classroom.filmfestival_c.Movies21.java Source code

Introduction

Here is the source code for classroom.filmfestival_c.Movies21.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 classroom.filmfestival_c;

import java.io.FileOutputStream;
import java.io.IOException;
import java.util.List;
import java.util.Map;

import org.apache.log4j.Logger;

import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.pdf.PdfCopy;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.SimpleBookmark;

public class Movies21 {

    public static final String RESULT = "results/classroom/filmfestival/movies21.pdf";
    public final static Logger LOGGER = Logger.getLogger(Movies21.class.getName());

    @SuppressWarnings("unchecked")
    public static void main(String args[]) {
        Movies18.main(args);
        Movies20.main(args);
        try {
            PdfReader reader1 = new PdfReader(Movies18.RESULT);
            List<Map> list1 = SimpleBookmark.getBookmark(reader1);
            int[] offsets1 = new int[list1.size() + 1];
            int count = 0;
            for (Map<String, String> mark : list1) {
                offsets1[count++] = getPageNumber(mark.get("Page"));
            }
            offsets1[count] = reader1.getNumberOfPages() + 1;
            PdfReader reader2 = new PdfReader(Movies20.RESULT);
            List<Map> list2 = SimpleBookmark.getBookmark(reader2);
            if (list2.size() != list1.size()) {
                throw new DocumentException("The documents don't have the same number of bookmark entries.");
            }
            int[] offsets2 = new int[list2.size() + 1];
            count = 0;
            for (Map<String, String> mark : list2) {
                offsets2[count++] = getPageNumber(mark.get("Page"));
            }
            offsets2[count] = reader2.getNumberOfPages() + 1;
            Document document = new Document();
            PdfCopy copy = new PdfCopy(document, new FileOutputStream(RESULT));
            document.open();
            for (int i = 0; i < list1.size(); i++) {
                for (int j = offsets1[i]; j < offsets1[i + 1]; j++) {
                    copy.addPage(copy.getImportedPage(reader1, j));
                }
                for (int j = offsets2[i]; j < offsets2[i + 1]; j++) {
                    copy.addPage(copy.getImportedPage(reader2, j));
                }
            }
            document.close();
        } catch (IOException e) {
            LOGGER.warn("IOException: " + e);
        } catch (DocumentException e) {
            LOGGER.warn("IOException: " + e);
        }
    }

    private static int getPageNumber(String string) {
        string = string.substring(0, string.indexOf(" "));
        return Integer.parseInt(string);
    }
}