code: private void importSingleFile(String file, String toplevelCorpusName,
      long corpusRef)
    {
  
      BinaryImportHelper preStat = new BinaryImportHelper(file, getRealDataDir(),
        toplevelCorpusName,
        corpusRef, mimeTypeMapping);
      getJdbcTemplate().execute(BinaryImportHelper.SQL, preStat);
  
    }
docs: Imports a single binary file.
  
  @param file Specifies the file to be imported.
  @param corpusRef Assigns the file this corpus.
  @param toplevelCorpusName The toplevel corpus name