exp = "index.html";
        assertEquals(exp, transformer.getFileName(url, Constants.UTF_8));

        url = "http://example.com/" + encodeUrl("#") + "/@@folder/test.txt";
        exp = "test.txt";
        assertEquals(exp, transformer.getFileName(url, Constants.UTF_8));

        url = "http://example.com/test%20+%2B.txt";
        exp = "test  +.txt";