@Nullable
  public static FileOutputStream getOutputStream (@Nonnull final File aFile)
  {
    return getOutputStream (aFile, EAppend.DEFAULT);
  }
@ Nullable public static FileOutputStream getOutputStream ( @ Nonnull final File aFile ) { return getOutputStream ( aFile , EAppend . DEFAULT ) ; }
Get an output stream for writing to a file.

@param aFile
The file to write to. May not be <code>null</code>.
@return <code>null</code> if the file could not be opened