/****************************************************************************** * 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 GetAccountAssets extends APIServlet.APIRequestHandler { static final GetAccountAssets instance = new GetAccountAssets(); private GetAccountAssets() { super(new APITag[] {APITag.ACCOUNTS, APITag.AE}, "account", "asset", "height", "includeAssetInfo"); } @Override JSONStreamAware processRequest(HttpServletRequest req) throws NxtException { long accountId = ParameterParser.getAccountId(req, true); int height = ParameterParser.getHeight(req); long assetId = ParameterParser.getUnsignedLong(req, "asset", false); boolean includeAssetInfo = "true".equalsIgnoreCase(req.getParameter("includeAssetInfo")); if (assetId == 0) { JSONObject response = new JSONObject(); try (DbIterator<Account.AccountAsset> accountAssets = Account.getAccountAssets(accountId, height, 0, -1)) { JSONArray assetJSON = new JSONArray(); while (accountAssets.hasNext()) { assetJSON.add(JSONData.accountAsset(accountAssets.next(), false, includeAssetInfo)); } response.put("accountAssets", assetJSON); return response; } } else { Account.AccountAsset accountAsset = Account.getAccountAsset(accountId, assetId, height); if (accountAsset != null) { return JSONData.accountAsset(accountAsset, false, includeAssetInfo); } return JSON.emptyJSON; } } }