Showing posts with label concat pdf. Show all posts
Showing posts with label concat pdf. Show all posts

Sunday, May 17, 2015

Concat Or Join Or Add Two Or More Pdf File To One Pdf FIle Using Java & Lowagie


package com.pkm.concat.two.pdf;

import java.io.*;
import com.lowagie.text.Document;
import com.lowagie.text.PageSize;
import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfImportedPage;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfWriter;

/**
 * Created by pritom on 17/05/2015.
 */
public class ConcatTwoPdfBytes {
    public static void main(String[] args) throws Exception {
        File file = new File("from-1.pdf");
        FileInputStream fileInputStream = new FileInputStream(file);
        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();

        Document document = new Document();
        Rectangle rectangle = PageSize.A4;
        document.setPageSize(rectangle);
        PdfWriter pdfWriter = PdfWriter.getInstance(document, byteArrayOutputStream);
        document.open();
        PdfContentByte cb = pdfWriter.getDirectContent();

        PdfReader pdfReader = new PdfReader(fileInputStream);
        for (int i = 1; i <= pdfReader.getNumberOfPages(); i++) {
            document.newPage();
            PdfImportedPage page = pdfWriter.getImportedPage(pdfReader, i);
            cb.addTemplate(page, 0, 0);
        }

        File file2 = new File("from-2.pdf");
        fileInputStream = new FileInputStream(file2);
        pdfReader = new PdfReader(fileInputStream);
        for (int i = 1; i <= pdfReader.getNumberOfPages(); i++) {
            document.newPage();
            PdfImportedPage page = pdfWriter.getImportedPage(pdfReader, i);
            cb.addTemplate(page, 0, 0);
        }
        document.close();

        byte[] bytesRead = byteArrayOutputStream.toByteArray();
        File outputFile = new File(file.getName() + " And  " + file2.getName());
        FileOutputStream fileOutputStream = new FileOutputStream(outputFile);
        fileOutputStream.write(bytesRead);
        fileOutputStream.flush();
        fileOutputStream.close();
    }
}


from-1.pdf from-2.pdf from-1.pdf And from-2.pdf Download Jar