4 * Copyright (C) 2014 Jakob Wenzel
7 * Jakob Wenzel <jakobwenzel92@gmail.com>
9 * This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation, either version 3 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
23 package de.dhbwloe.campusapp.nfcreader.cardreader;
25 import com.codebutler.farebot.card.desfire.DesfireException;
26 import com.codebutler.farebot.card.desfire.DesfireProtocol;
28 public interface ICardReader {
30 * Try to read data from a card.
32 * An implementer should only throw exceptions on communication errors, but not because the card
33 * does not contain the required data. In that case, null should be returned.
35 * @param card The card to read
36 * @return Card's data, null if unsupported.
37 * @throws DesfireException Communication error
39 public NfcCardData readCard(DesfireProtocol card) throws DesfireException;