public static synchronized CachingArchiveProvider getDefault () { if (instance == null) { instance = new CachingArchiveProvider (); } return instance; }
/** * Creates new instance of {@link CachingArchiveProvider} for unit test purposes. * @return new <b>unshared</b> {@link CachingArchiveProvider} */ static CachingArchiveProvider newInstance() { return new CachingArchiveProvider(); }