public static boolean isJarURL(URL url) {
		String protocol = url.getProtocol();
		return (URL_PROTOCOL_JAR.equals(protocol) ||
				URL_PROTOCOL_ZIP.equals(protocol) ||
				URL_PROTOCOL_WSJAR.equals(protocol) ||
				(URL_PROTOCOL_CODE_SOURCE.equals(protocol) && url.getPath().contains(JAR_URL_SEPARATOR)));
	}