public void test_ofValues() {
        String[] values = { "value1", "value2" };
        StreamUtil.stream(values[0], values[1]).of(s -> {
            Object[] array = s.toArray();
            for (int i = 0; i < 2; i++) {
                assertEquals(values[i], array[i]);
            }
        });
    }

    public void test_ofNull() {
        assertEquals(0, (int) StreamUtil.stream().get(s -> s.toArray().length));

        assertThat(GenericsUtil.getActualClass(method.getGenericReturnType(), map), is(sameClass(Long.class)));

        method = Hoge.class.getMethod("array");
        assertThat(GenericsUtil.getActualClass(method.getGenericReturnType(), map), is(sameClass(String[].class)));

        method = Hoge.class.getMethod("list");

          }
        }
      }
    },
    "settings" : {
      "index" : {
        "dbflute" : {
          "access_token" : {
            "properties" : {
              "permissions" : {
                "array" : "true"
              }
            }
          }
        },
        "creation_date" : "1509021049417",
        "number_of_shards" : "5",
        "number_of_replicas" : "1",

 * @see ClassTraversalUtil
 * @see ResourceTraversalUtil
 */
public abstract class TraversalUtil {

    /** 空の{@link Traverser}の配列です。 */
    protected static final Traverser[] EMPTY_ARRAY = new Traverser[0];

    private static final Logger logger = Logger.getLogger(TraversalUtil.class);

    /** URLのプロトコルをキー、{@link TraverserFactory}を値とするマッピングです。 */

            final FileChannel channel = is.getChannel();
            final ByteBuffer buffer = ByteBuffer.allocate((int) ChannelUtil.size(channel));
            ChannelUtil.read(channel, buffer);
            return buffer.array();
        } finally {
            CloseableUtil.close(is);
        }
    }

    /**
     * デフォルトエンコーディングでファイルからテキストを読み込みます。
     *
     * @param path

            return source;
        }
        final char[] array = source.toCharArray();
        for (int i = 0; i < array.length; ++i) {
            switch (array[i]) {
            case WAVE_DASH:
                array[i] = FULLWIDTH_TILDE;
                break;
            case DOUBLE_VERTICAL_LINE:
                array[i] = PARALLEL_TO;
                break;
            case MINUS_SIGN:

                  related_query:
                    type: array
                    items:
                      type: string
                    example: ["aaa"]
                  related_contents:
                    type: array
                    items:
                      type: string
                    example: []
                  data:
                    type: array
                    items:

     *
     * @return message code
     */
    public String getMessageCode() {
        return messageCode;
    }

    /**
     * Returns arguments of a message
     *
     * @return array of arguments
     */
    public Object[] getArgs() {
        return args;
    }

    @Override
    public String getMessage() {
        return message;
    }

    /**

    /** The key of the configuration. e.g. fess_log */
    String INDEX_LOG_INDEX = "index.log.index";

    /** The key of the configuration. e.g. lang,role,label,anchor,virtual_host */
    String INDEX_ADMIN_ARRAY_FIELDS = "index.admin.array.fields";

    /** The key of the configuration. e.g. expires,created,timestamp,last_modified */
    String INDEX_ADMIN_DATE_FIELDS = "index.admin.date.fields";

    /** The key of the configuration. e.g.  */

    public static final String STORAGE_SECRET_KEY = "storage.secretkey";

    public static final String STORAGE_BUCKET = "storage.bucket";

    public static final String MAPPING_TYPE_ARRAY = "array";

    public static final String MAPPING_TYPE_STRING = "string";

    public static final String MAPPING_TYPE_LONG = "long";

    public static final String MAPPING_TYPE_DOUBLE = "double";