray.ear/skanray.war/upload/Essential Java for Scientists and Engineers.pdf"));
            pdfs.add(new FileInputStream("/srv/jboss_124/server/default/deploy/skanray.ear/skanray.war"
                            +"/upload/Professional Eclipse 3 for Java Developers - ISBN 0470020059.pdf"));
            OutputStream output = new FileOutputStream("/srv/jboss_124/server/default/deploy/skanray.ear/skanray.war/upload/merge.pdf");
            concatPDFs(pdfs, output, true);
        } catch (Exception e) {
            e.printStackTrace();
        }
      wri("ls_emailFlag=========>" + s5);
      if (s4.equalsIgnoreCase("PRINT"))
        lb_flag = false;
      if (s5.equalsIgnoreCase("Y"))
      {
        lb_flag = true;
        lsa_to = httpservletrequest.getParameter("tf_to");
        wri("lsa_to=>" + lsa_to);
        lsa_cc = httpservletrequest.getParameter("tf_cc");
        wri("lsa_cc=====>" + lsa_cc);
        lsa_bcc = httpservletrequest.getParameter("tf_bcc");
        wri("lsa_bcc========>" + lsa_bcc);
        lsa_subject = httpservletrequest.getParameter("tf_subject");
        wri("lsa_subject========>" + lsa_subject);
        lsa_mesg = httpservletrequest.getParameter("txt_mesg");
        wri("lsa_mesg=====>" + lsa_mesg);
        lsa_from = httpservletrequest.getParameter("tf_from");
        wri("lsa_from=====>" + lsa_from);
        lsa_smtp = httpservletrequest.getParameter("tf_smtphost");
        wri("lsa_smtp====>" + lsa_smtp);
      }
      String[] as = (String[])httpsession.getAttribute("sl.salesOrder.isa_companyAddress");
      for (int i = 0; i < as.length; i++) {
        wri("the values are ******" + as[i]);
      }
      String s6 = "21:30";
      wri("After Time");
      SalesOrder salesorder = (SalesOrder)httpsession.getAttribute("SL.order.printmaster");
      wri("sqObj.getFob()******" + salesorder.getFob());
      wri("sqObj.getShipVia()*****" + salesorder.getShipVia());
      wri("sqObj.getValidTillDate()***" + salesorder.getSoDate());
      Vector vector = (Vector)httpsession.getAttribute("SL.order.printitems");
      wri("lv_sqDetails.size()=====>" + vector.size());
      String[][] as1 = new String[vector.size()][7];
      String[] as2 = new String[1];
      BigDecimal bigdecimal = new BigDecimal(0.0D);
      BigDecimal bigdecimal1 = new BigDecimal(0.0D);
      for (int j = 0; j < vector.size(); j++)
      {
        SalesOrderDetails salesorderdetails = new SalesOrderDetails();
        salesorderdetails = (SalesOrderDetails)vector.elementAt(j);
        as1[j][0] = String.valueOf(j + 1);
        as1[j][1] = salesorderdetails.getItemNo();
        as1[j][2] = salesorderdetails.getDescription();
        as1[j][3] = salesorderdetails.getQty();
        as1[j][4] = salesorderdetails.getPromiseDate();
        as1[j][5] = salesorderdetails.getDiscPrice();
        BigDecimal bigdecimal2 = new BigDecimal(as1[j][3]).multiply(new BigDecimal(as1[j][5]));
        String s7 = bigdecimal2 + "";
        System.out.println("Value of Amount newamt ======> " + s7);
        as1[j][6] = s7;
        System.out.println("Value of Final finalAmt ======> " + s7);
        bigdecimal = bigdecimal.add(new BigDecimal(as1[j][6] == null ? "0" : as1[j][6]));
      }

      wri("After line item details");
      byte byte0 = 25;
      if (!lb_flag)
      {
        String s8 = salesorder.getTotal();
        wri("The subTotal inside if(!lb_flag)=" + s8);
        s2 = bigdecimal.toString();
        s3 = salesorder.getTerms();
        if (s3.equals(""))
        {
          String[] as4 = { "", "0.00", "" };

          s8 = as4[0];
          s2 = as4[1];
          s3 = as4[2];
        }
        String[] as5 = new String[3];
        as5[0] = s8;
        as5[1] = s2;
        as5[2] = s3;
        httpsession.setAttribute("sl.quote.miscdata", as5);
      }
      else {
        String[] as3 = (String[])httpsession.getAttribute("sl.so.miscdata");
        String s10 = as3[0];
        s2 = as3[1];
        s3 = as3[2];
      }
      wri("After subTotal");
      String s9 = (String)httpsession.getAttribute("sl.so.printmode") == null ? "" : (String)httpsession.getAttribute("sl.so.printmode");
      if (s9.equals(""))
      {
        s = httpservletrequest.getParameter("tf_mode") == null ? "" : httpservletrequest.getParameter("tf_mode");
        httpsession.setAttribute("sl.so.printmode", s);
      }
      else {
        s = s9;
      }
      wri("2...After misdData");
      String[] as6 = new String[32];
      String s11 = salesorder.getFob();
      if (s11.equals(null)) {
        s11 = "";
      }
      else if (s11.equalsIgnoreCase("O")) {
        s11 = "Origin";
      }
      else if (s11.equalsIgnoreCase("D"))
        s11 = "Destination";
      wri("After fob");
      String s12 = salesorder.getHrEmpId();
      String s13 = salesorder.getCustomerName();
      String[] as7 = { "lsa_argAM" };

      String[] as8 = { "" };

      s12 = salesorder.getSalesContact();
      wri("ls_AM********>" + s12);
      String[][] as9 = { { "Valid Till Date ", salesorder.getSoDate() }, { "Terms", s3 }, { "Sales Contact", s12 } };

      String[][] as10 = { { "Ship Via", salesorder.getShipVia() }, { "FOB", s11 } };

      wri("After namR, namT declaration");
      String s14 = salesorder.getContactName().toUpperCase();
      if (s14.trim().startsWith("UNAVAILABLE"))
        s14 = "";
      String[][] as11 = { { "SO #", salesorder.getSoNo() }, { "SO Date", salesorder.getSoDate() }, { "Contact Name ", s14 } };

      wri("After namL declaration");
      String s15 = "";
      s15 = salesorder.getBillCity() + ", " + salesorder.getBillState() + " " + salesorder.getBillZip();
      String[] as12 = { "", s13, salesorder.getBillAddress(), s15, salesorder.getBillCountry() };

      String[] as13 = formatAddress(as12, 2);
      String s16 = "";
      s16 = salesorder.getShipCity() + ", " + salesorder.getShipState() + " " + salesorder.getShipZip();
      String[] as14 = { "", s13, salesorder.getShipAddress(), s16, salesorder.getShipCountry() };

      String[] as15 = formatAddress(as14, 2);
      String[] as16 = { "No.", "Item #", "Description", "Order Qty", "Promise Date", "Price", "Amount" };

      float[] af = { 5.0F, 18.0F, 38.0F, 10.0F, 11.0F, 14.0F, 18.0F };

      String[] as17 = { "30", "30", "30", "30" };

      String s17 = salesorder.getNotes();
      RemoveEnter removeenter = new RemoveEnter(s17);
      String[] as18 = removeenter.getArray();
      int k = as18.length;
      String[] as19 = new String[k + 1];
      as19[0] = " ";
      for (int l = 1; l <= k; l++) {
        as19[l] = as18[(l - 1)];
      }
      int[] ai = { 0, 5, 6 };

      int[] ai1 = { 3, 4 };
      try
      {
        ByteArrayOutputStream bytearrayoutputstream = new ByteArrayOutputStream();
        ImageHeader imageheader = new ImageHeader(bytearrayoutputstream);
        imageheader.setDocumentSize(as17);
        imageheader.setAddressInfo(as);
        imageheader.setHeader(new String("SALES ORDER"));
        imageheader.setDate("Date:", (String)httpsession.getAttribute("is_curDate") == null ? "" : (String)httpsession.getAttribute("is_curDate"));
        imageheader.setTime("Time:", s6 == null ? "" : s6);
        imageheader.setOrientation("portrait");
        imageheader.setImageByte(getCompLogo(httpsession));
        imageheader.setFooterFlag(true);
        imageheader.createImageHeader();
        NewLine newline = new NewLine(imageheader.returnDoc(), 19);
        addr = new Address(newline.returnDoc());
        AddText addtext = new AddText(addr.returnDoc());
        addtext = new AddText(addtext.returnDoc(), "", "ALIGN_LEFT");
        int[] ai2 = { 60, 30 };

        addr.setAddress("Bill To Address \n", as13, "Ship To Address \n", as15, ai2);
        newline = new NewLine(addr.returnDoc());
        addtext = new AddText(newline.returnDoc(), "", "ALIGN_LEFT");
        newline = new NewLine(addtext.returnDoc());
        mdata = new MiscData(newline.returnDoc());
        int[] ai3 = { 13, 22, 16, 27, 8, 14 };

        mdata.setWidthPercent(ai3);
        mdata.setMiscData(as11, as9, as10);
        newline = new NewLine(mdata.returnDoc(), 6);
        wri("Before Table Feed!");
        tab = new AddTable(newline.returnDoc(), as16, as1, af);
        tab.feedData(ai, ai1, imageheader.returnWriter(), imageheader.returnTable(), mdata.returnTable());
        wri("sqObj.getTotalDiscount()" + salesorder.getTotalDiscounts());
        wri("sqObj.getTaxAmount()\t" + salesorder.getTotalDiscounts());
        wri("sqObj.getShippingCharges()" + salesorder.getShippingCharges());
        wri("sqObj.getInsurance()\t" + salesorder.getInsurance());
        String s18 = salesorder.getTotalDiscounts();
        String s19 = salesorder.getTaxAmount();
        wri(" ls_taxAmount" + s19);
        String s20 = salesorder.getShippingCharges();
        String s21 = salesorder.getInsurance();
        BigDecimal bigdecimal3 = new BigDecimal(0.0D);
        bigdecimal3 = bigdecimal3.add(new BigDecimal(s19 == null ? "0" : s19));
        bigdecimal3 = bigdecimal3.add(new BigDecimal(s20 == null ? "0" : s20));
        bigdecimal3 = bigdecimal3.add(new BigDecimal(s21 == null ? "0" : s21));
        wri("ls_subTotal*******>" + s2);
        bigdecimal3 = bigdecimal3.add(new BigDecimal(s2 == null ? "0" : s2));
        bigdecimal3 = bigdecimal3.subtract(new BigDecimal(s18 == null ? "0" : s18));
        String s22 = bigdecimal3.toString();
        String[][] as20 = { { "Sub-Total  ", Float.parseFloat(s2) == 0.0F ? " " : currencyFormat(s2) },
        { "Total Discount ", Float.parseFloat(s18) == 0.0F ? " " : currencyFormat(s18) }, { "Tax Amount     ", 
          Float.parseFloat(s19) == 0.0F ? " " : currencyFormat(s19) }, { "S & H          ", 
          Float.parseFloat(s20) == 0.0F ? " " : currencyFormat(s20) }, { "Insurance      ", 
        Float.parseFloat(s21) == 0.0F ? " " : currencyFormat(s21) }, { "Total          ", 
          Float.parseFloat(s22) == 0.0F ? " " : currencyFormat(s22) } };

        String[][] as21 = { { "Sub-Total  ", Float.parseFloat(s2) == 0.0F ? " " : currencyFormat(s2) }, 
          { "Tax Amount     ", Float.parseFloat(s19) == 0.0F ? " " : currencyFormat(s19) }, 
           { "S & H          ", Float.parseFloat(s20) == 0.0F ? " " : currencyFormat(s20) }, { "Insurance      ",
            Float.parseFloat(s21) == 0.0F ? " " : currencyFormat(s21) }, { "Total          ", 
            Float.parseFloat(s22) == 0.0F ? " " : currencyFormat(s22) } };

        wri("After Table Feed!");
        mdata1 = new MiscData(tab.returnDoc());
        int[] ai4 = { 10, 15 };

        if (new BigDecimal(s18).signum() == 0)
          mdata1.setMiscData(as21, ai4, imageheader.returnWriter(), imageheader.returnTable(), mdata.returnTable());
        else
        mdata1.setMiscData(as20, ai4, imageheader.returnWriter(), imageheader.returnTable(), mdata.returnTable());
        notes = new Notes(mdata1.returnDoc());
        notes.setNotes(as19, imageheader.returnWriter(), imageheader.returnTable(), mdata.returnTable());
        notes.close();
        if (s4.equalsIgnoreCase("EMAIL"))
        {
          wri("inside if EMAIL");
          Vector vector1 = (Vector)httpsession.getAttribute("compEmailServer") == null ? new Vector() : (Vector)httpsession.getAttribute("compEmailServer");
          String s23 = "";
          String s24 = "";
          wri("After session");
          String s25 = (String)httpsession.getAttribute("is_companyEmailId") == null ? "" : (String)httpsession.getAttribute("is_companyEmailId");
          wri("lv_emailServer.size()*****" + vector1.size());
          if(vector1.size() > 0)
          {
            s23 = (String)vector1.get(0);
            s24 = (String)vector1.get(1);
            wri("ls_compEmailServer========>" + s23);
            wri("ls_fromEmailId====>" + s24);
          }
          if ((s24 == null) || (s24.trim().length() <= 0))
            s24 = s25;
          String s26 = "";
          try
          {
            String[] as22 = { "test inside", "D" };

            String[] as23 = { "[e-mail]" };
            String s27;
            if ((!as23[0].equalsIgnoreCase("NoRecord")) && (!getAttribute(as23, 0).equals("null")))
              s27 = getAttribute(as23, 0);
          }
          catch (RuntimeException runtimeexception)
          {
            String s27;
            wri("Exception in inside email" + runtimeexception);
            return;
          }
          wri("inside email");
          PrintWriter printwriter1 = httpservletresponse.getWriter();
          buf = bytearrayoutputstream.toByteArray();
          httpservletresponse.setContentType("text/html");
          printwriter1.println("<HTML>");
          printwriter1.println("<HEAD>");
          printwriter1.println("<META HTTP-EQUIV= Content-Type  CONTENT= text/html;CHARSET=iso-8859-1 >");
          printwriter1.println("<LINK REL='stylesheet' TYPE='text/css' HREF='com/neterp/granada/common/mail.css'> ");
          printwriter1.println("<SCRIPT LANGUAGE = 'javascript' SRC ='com/neterp/granada/common/utils.js'></SCRIPT>");
          printwriter1.println("<SCRIPT>");
          printwriter1.println("var Status = 0");
          printwriter1.println("var users = new Image();");
          printwriter1.println("var rooms = new Image();");
          printwriter1.println("var buddies = new Image();");
          printwriter1.println("var images = new Image();");
          printwriter1.println("var forums = new Image();");
          printwriter1.println("var areas = new Image();");
          printwriter1.println("var help = new Image();");
          printwriter1.println("var exit = new Image();");
          printwriter1.println("var usersx = new Image();");
          printwriter1.println("var roomsx = new Image();");
          printwriter1.println("var buddiesx = new Image();");
          printwriter1.println("var imagesx = new Image();");
          printwriter1.println("var forumsx = new Image();");
          printwriter1.println("var areasx = new Image();");
          printwriter1.println("var helpx = new Image();");
          printwriter1.println("var exitx = new Image();");
          printwriter1.println("function onSend(){\t\tdocument.QUOTEPDF.hf_mailSend.value = 'Y';  \tdocument.QUOTEPDF.submit();  }");
          printwriter1.println("function makeclose(){\tparent.close();}");
          printwriter1.println("function openHelp(){\twind_name=window.open('/forums/forums/neterp/granada/help/help.htm',"
            +"'help','top=75,left=50,toolbar=no,resizable=yes,menubar=no,width=690,height=400,scrollbars=yes');}");
          printwriter1.println("</SCRIPT>");
          printwriter1.println("<TITLE>Granada - Mail Composer</TITLE></HEAD><body bgcolor='#FFFFFF' text='#000000' leftmargin='0' topmargin='0' marginwidth='0' marginheight='0'>"
+"<table width='100%' border='0' cellspacing='0' cellpadding='0'>\t<tr>\t\t<td height='26' class='table_bg' width='43%' valign='middle'>"
+"   Mail Composer</td>\t\t<td height='26' class='table_bg' align='right' width='57%' valign='middle'>\t\t\t\t"
+"<a href='#' onClick = 'return onSend();' onMouseOver = window.document.images['Image13'].src='img/en/send_down.gif'; "
+"onMouseOut = window.document.images['Image13'].src='img/en/send_up.gif'; >"
+"<img name='Image13' border='0' src='img/en/send_up.gif' align='absmiddle' alt='Send'>"
+"</a>\t\t\t\t<a href='#' onMouseOver = window.document.images['Image4'].src='img/en/reset_down.gif';"
+" onMouseOut = window.document.images['Image4'].src='img/en/reset_up.gif'; >"
+"<img name='Image4' src='img/en/reset_up.gif' border='0' width='50' height='16' align='absmiddle' alt='Reset'></a>"
+"\t\t\t\t<a href='#' onClick='openHelp()' onMouseOver = window.document.images['Image5'].src='img/en/help_down.gif';"
+" onMouseOut = window.document.images['Image5'].src='img/en/help_up.gif'; >"
+"<img name='Image5' src='img/en/help_up.gif' border='0' align='absmiddle' alt='Help'></a>"
+"\t\t\t\t<a href='#' onClick='makeclose()' onMouseOver = window.document.images['Image6'].src='img/en/close_down.gif';"
+"onMouseOut = window.document.images['Image6'].src='img/en/close_up.gif'; >"
+"<img name='Image6' src='img/en/close_up.gif' border='0' align='absmiddle' alt='Close'></a> \t\t</td>\t</tr>\t<tr>"
+"\t\t<td colspan='2' valign='middle'><img src='img/en/trans.gif' width='1' height='1'></td>\t</tr>\t<tr>\t\t"
+"<td class='border' colspan='2' valign='middle'><img src='img/en/trans.gif' width='1' height='1'></td>\t</tr>\t<tr valign='top'>"
+"\t\t<td colspan='2'><img src='img/en/trans.gif' width='1' height='15'></td>\t</tr>\t<tr valign='top'>\t\t"
+"<td colspan='2'> \t\t\t<FORM ACTION=/india/servlet/com.neterp.granada.sl.SL_QUOTEPDF METHOD=GET "
+" ENCTYPE=application/x-www-form-urlencoded NAME=QUOTEPDF>\t\t\t\t<INPUT TYPE='HIDDEN' NAME='hf_mailSend' VALUE='N'>"
+"\t\t\t\t<table border='0' cellspacing='0' cellpadding='0' class='txt' align='center' width='780'>\t\t\t\t\t"
+"<tr valign='top'>\t\t\t\t\t\t<td class='txt'>\t\t\t\t\t\t\t<table width='100%' border='0' cellspacing='0' cellpadding='0'>"
+"\t\t\t\t\t\t\t\t<tr valign='top'>\t\t\t\t\t\t\t\t\t<td class='txt' colspan='5'>\t\t\t\t\t\t\t\t\t\t"
+"<table width='100%' border='0' cellspacing='0' cellpadding='0'>\t\t\t\t\t\t\t\t\t\t\t<tr>\t\t\t\t\t\t\t\t\t\t\t\t"
+"<td class='txt' width='7%' align='right'>SMTP : </td>\t\t\t\t\t\t\t\t\t\t\t\t<td class='txt' width='93%'>"
+"\t\t\t\t\t\t\t\t\t\t\t\t\t<INPUT TYPE='TEXT'  NAME='tf_smtphost' Value='" + s23 + "' SIZE='15' class='txtbox'>" 
+ "\t\t\t\t\t\t\t\t\t\t\t\t\t    From :"
 + "\t\t\t\t\t\t\t\t\t\t\t\t\t<INPUT TYPE='TEXT'  NAME='tf_from' Value='" + s24 + "'  SIZE='15' class='txtbox'>" 
+ "\t\t\t\t\t\t\t\t\t\t\t\t</td>" + "\t\t\t\t\t\t\t\t\t\t\t</tr>" + "\t\t\t\t\t\t\t\t\t\t\t<tr>" + "\t\t\t\t\t\t\t\t\t\t\t\t<td class='txt' colspan='2'>"
+"<img src='img/en/trans.gif' width='1' height='7'></td>" 
+ "\t\t\t\t\t\t\t\t\t\t\t</tr>" + "\t\t\t\t\t\t\t\t\t\t\t<tr>" + "\t\t\t\t\t\t\t\t\t\t\t\t<td class='txt' width='7%' align='right'>To : </td>"
 + "\t\t\t\t\t\t\t\t\t\t\t\t<td class='txt' width='93%'>" + "\t\t\t\t\t\t\t\t\t\t\t\t\t<INPUT TYPE='TEXT'  NAME='tf_to'  SIZE='68' class='txtbox_big' >" 
+ "\t\t\t\t\t\t\t\t\t\t\t\t</td>" 
+ "\t\t\t\t\t\t\t\t\t\t\t</tr>" + "\t\t\t\t\t\t\t\t\t\t\t<tr>" + "\t\t\t\t\t\t\t\t\t\t\t\t<td class='txt' colspan='2'>"
+"<img src='img/en/trans.gif' width='1' height='7'></td>"
+ "\t\t\t\t\t\t\t\t\t\t\t</tr>" + "\t\t\t\t\t\t\t\t\t\t\t<tr>" 
+ "\t\t\t\t\t\t\t\t\t\t\t\t<td class='txt' width='7%' align='right'>CC : </td>" + "\t\t\t\t\t\t\t\t\t\t\t\t<td class='txt' width='93%'>" 
+ "\t\t\t\t\t\t\t\t\t\t\t\t\t<INPUT TYPE='TEXT'  NAME='tf_cc'  SIZE='68' class='txtbox_big'>" + "\t\t\t\t\t\t\t\t\t\t\t\t</td>" + "\t\t\t\t\t\t\t\t\t\t\t</tr>" 
+ "\t\t\t\t\t\t\t\t\t\t\t<tr>" + "\t\t\t\t\t\t\t\t\t\t\t\t<td class='txt' colspan='2'><img src='img/en/trans.gif' width='1' height='7'></td>" 
+ "\t\t\t\t\t\t\t\t\t\t\t</tr>" + "\t\t\t\t\t\t\t\t\t\t\t<tr>" + "\t\t\t\t\t\t\t\t\t\t\t\t<td class='txt' width='7%' align='right'>BCC : </td>" 
+ "\t\t\t\t\t\t\t\t\t\t\t\t<td class='txt' width='93%'>" + "\t\t\t\t\t\t\t\t\t\t\t\t\t<INPUT TYPE='TEXT' NAME='tf_bcc'  SIZE='68' class='txtbox_big'>"
+ "\t\t\t\t\t\t\t\t\t\t\t\t</td>"  + "\t\t\t\t\t\t\t\t\t\t\t</tr>" + "\t\t\t\t\t\t\t\t\t\t\t<tr>" + "\t\t\t\t\t\t\t\t\t\t\t\t<td class='txt' colspan='2'>"
+"<img src='img/en/trans.gif' width='1' height='7'></td>" + "\t\t\t\t\t\t\t\t\t\t\t</tr>" + "\t\t\t\t\t\t\t\t\t\t\t<tr>" 
+ "\t\t\t\t\t\t\t\t\t\t\t\t<td class='txt' align='right' width='7%'>Subject : </td>" + "\t\t\t\t\t\t\t\t\t\t\t\t<td class='txt' width='93%'>"
 + "\t\t\t\t\t\t\t\t\t\t\t\t\t<INPUT TYPE='TEXT'  NAME='tf_subject'  SIZE='68' class='txtbox_big'>" + "\t\t\t\t\t\t\t\t\t\t\t\t</td>"
 + "\t\t\t\t\t\t\t\t\t\t\t</tr>" + "\t\t\t\t\t\t\t\t\t\t\t<tr>" 
+ "\t\t\t\t\t\t\t\t\t\t\t\t<td class='txt' colspan='2'><img src='img/en/trans.gif' width='1' height='7'></td>" 
+ "\t\t\t\t\t\t\t\t\t\t\t</tr>" + "\t\t\t\t\t\t\t\t\t\t\t<tr align='center'>" + "\t\t\t\t\t\t\t\t\t\t\t\t<td class='txt' colspan='2'>" 
+ "\t\t\t\t\t\t\t\t\t\t\t\t\t<TEXTAREA NAME='txt_mesg'  ROWS='19'  COLS='92' style='overflow:auto' class='txtareabox_big2'></TEXTAREA>" 
+ "\t\t\t\t\t\t\t\t\t\t\t\t</td>" + "\t\t\t\t\t\t\t\t\t\t\t</tr>" + "\t\t\t\t\t\t\t\t\t\t</table>" + "\t\t\t\t\t\t\t\t\t</td>" + "\t\t\t\t\t\t\t\t</tr>" 
+ "\t\t\t\t\t\t\t</table>" + "\t\t\t\t\t\t</td>" + "\t\t\t\t\t</tr>" 
+ "\t\t\t\t</table>" + "\t\t\t</form>" + "\t\t</td>" + "\t</tr>" + "</table>" + "</body>" + "</html>");
        }
        else {
          httpservletresponse.setContentType("application/pdf");
          synchronized (this)
          {
            wri("inside elsePdf********");
            ServletOutputStream servletoutputstream = httpservletresponse.getOutputStream();
            buf = bytearrayoutputstream.toByteArray();
            httpservletresponse.setContentLength(buf.length);
            httpservletresponse.setBufferSize(buf.length);
            bytearrayoutputstream.writeTo(servletoutputstream);
            bytearrayoutputstream.flush();
            bytearrayoutputstream.close();
    
     
          }
        }
        if (lb_flag)
        {
          wri("15");
          mail = new Mail(lsa_smtp);
          wri("lsa_smtp=====>" + lsa_smtp);
          mail.setFrom(lsa_from);
          wri("lsa_from====>" + lsa_from);
          mail.setTo(lsa_to);
          wri("lsa_to====>" + lsa_to);
          mail.setCc(lsa_cc);
          wri("lsa_cc=====>" + lsa_cc);
          mail.setBcc(lsa_bcc);
          wri("lsa_bcc====>" + lsa_bcc);
          mail.setSubject(lsa_subject);
          wri("lsa_subject===>" + lsa_subject);
          mail.setDate();
          mail.setBody(lsa_mesg);
          wri("lsa_mesg====>" + lsa_mesg);
          mail.setAttachmentName("SL Quotation");
          buf = bytearrayoutputstream.toByteArray();
          mail.setAttachment(buf);
          boolean flag = mail.sendMsg();
          wri("lb_result=========>" + flag);
          lb_flag = false;
        }
        bytearrayoutputstream.close();
      }
      catch (FileNotFoundException filenotfoundexception)
      {
        filenotfoundexception.printStackTrace();
        PrintWriter printwriter = httpservletresponse.getWriter();
        printwriter.println("<SCRIPT>    alert('Exception Occured !! Try sending later');    this.close(); </SCRIPT>");
      }
    }
    catch (Exception exception)
    {
      wri("error====>" + exception.toString());
      return;
    }
  }   

[Lester Burnham]

iText comes with several tool classes in the com.lowagie.tools package; check out the ConcatPdf class in particular.