PDF generation in Web Dynpro

Question

Hi,
I need to generate a PDF of the View by clicking the Print Button on the View.
The Backend uses smart form and sends a binfile to web dynpro.
I have used the below code to generate the pdf:
byte[] pdfContent = wdContext.currentPrintCrElement().getBin_File();
     IWDCachedWebResource pdfResource = WDWebResource.getWebResource(pdfContent,WDWebResourceType.PDF);          
     try{
          wdComponentAPI.getWindowManager().createNonModalExternalWindow(pdfResource.getURL(), "Report View").show();
     }catch(WDURLException e){
          wdComponentAPI.getMessageManager().reportException("URL not found", true);
This code works fine (i.e. generates pdf )when I execute it locally (on my machine), but it throws a Null Pointer Exception when I click on the Print button on the PORTAL.
Can anyone suggest what eeds to be done?
P.S.: WDWebResource.getWebResource() used above appears to be deprecated.

Answer 1

Hi,
The ABAP import parameters are:
Crid (string) and Language(char)
The ABAP export parameter is:
Bin_File(byte array)
Below is code:
public void printCRForm( )
    //@@begin printCRForm()
     executePrintoutcrGet();
     String fileName = wdContext.currentMasterDataViewElement().getCrid().toString().trim() + System.currentTimeMillis() + ".pdf";
     String pdfOutput = new String(wdContext.currentOutputElement().getBin_File());
     if (pdfOutput != null)
          try
               String pdfResoucePath = WDURLGenerator.getResourcePath(wdComponentAPI.getDeployableObjectPart(), fileName);
               File pdfFile = new File(pdfResoucePath);
               //FileOutputStream fileOutputStream = new FileOutputStream(pdfFile);
          //       Display the PDF to the browser
               String fileURL = WDURLGenerator.getWebResourceURL(wdComponentAPI.getDeployableObjectPart(), fileName);
               IWDWindow window = wdComponentAPI.getWindowManager().createNonModalExternalWindow(fileURL, "Pdf Browser");
               window.show();          
          } catch (Exception e)
               wdComponentAPI.getMessageManager().reportException("Unable to create PDF", true);
public void executePrintoutcrGet( )
    //@@begin executePrintoutcrGet()
    //$$begin Service Controller(-858835809)
    IWDMessageManager manager = wdComponentAPI.getMessageManager();
    try
      wdContext.currentZ_Kp_Printoutcr_InputElement().setCrid(wdContext.currentMasterDataViewElement().getCrid());
      // wdContext.currentZ_Kp_Printoutcr_InputElement().setLanguage(wdContext.currentContextElement().getUserLanguage());
       wdContext.currentZ_Kp_Printoutcr_InputElement().setLanguage("DE");
      wdContext.currentZ_Kp_Printoutcr_InputElement().modelObject().execute();
      wdContext.nodeOutput().invalidate();
      WDCopyService.copyElements(wdContext.nodeOutput(), wdContext.nodePrintCr());
    catch(WDDynamicRFCExecuteException e)
      manager.reportException(e.getMessage(), false);
    //$$end
    //@@end
Below is the node structure:
-Z_Kp_Printoutcr_Input
   - Output
      - Bin_File
   - Crid
   - Language