Java Code Examples for com.alibaba.fastjson.JSONArray#getBigDecimal()

/**
 * 解析订单详情
 * [
 *  333168795,      ID	integer	Trade database id
 *  "tLTCUSD",      PAIR	string	Pair (BTCUSD, …)
 *  1547796266000,  MTS_CREATE	integer	Execution timestamp
 *  21597693840,    ORDER_ID	integer	Order id
 *  -0.4,           EXEC_AMOUNT	float	Positive means buy, negative means sell
 *  31.962,         EXEC_PRICE	float	Execution price
 *  null,           _PLACEHOLDER,
 *  null,           _PLACEHOLDER,
 *  -1,             MAKER	int	1 if true, -1 if false
 *  -0.0255696,     FEE	float	Fee
 *  "USD"           FEE_CURRENCY	string	Fee currency
 * ]
 * @param result 元素数据
 * @return 订单详情列表
 */
public static List<OrderDetail> parseOrderDetails(String result) {
    JSONArray r = JSON.parseArray(result);
    List<OrderDetail> details = new ArrayList<>(r.size());
    for (int i = 0; i < r.size(); i++) {
        JSONArray t = r.getJSONArray(i);

        String data = r.getString(i);
        Long time = t.getLong(2);
        String orderId = t.getString(3);
        String detailId = t.getString(0);
        BigDecimal price = t.getBigDecimal(5);
        BigDecimal amount = t.getBigDecimal(4).abs();
        BigDecimal fee = t.getBigDecimal(9).abs();
        String feeCurrency = t.getString(10);
        details.add(new OrderDetail(data, time, orderId, detailId, price, amount, fee, feeCurrency));
    }
    return details;
}
 

/**
 * 根据序号解析Kline
 *
 * @param result 原始文件
 * @param r      array
 * @param time   时间
 * @return Kline
 */
public static Kline parseKlineByIndex(String result, JSONArray r, Long time, int first) {
    BigDecimal open = r.getBigDecimal(first);
    BigDecimal high = r.getBigDecimal(first + 1);
    BigDecimal low = r.getBigDecimal(first + 2);
    BigDecimal close = r.getBigDecimal(first + 3);
    BigDecimal volume = r.getBigDecimal(first + 4);
    return new Kline(result, time, open, high, low, close, volume);
}
 

static Precision of(JSONArray r) {
    return new Precision(
            Util.decode(r.getString(0)),
            r.getString(1),
            r.getInteger(2),
            r.getInteger(3),
            r.getBigDecimal(4),
            r.getBigDecimal(5),
            r.getBigDecimal(6),
            r.getBigDecimal(7),
            r.getBigDecimal(8),
            r.getBigDecimal(9));
}
 

static Order of(JSONArray r) {
    return new Order(
            Util.decode(r.getString(0)),
            r.getLong(1),
            r.getString(2),
            Util.of(r.getString(3), Side::valueOf),
            Util.of(r.getString(4), Type::valueOf),
            Util.of(r.getString(5), State::valueOf),
            r.getBigDecimal(6),
            r.getBigDecimal(7),
            r.getBigDecimal(8),
            r.getBigDecimal(9));
}
 

static OrderDetail of(JSONArray r) {
    return new OrderDetail
            (Util.decode(r.getString(0)),
                    r.getLong(1),
                    r.getString(2),
                    r.getString(3),
                    r.getBigDecimal(4),
                    r.getBigDecimal(5),
                    r.getBigDecimal(6),
                    r.getString(7),
                    Util.of(r.getString(8), Side::valueOf));
}
 

static Balance of(JSONArray r) {
    return new Balance(
            Util.decode(r.getString(0)),
            r.getString(1),
            r.getBigDecimal(2),
            r.getBigDecimal(3));
}
 

static Trade of(JSONArray r) {
    return new Trade(
            Util.decode(r.getString(0)),
            r.getLong(1),
            r.getString(2),
            Util.of(r.getString(3), Side::valueOf),
            r.getBigDecimal(4),
            r.getBigDecimal(5));
}
 

static Kline of(JSONArray r) {
    return new Kline(
            Util.decode(r.getString(0)),
            r.getLong(1),
            r.getBigDecimal(2),
            r.getBigDecimal(3),
            r.getBigDecimal(4),
            r.getBigDecimal(5),
            r.getBigDecimal(6));
}
 

/**
 * [
 *  21597693840,                ID	int64	Order ID
 *  null,                       GID	int	Group ID
 *  26665933660,                CID	int	Client Order ID
 *  "tLTCUSD",                  SYMBOL	string	Pair (tBTCUSD, …)
 *  1547796266000,              MTS_CREATE	int	Millisecond timestamp of creation
 *  1547796266000,              MTS_UPDATE	int	Millisecond timestamp of update
 *  0,                          AMOUNT	float	Remaining amount.
 *  -0.4,                       AMOUNT_ORIG	float	Original amount, positive means buy, negative means sell.
 *  "EXCHANGE LIMIT",           TYPE	string	The type of the order: LIMIT, MARKET, STOP, TRAILING STOP, EXCHANGE MARKET, EXCHANGE LIMIT, EXCHANGE STOP, EXCHANGE TRAILING STOP, FOK, EXCHANGE FOK.
 *  null,                       TYPE_PREV	string	Previous order type
 *  null,                       _PLACEHOLDER,
 *  null,                       _PLACEHOLDER,
 *  "0",                        FLAGS	int	Upcoming Params Object (stay tuned)
 *  "EXECUTED @ 31.962(-0.4)",  ORDER_STATUS	string	Order Status: ACTIVE, EXECUTED, PARTIALLY FILLED, CANCELED
 *  null,                       _PLACEHOLDER,
 *  null,                       _PLACEHOLDER,
 *  30,                         PRICE	float	Price
 *  31.962,                     PRICE_AVG	float	Average price
 *  0,                          PRICE_TRAILING	float	The trailing price
 *  0,                          PRICE_AUX_LIMIT	float	Auxiliary Limit price (for STOP LIMIT)
 *  null,                       _PLACEHOLDER,
 *  null,                       _PLACEHOLDER,
 *  null,                       _PLACEHOLDER,
 *  0,                          NOTIFY	int	1 if Notify flag is active, 0 if not
 *  0,                          HIDDEN	int	1 if Hidden, 0 if not hidden
 *  null,                       PLACED_ID	int	If another order caused this order to be placed (OCO) this will be that other order's ID
 *  null,
 *  null,
 *  "API>BFX",
 *  null,
 *  null,
 *  null
 * ]
 * @param result 原始数据
 * @return 订单列表
 */
public static List<Order> parseOrders(String result) {
    JSONArray r = JSON.parseArray(result);
    List<Order> orders = new ArrayList<>(r.size());
    for (int i = 0; i < r.size(); i++) {

        JSONArray t = r.getJSONArray(i);

        String data = r.getString(i);
        Long time = t.getLong(4);
        String id = t.getString(0);
        Side side = null;
        Double s = t.getDouble(7);
        if (0 < s) {
            side = Side.BUY;
        } else if (s < 0) {
            side = Side.SELL;
        }
        Type type = null;
        String orderType = t.getString(8);
        if ("EXCHANGE LIMIT".equals(orderType)) {
            type = Type.LIMIT;
        } else if ("EXCHANGE MARKET".equals(orderType)) {
            type = Type.MARKET;
        } else if ("EXCHANGE FOK".equals(orderType)) {
            type = Type.FILL_OR_KILL;
        }
        State state = null;
        String orderState = t.getString(13);
        if (orderState.contains("ACTIVE")) {
            state = State.SUBMIT;
        } else if (orderState.contains("EXECUTED")) {
            state = State.FILLED;
        } else if (orderState.contains("PARTIALLY FILLED")) {
            state = State.UNDONE;
        } else if (orderState.contains("CANCELED")) {
            state = State.CANCEL;
        }

        BigDecimal price = t.getBigDecimal(16);
        BigDecimal amount = t.getBigDecimal(7).abs();
        BigDecimal deal = amount.subtract(t.getBigDecimal(6).abs());
        BigDecimal average = t.getBigDecimal(17);

        if (state == State.SUBMIT && greater(deal, BigDecimal.ZERO)) {
            state = State.PARTIAL;
        }
        if (state == State.CANCEL && greater(deal, BigDecimal.ZERO)) {
            state = State.UNDONE;
        }

        orders.add(new Order(data, time, id, side, type, state, price, amount, deal, average));
    }
    return orders;
}
 

static Row of(JSONArray r) {
    return new Row(
            Util.decode(r.getString(0)),
            r.getBigDecimal(1),
            r.getBigDecimal(2));
}
 

/**
 * 解析档位
 *
 * @param result 元素数据
 * @param row    数组
 * @return 档位
 */
public static Row parseRowByIndex(String result, JSONArray row) {
    BigDecimal price = row.getBigDecimal(0);
    BigDecimal amount = row.getBigDecimal(1);
    return new Row(result, price, amount);
}