Convert PDF to Image in Java

package com.gb.samples;

import java.awt.image.BufferedImage;
import java.io.File;
import java.util.List;

import javax.imageio.ImageIO;

import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;

public class Sample {

public static void main(String[] args) {
       try {
       String sourceDir = "C:/Users/vgrandhi/Desktop/sam/org.pdf"; // Pdf files are read from this folder
       String destinationDir = "C:/Users/vgrandhi/Desktop/sam/Converted_PdfFiles_to_Image/"; // converted images from pdf document are saved here

       File sourceFile = new File(sourceDir);
       File destinationFile = new File(destinationDir);
       if (!destinationFile.exists()) {
           destinationFile.mkdir();
           System.out.println("Folder Created -> "+ destinationFile.getAbsolutePath());
       }
       if (sourceFile.exists()) {
           System.out.println("Images copied to Folder: "+ destinationFile.getName());            
           PDDocument document = PDDocument.load(new File(sourceDir));
           List<PDPage> list = document.getDocumentCatalog().getAllPages();
           System.out.println("Total files to be converted -> "+ list.size());

           String fileName = sourceFile.getName().replace(".pdf", "");            
           int pageNumber = 1;
           for (PDPage page : list) {
               BufferedImage image = page.convertToImage();
               File outputfile = new File(destinationDir + fileName +"_"+ pageNumber +".png");
               System.out.println("Image Created -> "+ outputfile.getName());
               ImageIO.write(image, "png", outputfile);
               pageNumber++;
           }
           document.close();
           System.out.println("Converted Images are saved at -> "+ destinationFile.getAbsolutePath());
       } else {
           System.err.println(sourceFile.getName() +" File not exists");
       }

   } catch (Exception e) {
       e.printStackTrace();
   }
}
}

Needed jars:

pdfbox-app-1.8.3, itextpdf-5.5.9