public final void openFallbackOutputStream() throws DataFallbackException {
  if (output == null) {
    if (LOG.isDebugEnabled())     LOG.debug("openOutputStream() : Opening the writer for the " + dataFile.getName() + " file");
    try {
      output=new BufferedWriter(new FileWriter(dataFile,true));
    }
 catch (    IOException e) {
      throw new DataFallbackException(e.getMessage());
    }
  }
}

public final void openFallbackOutputStream ( ) throws DataFallbackException { if ( output == null ) { if ( LOG . isDebugEnabled ( ) ) LOG . debug ( "openOutputStream() : Opening the writer for the " + dataFile . getName ( ) + " file" ) ; try { output = new BufferedWriter ( new FileWriter ( dataFile , true ) ) ; } catch ( IOException e ) { throw new DataFallbackException ( e . getMessage ( ) ) ; } } }
it opens a file output stream
