Adding page numbers to an existing PDF

30th October 2015
admin-marketing

iText 5 is no longer being developed, except for security fixes. Click the following link to see an updated example for iText 7.

In this example, we use ColumnText to add page numbers to an existing PDF document.

StampPageXofY.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
package sandbox.stamper;
 
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Element;
import com.itextpdf.text.Phrase;
import com.itextpdf.text.pdf.ColumnText;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfReader;
import com.itextpdf.text.pdf.PdfStamper;
 
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
 
import sandbox.WrapToTest;
 
@WrapToTest
public class StampPageXofY {
 
    public static final String SRC = "resources/pdfs/nameddestinations.pdf";
    public static final String DEST = "results/stamper/pagenumbers.pdf";
 
    public static void main(String[] args) throws IOException, DocumentException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new StampPageXofY().manipulatePdf(SRC, DEST);
    }
 
    public void manipulatePdf(String src, String dest) throws IOException, DocumentException {
        PdfReader reader = new PdfReader(src);
        int n = reader.getNumberOfPages();
        PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(dest));
        PdfContentByte pagecontent;
        for (int i = 0; i < n; ) {
            pagecontent = stamper.getOverContent(++i);
            ColumnText.showTextAligned(pagecontent, Element.ALIGN_RIGHT,
                    new Phrase(String.format("page %s of %s", i, n)), 559, 806, 0);
        }
        stamper.close();
        reader.close();
    }
}


Contact

Still have questions? 

We're happy to answer your questions. Reach out to us and we'll get back to you shortly.

Contact us
Stay updated

Join 11,000+ subscribers and become an iText PDF expert by staying up to date with our new products, updates, tips, technical solutions and happenings.

Subscribe Now