add border to pdf page using itext

Question

this is my source code. why am I not able to add border to my pdf page even after enabling borders for all sides? I've set border and its color too still I'm not able to add border.

void create() throws DocumentException,IOException{
        // step 1
        Document document = new Document();
        // step 2
        PdfWriter writer=PdfWriter.getInstance(document, new FileOutputStream(RESULT));
        document.setPageSize(PageSize.LETTER);
        document.setMargins(36, 72, 108, 180);
        document.setMarginMirroring(false);
        // step 3
        document.open();
        // step 4
        Rectangle rect= new Rectangle(36,108);
        rect.enableBorderSide(1);
        rect.enableBorderSide(2);
        rect.enableBorderSide(4);
        rect.enableBorderSide(8);
        rect.setBorder(2);
        rect.setBorderColor(BaseColor.BLACK);
        document.add(rect);
         Font font = new Font(Font.FontFamily.TIMES_ROMAN, 26, Font.UNDERLINE, BaseColor.BLACK);
        Paragraph title= new Paragraph("CURRICULUM VITAE\n\n",font);
        title.setAlignment(Element.ALIGN_CENTER);
        document.add(title);
        Font f1= new Font (Font.FontFamily.UNDEFINED, 13, Font.NORMAL, BaseColor.BLACK);
        Paragraph info= new Paragraph("Name\n\nEmail\n\nContact Number",f1);
        Paragraph addr= new Paragraph("Street\n\nCity\n\nPin",f1);
        PdfPTable table = new PdfPTable(2);
        table.setWidthPercentage(100);
        table.spacingAfter();
        PdfPCell cell = new PdfPCell(info);
        cell.setHorizontalAlignment(Element.ALIGN_LEFT);
        cell.disableBorderSide(Rectangle.BOX);
        cell.setExtraParagraphSpace(1.5f);
        table.addCell(cell);
        cell = new PdfPCell(addr);
        cell.setHorizontalAlignment(Element.ALIGN_RIGHT);
        cell.disableBorderSide(Rectangle.BOX);
        cell.setExtraParagraphSpace(1.5f);
        table.addCell(cell);
        document.add(table);
        document.add(new Chunk("\n"));
        document.add(new LineSeparator(2f,100,BaseColor.DARK_GRAY,Element.ALIGN_CENTER,-1f));

Answer 1

1. You didn't define a border width.
2. You're adding the border only once. What if you want the border to appear on every page?

You can fix (1.) by adding:

rect.setBorder(Rectangle.BOX);
rect.setBorderWidth(2);

Note that I would remove the enableBorderSide() calls. You'll notice that you've used the setBorder() method in the wrong way.

To fix (2.), I would use a page event. Note that you can't use document.add() in a page event, so you'll have to do something as described in the DrawRectangle example that was written in answer to the question iText: PdfContentByte.rectangle(Rectangle) does not behave as expected

You didn't define a page size when creating the Document object, which means that iText will be using PageSize.A4. A couple of lines later, you use PageSize.LETTER. These values are immutable Rectangle objects. You can create a new Rectangle using the dimensions/coordinates of PageSize.A4 (or in your case: PageSize.LETTER). You can obtain the dimensions using the getWidth() and getHeight() method and the coordinates using getLeft(), getBottom(), getRight() and getTop().