/**
* Copyright 2011-2012 Adrian Stabiszewski, as@nfctools.org
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.nfctools.examples.hce;
import javax.smartcardio.Card;
import javax.smartcardio.CardException;
import javax.smartcardio.CommandAPDU;
import javax.smartcardio.ResponseAPDU;
import org.nfctools.NfcException;
import org.nfctools.api.ApduTag;
import org.nfctools.api.Tag;
import org.nfctools.api.TagType;
import org.nfctools.scio.Command;
import org.nfctools.scio.Response;
import org.nfctools.spi.acs.Acs;
import org.nfctools.utils.NfcUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class AcsDirectChannelTag extends Tag implements ApduTag {
private Logger log = LoggerFactory.getLogger(getClass());
private Card card;
public AcsDirectChannelTag(TagType tagType, byte[] generalBytes, Card card) {
super(tagType, generalBytes);
this.card = card;
}
@Override
public Response transmit(Command command) {
try {
CommandAPDU commandAPDU = null;
if (command.isDataOnly()) {
commandAPDU = new CommandAPDU(0xff, 0, 0, 0, command.getData(), command.getOffset(),
command.getLength());
}
else
throw new NfcException("Only data mode supported");
if (log.isDebugEnabled())
log.debug("command: " + NfcUtils.convertBinToASCII(commandAPDU.getBytes()));
byte[] transmitControlResponse = card.transmitControlCommand(Acs.IOCTL_SMARTCARD_ACR122_ESCAPE_COMMAND,
commandAPDU.getBytes());
ResponseAPDU responseAPDU = new ResponseAPDU(transmitControlResponse);
if (log.isDebugEnabled())
log.debug("response: " + NfcUtils.convertBinToASCII(responseAPDU.getBytes()));
return new Response(responseAPDU.getSW1(), responseAPDU.getSW2(), responseAPDU.getData());
}
catch (CardException e) {
throw new NfcException(e);
}
}
}