code: @edu.umd.cs.findbugs.annotations.SuppressWarnings("OBL")
      protected Reader createReader(final File file) throws FileNotFoundException {
          return createReader(new FileInputStream(file));
      }
docs: Creates a reader from the specified file. Uses the defined character set to
  read the content of the input stream.
  
  @param file the file
  @return the reader
  @throws FileNotFoundException if the file does not exist