Generación de codigos de barras en iText 7

barrasiText.java

package com.mycompany.barrasitext;

import java.io.File;
import com.itextpdf.barcodes.Barcode128;
import com.itextpdf.barcodes.Barcode39;
import com.itextpdf.barcodes.BarcodeCodabar;
import com.itextpdf.barcodes.BarcodeEAN;
import com.itextpdf.barcodes.BarcodeInter25;
import com.itextpdf.barcodes.BarcodeMSI;
import com.itextpdf.barcodes.BarcodePostnet;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.kernel.pdf.xobject.PdfFormXObject;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.Image;
import com.itextpdf.layout.element.Paragraph;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author david
 */
public class BarrasiText {

    public static void main(String[] args) {
        try {
            File archivo = new File("codigoBarras.pdf");
            PdfDocument pdf = new PdfDocument(new PdfWriter(archivo));
            try ( Document document = new Document(pdf)) {
                
                document.add(new Paragraph("Formato Code39"));
                Barcode39 barcode39 = new Barcode39(pdf);
                barcode39.setCode("123456789");
                PdfFormXObject form39 = barcode39.createFormXObject(pdf);
                Image img39 = new Image(form39);
                document.add(img39);                                 
                
                document.add(new Paragraph("Formato Code128"));
                Barcode128 barcode128 = new Barcode128(pdf);
                barcode128.setCode("Hola mundo");                
                PdfFormXObject form128 = barcode128.createFormXObject(pdf);
                Image img128 = new Image(form128);
                document.add(img128); 
                
                document.add(new Paragraph("Formato CodeEAN de 13 digitos"));
                BarcodeEAN barcodeEAN = new BarcodeEAN(pdf);
                barcodeEAN.setCode("1111111111111");                
                PdfFormXObject formEAN = barcodeEAN.createFormXObject(pdf);
                Image imgEAN = new Image(formEAN);
                document.add(imgEAN);
                
                document.add(new Paragraph("Formato CodeEAN de 8 digitos"));
                BarcodeEAN barcodeEAN2 = new BarcodeEAN(pdf);
                barcodeEAN2.setCode("1111111111111");                
                PdfFormXObject formEAN2 = barcodeEAN2.createFormXObject(pdf);
                Image imgEAN2 = new Image(formEAN2);
                document.add(imgEAN2);
                
                document.add(new Paragraph("Formato CodeMSI"));
                BarcodeMSI barcodeMSI = new BarcodeMSI(pdf);
                barcodeMSI.setCode("2222222222");                
                PdfFormXObject formMSI = barcodeMSI.createFormXObject(pdf);
                Image imgMSI = new Image(formMSI);
                document.add(imgMSI);
                
                document.add(new Paragraph("Formato POSTNET"));
                BarcodePostnet barcodePostnet = new BarcodePostnet(pdf);
                barcodePostnet.setCode("2222222222");
                PdfFormXObject formPostnet = barcodePostnet.createFormXObject(pdf);
                Image imgPostnet = new Image(formPostnet);
                document.add(imgPostnet);
                
                document.add(new Paragraph("Formato Codabar"));
                BarcodeCodabar barcodeCodabar = new BarcodeCodabar(pdf);
                barcodeCodabar.setCode("A22222222A");
                PdfFormXObject formCodabar = barcodeCodabar.createFormXObject(pdf);
                Image imgCodabar = new Image(formCodabar);
                document.add(imgCodabar);
                
                document.add(new Paragraph("Formato Interleaved 2 of 5"));
                BarcodeInter25 barcodeInter25 = new BarcodeInter25(pdf);
                barcodeInter25.setCode("99999999");
                PdfFormXObject formCodeInter25 = barcodeInter25.createFormXObject(pdf);
                Image imgCodeInter25 = new Image(formCodeInter25);
                document.add(imgCodeInter25);                
                
            }
        } catch (IOException ex) {
            Logger.getLogger(BarrasiText.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
}