/****************************************************************************** * Copyright © 2013-2016 The Nxt Core Developers. * * * * See the AUTHORS.txt, DEVELOPER-AGREEMENT.txt and LICENSE.txt files at * * the top-level directory of this distribution for the individual copyright * * holder information and the developer policies on copyright and licensing. * * * * Unless otherwise agreed in a custom licensing agreement, no part of the * * Nxt software, including this file, may be copied, modified, propagated, * * or distributed except according to the terms contained in the LICENSE.txt * * file. * * * * Removal or modification of this copyright notice is prohibited. * * * ******************************************************************************/ package nxt.http; import nxt.Account; import nxt.NxtException; import nxt.db.DbIterator; import nxt.util.JSON; import org.json.simple.JSONArray; import org.json.simple.JSONObject; import org.json.simple.JSONStreamAware; import javax.servlet.http.HttpServletRequest; public final class GetAccountCurrencies extends APIServlet.APIRequestHandler { static final GetAccountCurrencies instance = new GetAccountCurrencies(); private GetAccountCurrencies() { super(new APITag[] {APITag.ACCOUNTS, APITag.MS}, "account", "currency", "height", "includeCurrencyInfo"); } @Override JSONStreamAware processRequest(HttpServletRequest req) throws NxtException { long accountId = ParameterParser.getAccountId(req, true); int height = ParameterParser.getHeight(req); long currencyId = ParameterParser.getUnsignedLong(req, "currency", false); boolean includeCurrencyInfo = "true".equalsIgnoreCase(req.getParameter("includeCurrencyInfo")); if (currencyId == 0) { JSONObject response = new JSONObject(); try (DbIterator<Account.AccountCurrency> accountCurrencies = Account.getAccountCurrencies(accountId, height, 0, -1)) { JSONArray currencyJSON = new JSONArray(); while (accountCurrencies.hasNext()) { currencyJSON.add(JSONData.accountCurrency(accountCurrencies.next(), false, includeCurrencyInfo)); } response.put("accountCurrencies", currencyJSON); return response; } } else { Account.AccountCurrency accountCurrency = Account.getAccountCurrency(accountId, currencyId, height); if (accountCurrency != null) { return JSONData.accountCurrency(accountCurrency, false, includeCurrencyInfo); } return JSON.emptyJSON; } } }