public static boolean isAsterisk(String asterisk) {
        return asterisk.indexOf('*') > -1;
    }
@Test
    public void testIsAsterisk() {
        boolean isAsterisk = AclUtils.isAsterisk("*");
        Assert.assertTrue(isAsterisk);

        isAsterisk = AclUtils.isAsterisk(",");
        Assert.assertFalse(isAsterisk);
    }