actual = Arrays.asList(KuromojiCSVUtil.parse(value));
        assertThat(actual, is(expected));

        value = "\"Fess,FESS\"";
        expected = Arrays.asList("\"Fess,FESS\"");
        actual = Arrays.asList(KuromojiCSVUtil.parse(value));
        assertThat(actual, is(expected));

        value = " ";
        expected = Arrays.asList(" ");

        assertEquals(Arrays.asList("aaa", "bbb"), (List<String>) DocumentUtil.getValue(doc, "key1", List.class));
    }

    public void test_list() {
        Map<String, Object> doc = new HashMap<>();
        doc.put("key1", Arrays.asList("aaa", "bbb"));
        assertArrayEquals(new String[] { "aaa", "bbb" }, DocumentUtil.getValue(doc, "key1", String[].class));

        for (final Map.Entry<String, String[]> e : request.getParameterMap().entrySet()) {
            if (e.getValue().length > 0) {
                params.put(e.getKey(), Arrays.asList(e.getValue()));
            }
        }
        if (logger.isDebugEnabled()) {
            logger.debug("process authentication: url: {}, params: {}", urlBuf, params);
        }

        request.getSession().setAttribute(OIC_STATE, state);
        return new AuthorizationCodeRequestUrl(getOicAuthServerUrl(), getOicClientId())//
                .setScopes(Arrays.asList(getOicScope()))//
                .setResponseTypes(Arrays.asList("code"))//
                .setRedirectUri(getOicRedirectUrl())//
                .setState(state)//
                .build();
    }

        assertEquals(66L, MemoryUtil.sizeOf(new String[] { "1234567890" }));
        assertEquals(132L, MemoryUtil.sizeOf(new String[] { "1234567890", "1234567890" }));
        assertEquals(132L, MemoryUtil.sizeOf(Lists.asList("1234567890", new String[] { "1234567890" })));
        assertEquals(132L, MemoryUtil.sizeOf(Maps.map("1234567890", "1234567890").$()));
    }

    private long getObjectSize(Object value) {

    }

    // ===================================================================================
    //                                                                        Assist Logic
    //                                                                        ============
    protected JsonResponse<ApiResult> asJson(final ApiResult bean) {
        return new JsonResponse<>(bean);
    }

    @Resource
    protected FessConfig fessConfig;

    // ===================================================================================
    //                                                                              Assist
    //                                                                              ======
    @Override
    protected void prepareAssistDirection(final FwAssistDirection direction) {

        return toString();
    }

    // ===================================================================================
    //                                                                        Assist Class
    //                                                                        ============
    public class DocMeta implements Serializable {

        private static final long serialVersionUID = 1L;

        return redirect(getClass());
    }

    // ===================================================================================
    //                                                                        Assist Logic
    //                                                                        ============
    private static OptionalEntity<Role> getEntity(final CreateForm form) {
        switch (form.crudMode) {

        return redirect(getClass());
    }

    // ===================================================================================
    //                                                                        Assist Logic
    //                                                                        ============

    public static OptionalEntity<KeyMatch> getEntity(final CreateForm form, final String username, final long currentTime) {