return (zipfile.getEntry(zipentry.getName()) != null);
return (zipfile.getEntry(entryName) != null);
    public boolean exists() {        ZipFile zipfile = null;        try {            zipfile = repository.getZipFile();            return (zipfile.getEntry(zipentry.getName()) != null);        } catch (Exception ex) {            return false;        } finally {            try {                zipfile.close();            } catch (Exception ex) {}        }    }