if (_zipEntry == null)
if (_entry == null)
  public String zip_entry_compressionmethod()  {    if (_zipEntry == null)      return "";    Integer method = _zipEntry.getMethod();    switch(method) {      case java.util.zip.ZipEntry.DEFLATED:        return "deflated";      case java.util.zip.ZipEntry.STORED:        return "stored";      default:        return method.toString();    }  }