FileUpload give ClassCastException

Question

Hi,
I am using FileUpload ui in my application. I restrict file extention. It gives error msg when other then pdf file uploads. But when i upload second time it give CallCastException .
Please let me know that,.
Regards,
Gurprit Bhatia

Answer 1

Hi
Try with the following code in the Action handler
//file source is a context attr with type binary
     IWDAttributeInfo attInfo =  wdContext.getNodeInfo().getAttribute(IPrivateSendMailView.IContextElement.FILE_SOURCE);
     // requires type cast
     IWDModifiableBinaryType binaryType =  (IWDModifiableBinaryType) attInfo.getModifiableSimpleType();
     IPrivateSendMailView.IContextElement element =      wdContext.currentContextElement();
     //     if a file in the FileUpload field exists
     if (element.getFileSource() != null) {
       try {
                //file storage map is a Hash map to place all upload files details
          String mimeType = binaryType.getMimeType().toString();
          byte[] file = element.getFileSource();
          InputStream fileInput = new ByteArrayInputStream(file);
          fileStorageMap.put(wdContext.currentContextElement().getFileName(),fileInput);
          // NOTE: context attribute 'fileName' must not be set, because the
          // FileUpload-UI-element property 'fileName' is bound to it. Consequently the
          // fileName is automatically written to the context after file upload.
          wdComponentAPI.getMessageManager().reportMessage(IMessageAdobeTestComp.FILE_UPLOADED, new Object[] { binaryType.getFileName()}, false);
       } catch (Exception e) {
          throw new WDRuntimeException(e);
     //     if no file in the FileUpload field exists
     else {
       // report error message
       IWDMessageManager msgMgr = wdComponentAPI.getMessageManager();
       msgMgr.reportContextAttributeMessage(element,attInfo,IMessageAdobeTestComp.NO_FILE,new Object[] { "" },true);
Regards
Kalyan