list.add("test");
        extractorFactory.addExtractor(list, extractor);
        assertEquals(extractor, extractorFactory.getExtractor("test"));
    }

    public void test_getExtractor() {
        String key;

        key = "application/msword";
        assertTrue(extractorFactory.getExtractor(key) instanceof TikaExtractor);

        key = "application/vnd.ms-excel";