Create EMV-NFC Paycard

sample-pcsc/src/main/java/com/github/devnied/emvpcsccard/EMV-NFC Paycard

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+package com.github.devnied.emvpcsccard;
+
+import java.nio.ByteBuffer;
+
+import javax.smartcardio.CardChannel;
+
+import javax.smartcardio.CardException;
+
+import org.slf4j.Logger;
+
+import org.slf4j.LoggerFactory;
+
+import com.github.devnied.emvnfccard.enums.SwEnum;
+
+import com.github.devnied.emvnfccard.exception.CommunicationException;
+
+import com.github.devnied.emvnfccard.parser.IProvider;
+
+import com.github.devnied.emvnfccard.utils.TlvUtil;
+
+import fr.devnied.bitlib.BytesUtils;
+
+public class PcscProvider implements IProvider {
+
+	/**	 * Class logger
+
+	 */
+
+	private static final Logger LOGGER = LoggerFactory.getLogger(PcscProvider.class);
+
+	/**
+
+	 * CardChanel
+
+	 */
+
+	private final CardChannel channel;
+
+	/**
+
+	 * Buffer
+
+	 */
+
+	private final ByteBuffer buffer = ByteBuffer.allocate(1024);
+
+	/**
+
+	 * Constructor using field
+
+	 *
+
+	 * @param pChannel
+
+	 *            card channel
+
+	 */
+
+	public PcscProvider(final CardChannel pChannel) {
+
+		channel = pChannel;
+
+	}
+
+	@Override
+
+	public byte[] transceive(final byte[] pCommand) throws CommunicationException {
+
+		byte[] ret = null;
+
+		buffer.clear();
+
+		if (LOGGER.isDebugEnabled()) {
+
+			LOGGER.debug("send: " + BytesUtils.bytesToString(pCommand));
+
+		}
+
+		try {
+
+			int nbByte = channel.transmit(ByteBuffer.wrap(pCommand), buffer);
+
+			ret = new byte[nbByte];
+
+			System.arraycopy(buffer.array(), 0, ret, 0, ret.length);
+
+		} catch (CardException e) {
+
+			// Do nothing
+
+		}
+
+		if (LOGGER.isDebugEnabled()) {
+
+			LOGGER.debug("resp: " + BytesUtils.bytesToString(ret));
+
+			try {
+
+				LOGGER.debug("resp: " + TlvUtil.prettyPrintAPDUResponse(ret));
+
+				SwEnum val = SwEnum.getSW(ret);
+
+				if (val != null) {
+
+					LOGGER.debug("resp: " + val.getDetail());
+
+				}
+
+			} catch (Exception e) {
+
+			}
+
+		}
+
+		return ret;
+
+	}
+
+	@Override
+
+	public byte[] getAt() {
+
+		return channel.getCard().getATR().getBytes();
+
+	}
+
+}