Adding page numbers to an existing PDF

Tags: page x of yColumnTextPdfStamperiText 7

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

Files: 
/*
 
    This file is part of the iText (R) project.
    Copyright (c) 1998-2016 iText Group NV
 
*/
 
package com.itextpdf.samples.sandbox.stamper;
 
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfReader;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.Paragraph;
import com.itextpdf.layout.property.TextAlignment;
import com.itextpdf.layout.property.VerticalAlignment;
import com.itextpdf.samples.GenericTest;
import com.itextpdf.test.annotations.type.SampleTest;
import org.junit.experimental.categories.Category;
 
import java.io.File;
 
@Category(SampleTest.class)
public class StampPageXofY extends GenericTest {
    public static final String DEST = "./target/test/resources/sandbox/stamper/stamp_page_x_of_y.pdf";
    public static final String SRC = "./src/test/resources/pdfs/nameddestinations.pdf";
 
    public static void main(String[] args) throws Exception {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new StampPageXofY().manipulatePdf(DEST);
    }
 
    @Override
    protected void manipulatePdf(String dest) throws Exception {
        PdfDocument pdfDoc = new PdfDocument(new PdfReader(SRC), new PdfWriter(DEST));
        Document doc = new Document(pdfDoc);
        int n = pdfDoc.getNumberOfPages();
        for (int i = 1; i <= n; i++) {
            doc.showTextAligned(new Paragraph(String.format("page %s of %s", i, n)),
                    559, 806, i, TextAlignment.RIGHT, VerticalAlignment.TOP, 0);
        }
        doc.close();
    }
}
File nameRaw URLUpdated
StampPageXofY.javaStampPageXofY.java2016-08-12 1:19 pm
Resources: 
File nameRaw URLUpdated
nameddestinations.pdfnameddestinations.pdf2016-08-10 12:22 pm
Results: 
File nameRaw URLUpdated
cmp_stamp_page_x_of_y.pdfcmp_stamp_page_x_of_y.pdf2016-08-12 1:27 pm