/******************************************************************************
* 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.util.Convert;
import nxt.util.JSON;
import org.json.simple.JSONObject;
import org.json.simple.JSONStreamAware;
import javax.servlet.http.HttpServletRequest;
public final class HexConvert extends APIServlet.APIRequestHandler {
static final HexConvert instance = new HexConvert();
private HexConvert() {
super(new APITag[] {APITag.UTILS}, "string");
}
@Override
JSONStreamAware processRequest(HttpServletRequest req) {
String string = Convert.emptyToNull(req.getParameter("string"));
if (string == null) {
return JSON.emptyJSON;
}
JSONObject response = new JSONObject();
try {
byte[] asHex = Convert.parseHexString(string);
if (asHex.length > 0) {
response.put("text", Convert.toString(asHex));
}
} catch (RuntimeException ignore) {}
try {
byte[] asText = Convert.toBytes(string);
response.put("binary", Convert.toHexString(asText));
} catch (RuntimeException ignore) {}
return response;
}
@Override
boolean allowRequiredBlockParameters() {
return false;
}
@Override
boolean requireBlockchain() {
return false;
}
}