/******************************************************************************
* 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.Nxt;
import nxt.NxtException;
import nxt.TaggedData;
import nxt.util.JSON;
import org.json.simple.JSONStreamAware;
import javax.servlet.http.HttpServletRequest;
import static nxt.http.JSONResponses.PRUNED_TRANSACTION;
public final class GetTaggedData extends APIServlet.APIRequestHandler {
static final GetTaggedData instance = new GetTaggedData();
private GetTaggedData() {
super(new APITag[] {APITag.DATA}, "transaction", "includeData", "retrieve");
}
@Override
JSONStreamAware processRequest(HttpServletRequest req) throws NxtException {
long transactionId = ParameterParser.getUnsignedLong(req, "transaction", true);
boolean includeData = !"false".equalsIgnoreCase(req.getParameter("includeData"));
boolean retrieve = "true".equalsIgnoreCase(req.getParameter("retrieve"));
TaggedData taggedData = TaggedData.getData(transactionId);
if (taggedData == null && retrieve) {
if (Nxt.getBlockchainProcessor().restorePrunedTransaction(transactionId) == null) {
return PRUNED_TRANSACTION;
}
taggedData = TaggedData.getData(transactionId);
}
if (taggedData != null) {
return JSONData.taggedData(taggedData, includeData);
}
return JSON.emptyJSON;
}
}