an iText 5 Outline example to implement two columned target

Support01.java

package com.itextpdf;

import com.itextpdf.text.Document;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.pdf.PdfDestination;
import com.itextpdf.text.pdf.PdfOutline;
import com.itextpdf.text.pdf.PdfPTable;
import com.itextpdf.text.pdf.PdfWriter;

import java.io.FileOutputStream;

public class Support01 {
    private static void addParagraphs(Document document, int count) throws Exception {
        for(int i=0;i<count;i++) {
            Paragraph p = new Paragraph("This is a Paragraph#"+i);
            document.add(p);
        }
    }

    private static void addTable(Document document, PdfWriter pdfWriter) throws Exception {
        PdfPTable table = new PdfPTable(2);
        table.addCell("First cell");
        table.addCell("Second cell");
        // Two cells have shared Y position.
        PdfDestination sharedDest = new PdfDestination(PdfDestination.FITH, pdfWriter.getVerticalPosition(false));
        PdfOutline firstCellOutline = new PdfOutline(pdfWriter.getRootOutline(), sharedDest, "First Cell");
        PdfOutline secondCellOutline = new PdfOutline(pdfWriter.getRootOutline(), sharedDest, "Second Cell");

        document.add(table);
    }

    private static void addTableAbsolute(Document document, PdfWriter pdfWriter) throws Exception {
        PdfPTable table = new PdfPTable(2);
        table.setTotalWidth(400);
        table.addCell("1st abs. Cell");
        table.addCell("2nd abs. Cell");
        float yPos = 200;
        // Two cells have shared Y position.
        PdfDestination sharedDest = new PdfDestination(PdfDestination.FITH, yPos);
        PdfOutline firstCellOutline = new PdfOutline(pdfWriter.getRootOutline(), sharedDest, "1st abs. Cell");
        PdfOutline secondCellOutline = new PdfOutline(pdfWriter.getRootOutline(), sharedDest, "2nd abs. Cell");

        table.writeSelectedRows(0, -1,  0, yPos, pdfWriter.getDirectContent());
    }

    private static void createPdfWithTableAndOutline() throws Exception {
        Document document = new Document();
        FileOutputStream fos = new FileOutputStream("tableoutline.pdf");
        PdfWriter pdfWriter = PdfWriter.getInstance(document, fos);
        document.open();

        // add a paragraphs
        addParagraphs(document, 20);

        // add a 2 column table
        addTable(document, pdfWriter);

        // add a 2 column table with absolute position
        addTableAbsolute(document, pdfWriter);

        // add a paragraphs
        addParagraphs(document, 30);
        document.close();
    }

    public static void main(String[] args) throws Exception {
        createPdfWithTableAndOutline();
    }
}