Copy book mark : Bookmarks « PDF « Java Tutorial

1. Java Tutorial
2. PDF
3. Bookmarks

import java.io.FileOutputStream;
import java.util.ArrayList;
import java.util.List;

import com.lowagie.text.Chapter;
import com.lowagie.text.Document;
import com.lowagie.text.PageSize;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Section;
import com.lowagie.text.pdf.PdfCopy;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfWriter;
import com.lowagie.text.pdf.SimpleBookmark;

public class MainClass {
  public static void main(String[] args) throws Exception {
    Document document = new Document(PageSize.A4);
    Paragraph hello = new Paragraph("(English:) hello, ");
    PdfWriter.getInstance(document, new FileOutputStream("HelloWorld1.pdf"));
    document.open();
    Chapter universe = new Chapter("asdf", 1);
    Section section;
    document.add(universe);

    document.close();
    document = new Document(PageSize.A4);

    PdfWriter.getInstance(document, new FileOutputStream("HelloWorld2.pdf"));
    document.open();
    Chapter people = new Chapter("asdf", 2);
    section = people.addSection("B");
    section.add(hello);
    document.add(people);

    document.close();
    document = new Document(PageSize.A4);

    PdfWriter.getInstance(document, new FileOutputStream("HelloWorld3.pdf"));
    document.open();
    Chapter animals = new Chapter("asdf", 3);
    section = animals.addSection("B");
    section.add(hello);
    document.add(animals);
    document.close();

    ArrayList bookmarks = new ArrayList();
    PdfReader reader = new PdfReader("HelloWorld1.pdf");
    document = new Document(reader.getPageSizeWithRotation(1));
    PdfCopy copy = new PdfCopy(document, new FileOutputStream("HelloWorldCopyBookmarks.pdf"));
    document.open();
    copy.addPage(copy.getImportedPage(reader, 1));
    bookmarks.addAll(SimpleBookmark.getBookmark(reader));
    reader = new PdfReader("HelloWorld2.pdf");
    copy.addPage(copy.getImportedPage(reader, 1));
    List tmp = SimpleBookmark.getBookmark(reader);
    SimpleBookmark.shiftPageNumbers(tmp, 1, null);
    bookmarks.addAll(tmp);
    reader = new PdfReader("HelloWorld3.pdf");
    copy.addPage(copy.getImportedPage(reader, 1));
    tmp = SimpleBookmark.getBookmark(reader);
    SimpleBookmark.shiftPageNumbers(tmp, 2, null);
    bookmarks.addAll(tmp);
    copy.setOutlines(bookmarks);
    document.close();
  }

}