doc,xlsx,pptx to pdf

 

public class Word2Pdf {

 static final int wdDoNotSaveChanges = 0;
 static final int wdFormatPDF = 17;
 static final int ppSaveAsPDF = 32;

 public static void main(String[] args) throws IOException {
  String source1 = "c:/test/test2.docx";
  String source2 = "c:/test/test1.xlsx";
  String source3 = "c:/test/test3.pptx";
  String target1 = "c:/test/test1.pdf";
  String target2 = "c:/test/test2.pdf";
  String target3 = "c:/test/test3.pdf";

  Word2Pdf pdf = new Word2Pdf();
  pdf.word2pdf(source1, target1);
  pdf.excel2pdf(source2, target2);
  pdf.ppt2pdf(source3, target3);
  // pdf.imgToPdf("e:/12345.jpg","e:/xu.pdf");
 }

 public void word2pdf(String source, String target) {
  long start = System.currentTimeMillis();
  ActiveXComponent app = null;
  try {
   app = new ActiveXComponent("Word.Application");
   app.setProperty("Visible", false);

   Dispatch docs = app.getProperty("Documents").toDispatch();
   Dispatch doc = Dispatch.call(docs,//
     "Open", //
     source,// FileName
     false,// ConfirmConversions
     true // ReadOnly
     ).toDispatch();

   File tofile = new File(target);
   if (tofile.exists()) {
    tofile.delete();
   }
   Dispatch.call(doc,//
     "SaveAs", //
     target, // FileName
     wdFormatPDF);

   Dispatch.call(doc, "Close", false);
   long end = System.currentTimeMillis();
  } catch (Exception e) {
   e.printStackTrace();
  } finally {
   if (app != null)
    app.invoke("Quit", wdDoNotSaveChanges);
  }
 }

 public void ppt2pdf(String source, String target) {
  long start = System.currentTimeMillis();
  ActiveXComponent app = null;
  try {
   app = new ActiveXComponent("Powerpoint.Application");
   Dispatch presentations = app.getProperty("Presentations")
     .toDispatch();
   Dispatch presentation = Dispatch.call(presentations,//
     "Open", source, // FileName
     true,// ReadOnly
     true,// Untitled
     false // WithWindow
     ).toDispatch();

   File tofile = new File(target);
   if (tofile.exists()) {
    tofile.delete();
   }
   Dispatch.call(presentation,//
     "SaveAs", //
     target, // FileName
     ppSaveAsPDF);

   Dispatch.call(presentation, "Close");
   long end = System.currentTimeMillis();
  } catch (Exception e) {
   e.printStackTrace();
  } finally {
   if (app != null)
    app.invoke("Quit");
  }
 }

 public void excel2pdf(String source, String target) {

  long start = System.currentTimeMillis();
  ActiveXComponent app = new ActiveXComponent("Excel.Application"); //
  try {
   app.setProperty("Visible", false);
   Dispatch workbooks = app.getProperty("Workbooks").toDispatch();
   System.out.println(" source " + source);
   Dispatch workbook = Dispatch.invoke(
     workbooks,
     "Open",
     Dispatch.Method,
     new Object[] { source, new Variant(false),
       new Variant(false) }, new int[3]).toDispatch();
   Dispatch.invoke(workbook, "SaveAs", Dispatch.Method, new Object[] {
     target, new Variant(57), new Variant(false),
     new Variant(57), new Variant(57), new Variant(false),
     new Variant(true), new Variant(57), new Variant(true),
     new Variant(true), new Variant(true) }, new int[1]);
   Variant f = new Variant(false);
   System.out.println(" target " + target);
   Dispatch.call(workbook, "Close", f);
   long end = System.currentTimeMillis();
   System.out.println((end - start));
  } catch (Exception e) {
   e.printStackTrace();
  } finally {
   if (app != null) {
    app.invoke("Quit", new Variant[] {});
   }
  }
 }

 public boolean imgToPdf(String imgFilePath, String pdfFilePath)
   throws IOException {
  File file = new File(imgFilePath);
  if (file.exists()) {
   Document document = new Document();
   FileOutputStream fos = null;
   try {
    fos = new FileOutputStream(pdfFilePath);
    PdfWriter.getInstance(document, fos);

    document.addAuthor("arui");
    document.addSubject("test pdf.");
    document.setPageSize(PageSize.A4);
    document.open();
    // document.add(new Paragraph("JUST TEST ..."));
    Image image = Image.getInstance(imgFilePath);
    float imageHeight = image.getScaledHeight();
    float imageWidth = image.getScaledWidth();
    int i = 0;
    while (imageHeight > 500 || imageWidth > 500) {
     image.scalePercent(100 - i);
     i++;
     imageHeight = image.getScaledHeight();
     imageWidth = image.getScaledWidth();
     System.out.println("imageHeight->" + imageHeight);
     System.out.println("imageWidth->" + imageWidth);
    }

    image.setAlignment(Image.ALIGN_CENTER);
    // image.setAbsolutePosition(0, 0);
    // image.scaleAbsolute(500, 400);
    document.add(image);
   } catch (DocumentException de) {
    System.out.println(de.getMessage());
   } catch (IOException ioe) {
    System.out.println(ioe.getMessage());
   }
   document.close();
   fos.flush();
   fos.close();
   return true;
  } else {
   return false;
  }
 }
}

pom.xml

<dependency>
 <groupId>net.sf.jacob-project</groupId>
 <artifactId>jacob</artifactId>
 <version>1.14.3</version>
</dependency>