private static void findFromDb() throws Exception {
Date now = TimeServer.now();
Date date0 = TimeUtils.truncateTime(now);
List<TopDatum> all = TopDatum.findAllByDate(date0);
for (TopDatum d : all) {
System.out.println(d);
}
}
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;
}
public static void main(String... args) throws Exception {
if (args.length == 0) {
usage();
return;
}
// check the first args
if (!CMDS.contains(args[0])) {
usage();
return;
}
HistPriceDownloader d = new HistPriceDownloader();
String startMsg = "Starting to {0} hist price data...";
String endMsg = "{0} hist price data completed successfully.";
for (int i = 0; i < args.length; i++) {
String cmd = args[i];
logger.log(Level.INFO, startMsg, cmd);
if (cmd.equals("truncate")) {
if (++i >= args.length) {
usage();
return;
}
Date date = TimeUtils.parseIsoDate(args[i]);
d.truncate(date);
break;
}
Set<Symbol> symbols = getSymbols(args, i);
if (cmd.equals("clean")) {
d.clean();
} else if (cmd.equals("download")) {
d.download(symbols);
} else if (cmd.equals("load")) {
d.load(symbols);
} else if (cmd.equals("update")) {
d.update(symbols);
}
i += symbols.size();
logger.log(Level.INFO, endMsg, cmd);
}
}