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Friday 9 August 2013

Creating pdf file using Apache PDFBox API in ADF Faces and opening it in new window -Oracle ADF

Apache PDFBox library is an open source java tool for working with PDF documents, go to http://pdfbox.apache.org/ for API docs and download jar (pdfbox-app-1.8.2) from there.

  •  Now create a fusion web application and add jar to view controller project's library and class-path
  •  To convert text to pdf format, i have used an input text and bind it to bean (to get value)
  •  Now see the button code that converts text to pdf file format using Apache PDFBox

  •         PDDocument document = new PDDocument();
            PDPage page = new PDPage();
            document.addPage(page);
    
            // Create a new font object selecting one of the PDF base fonts
            PDFont font = getFontDef();
    
            // Start a new content stream which will "hold" the to be created content
            PDPageContentStream contentStream = new PDPageContentStream(document, page);
    
            // Define a text content stream using the selected font, moving the cursor and drawing the text "Hello World"
    
            contentStream.beginText();
            contentStream.setFont(font, 10);
            contentStream.moveTextPositionByAmount(50, 700);
            contentStream.drawString(textToConvert.getValue().toString());
            contentStream.endText();
    
            // Make sure that the content stream is closed:
            contentStream.close();
    
            // Save the results and ensure that the document is properly closed:
            try {
                document.save("D:/Test_pdf.pdf");
            } catch (COSVisitorException e) {
            }
            document.close();
    

  • now your pdf is generated in fixed path, and if user want to open it immediately , try to do this



  •         if ((new File("D:\\Hello World.pdf")).exists()) {
    
                Process p = Runtime.getRuntime().exec("rundll32 url.dll,FileProtocolHandler D:\\Hello World.pdf");
                p.waitFor();
    
            } else {
    
                System.out.println("File is not exists");
    
            }
    

  • this code invokes File Protocol using Runtime class
  • Run this application and see-
 Click on generate button-


For more details and functionality visit Apache PDFBox site
Sample ADF Application-Download

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