code: @Override
      protected FileInfo getFileInfoFromInputDataImpl(Message inputData)
      {
          FileInfo fileInfo=null;
          try
          {
              //get file info
              fileInfo=this.getFileInfo(inputData);
          }
          catch(MessagingException exception)
          {
              throw new FaxException("Unable to extract fax job file data from mail message.",exception);
          }
          catch(IOException exception)
          {
              throw new FaxException("Unable to extract fax job file data from mail message.",exception);
          }
          
          return fileInfo;
      }
docs: This function returns the file info from the request data.
  
  @param   inputData
  The input data
  @return  The file info