public static List<TopDatum> parse(JSONArray a) throws JSONException {
List<TopDatum> list = new ArrayList();
DateFormat df = new SimpleDateFormat("HH:mm:ss");
for (int i = 0; i < a.length(); i++) {
JSONObject o = a.getJSONObject(i);
TopDatum d = new TopDatum();
d.setSymbol(new Symbol(o.getString("symbol")));
d.setName(o.getString("name"));
d.setLast(new BigDecimal(o.getString("trade")));
d.setBuy(new BigDecimal(o.getString("buy")));
d.setSell(new BigDecimal(o.getString("sell")));
d.setPrevClose(new BigDecimal(o.getString("settlement")));
d.setChange(new BigDecimal(o.getString("changepercent")));
d.setAmount(new BigDecimal(o.getString("amount")));
d.setOpen(new BigDecimal(o.getString("open")));
try {
Date t = df.parse(o.getString("ticktime"));
Date date = TimeServer.now();
MarketCalendar mc = Calendars.get(d.getSymbol().getMarket());
if (!mc.isTradingDate(date)) {
date = mc.previousTradingDate(date);
} else {
Date biddingStartTime = mc.getOpenBiddingStartTime(date);
if (date.before(biddingStartTime)) {
logger.info(
"Using the previous date as the current time is before the bidding start time");
date = mc.previousTradingDate(date);
}
}
d.setTime(TimeUtils.merge(date, t));
} catch (ParseException ex) {
Logger.getLogger(TopFetcher.class.getName()).log(Level.SEVERE, null, ex);
continue;
}
d.setVolume(o.getLong("volume"));
d.setHigh(new BigDecimal(o.getString("high")));
d.setLow(new BigDecimal(o.getString("low")));
d.setMarketCapital(new BigDecimal(o.getString("mktcap")).multiply(new BigDecimal("10000")));
d.setHandOff(new BigDecimal(o.getString("turnoverratio")));
list.add(d);
}
Collections.sort(
list,
new Comparator<TopDatum>() {
@Override
public int compare(TopDatum o1, TopDatum o2) {
return -o1.getChange().compareTo(o2.getChange());
}
});
return list;
}
private Set<Symbol> getAllSymbols() {
topFetcher.setTopSize(SYMBOL_SIZE);
topFetcher.setTimeout(60);
Iterator<TopDatum> iter;
try {
iter = topFetcher.getData(null);
} catch (DataNotAvailableException ex) {
throw new RuntimeException(ex);
}
Set<Symbol> allSymbols = new HashSet();
for (; iter.hasNext(); ) {
TopDatum t = iter.next();
allSymbols.add(t.getSymbol());
}
if (allSymbols.isEmpty()) {
logger.info("No symbols found.");
return allSymbols;
}
// add or not?
allSymbols.add(Symbol.SHA_INDEX);
allSymbols.add(Symbol.SHE_INDEX);
return allSymbols;
}