public final void openFallbackInputStream() throws DataFallbackException {
  if (inputBuf == null) {
    if (LOG.isDebugEnabled())     LOG.debug("openFallbackInputStream() : Opening the reader for the " + dataFile.getName() + "file");
    try {
      setInput(new BufferedReader(new FileReader(dataFile)));
    }
 catch (    IOException e) {
      throw new DataFallbackException(e.getMessage());
    }
  }
}

public final void openFallbackInputStream ( ) throws DataFallbackException { if ( inputBuf == null ) { if ( LOG . isDebugEnabled ( ) ) LOG . debug ( "openFallbackInputStream() : Opening the reader for the " + dataFile . getName ( ) + "file" ) ; try { setInput ( new BufferedReader ( new FileReader ( dataFile ) ) ) ; } catch ( IOException e ) { throw new DataFallbackException ( e . getMessage ( ) ) ; } } }
it opens a file input stream
