JAVA를 이용하여 디렉토리에 있는 이미지를 PDF로 만들기

이미지들을 캡쳐후 하나의 PDF 파일로 만들일이 생겼다.
Java의 PDFBox를 이용하여 처리하였음.

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package org.apache.pdfbox.examples.util; import java.io.IOException; import org.apache.pdfbox.pdmodel.PDDocument; import org.apache.pdfbox.pdmodel.PDPage; import org.apache.pdfbox.pdmodel.PDPageContentStream; import org.apache.pdfbox.pdmodel.common.PDRectangle; import org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject;   public class MakePdf {  public static void main(String[] args) throws IOException {         String imagePath = "d:\\capture\\makedir\\";         String pdfPath = "d:\\capture\\makedir.pdf";                   if (!pdfPath.endsWith(".pdf"))         {             System.err.println("Last argument must be the destination .pdf file");             System.exit(1);         }           PDDocument doc = new PDDocument();         try         {            File imgDir = new File(imagePath);          File[] imgFiles = imgDir.listFiles();          for(int i=1; i<=imgFiles.length; i++) {             PDPage page = new PDPage();             doc.addPage(page);                           // capture한 이미지 이름이 1.jpg, 2.jpg 이런식으로 되어있음.             PDImageXObject pdImage = PDImageXObject.createFromFile(imagePath+i+".jpg", doc);                           PDPageContentStream contents = new PDPageContentStream(doc, page);                           contents.drawImage(pdImage, 0, 0, 612, 796);                           contents.close();             doc.save(pdfPath);             System.out.print(i+" ");             if(i%50 == 0) System.out.println("");          }         }         finally         {             doc.close();             System.out.println("");             System.out.println("fin");         }  } }