*
     * @param annotation the annotation (must not be {@literal null})
     * @return a {@link Map} of annotation element names and values
     */
    public static Map<String, Object> getProperties(final Annotation annotation) {
        assertArgumentNotNull("annotation", annotation);

        final Map<String, Object> map = newHashMap();

        final Method m = ClassUtil.getMethod(getClass(), "testGetProperties");
        final Annotation anno = m.getAnnotation(Hoge.class);
        final Map<String, Object> props = AnnotationUtil.getProperties(anno);
        assertThat((String) props.get("aaa"), is("123"));
        assertThat((String) props.get("bbb"), is("3"));
        assertThat(props.get("ccc"), is(nullValue()));
    }

                    p.load(in);
                }
            }

        } catch (final IOException ioe) {
            log.error("Failed to load config", ioe); //$NON-NLS-1$
        }
        p.putAll(System.getProperties());
        if (props != null) {
            p.putAll(props);
        }
        INSTANCE = new SingletonContext(p);
    }

    /**
     * Get singleton context
     *

    @Override
    public void init(final ServletConfig config) throws ServletException {
        super.init(config);

        final Properties p = new Properties();
        p.putAll(System.getProperties());
        /*
         * Set jcifs properties we know we want; soTimeout and cachePolicy to 10min.
         */
        p.setProperty("jcifs.smb.client.soTimeout", "300000");

        if (logger.isDebugEnabled()) {
            try {
                ManagementFactory.getRuntimeMXBean().getInputArguments().stream().forEach(s -> logger.debug("Parameter: {}", s));
                System.getProperties().entrySet().stream().forEach(e -> logger.debug("Property: {}={}", e.getKey(), e.getValue()));
                System.getenv().entrySet().forEach(e -> logger.debug("Env: {}={}", e.getKey(), e.getValue()));

     */
    public static List<Map<String, String>> getPropItems() {
        final List<Map<String, String>> itemList = new ArrayList<>();
        for (final Map.Entry<Object, Object> entry : System.getProperties().entrySet()) {
            itemList.add(createItem(entry.getKey(), entry.getValue()));
        }
        return itemList;
    }

    /**