questions.importpages.ConcatenateMakeTOC.java Source code

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Here is the source code for questions.importpages.ConcatenateMakeTOC.java

Source

/*
 * This example was written by Bruno Lowagie, author of the book
 * 'iText in Action' by Manning Publications (ISBN: 1932394796).
 * You can use this example as inspiration for your own applications.
 * The following license applies:
 * http://www.1t3xt.com/about/copyright/index.php?page=MIT
 */

package questions.importpages;

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

import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfCopy;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfWriter;

public class ConcatenateMakeTOC {

    public static final String[] RESULTS = { "results/questions/importpages/doc1.pdf",
            "results/questions/importpages/doc2.pdf", "results/questions/importpages/doc3.pdf" };
    public static final String RESULT = "results/questions/importpages/doc123_with_toc.pdf";

    public static void main(String[] args) {
        Document document = new Document();
        try {
            PdfCopy copy = new PdfCopy(document, new FileOutputStream(RESULT));
            copy.setViewerPreferences(PdfWriter.PageModeUseOutlines);
            document.open();
            List<HashMap<String, Object>> bookmarks = new ArrayList<HashMap<String, Object>>();
            List<HashMap<String, Object>> kids;
            PdfReader reader;
            int page = 1;
            for (int i = 0; i < 3; i++) {
                createPdf(i);
                HashMap<String, Object> titlepage = new HashMap<String, Object>();
                titlepage.put("Title", String.format("Document %d", i + 1));
                titlepage.put("Action", "GoTo");
                titlepage.put("Page", String.format("%d Fit", page));
                kids = new ArrayList<HashMap<String, Object>>();
                reader = new PdfReader(RESULTS[i]);
                for (int j = 1; j <= reader.getNumberOfPages(); j++) {
                    copy.addPage(copy.getImportedPage(reader, j));
                    HashMap<String, Object> kid = new HashMap<String, Object>();
                    kid.put("Title", String.format("Page %d in document %d", j, i + 1));
                    kid.put("Action", "GoTo");
                    kid.put("Page", String.format("%d FitH 806", page));
                    kids.add(kid);
                    page++;
                }
                titlepage.put("Kids", kids);
                bookmarks.add(titlepage);
            }
            copy.setOutlines(bookmarks);
        } catch (IOException e) {
            e.printStackTrace();
        } catch (DocumentException e) {
            e.printStackTrace();
        }
        document.close();
    }

    public static void createPdf(int i) {
        Document document = new Document();
        try {
            PdfWriter.getInstance(document, new FileOutputStream(RESULTS[i]));
            document.open();
            int doc = i + 1;
            for (i = 1; i < 4; i++) {
                document.add(new Paragraph(String.format("Document %d; page %d", doc, i)));
                document.newPage();
            }
        } catch (IOException e) {
            e.printStackTrace();
        } catch (DocumentException e) {
            e.printStackTrace();
        }
        document.close();
    }
}