nfcard for Android源代码

/* NFCard is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. NFCard is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Wget. If not, see <http://www.gnu.org/licenses/>. Additional permission under GNU GPL version 3 section 7 */ package com.sinpo.xnfc.tech; import java.nio.ByteBuffer; import java.util.ArrayList; import java.util.Arrays; import android.nfc.tech.NfcF; import com.sinpo.xnfc.Util; public class FeliCa { public static final byte[] EMPTY = {}; protected byte[] data; protected FeliCa() { } protected FeliCa(byte[] bytes) { data = (bytes == null) ? FeliCa.EMPTY : bytes; } public int size() { return data.length; } public byte[] getBytes() { return data; } @Override public String toString() { return Util.toHexString(data, 0, data.length); } public final static class IDm extends FeliCa { public static final byte[] EMPTY = { 0, 0, 0, 0, 0, 0, 0, 0, }; public IDm(byte[] bytes) { super((bytes == null || bytes.length < 8) ? IDm.EMPTY : bytes); } public final String getManufactureCode() { return Util.toHexString(data, 0, 2); } public final String getCardIdentification() { return Util.toHexString(data, 2, 6); } public boolean isEmpty() { final byte[] d = data; for (final byte v : d) { if (v != 0) return false; } return true; } } public final static class PMm extends FeliCa { public static final byte[] EMPTY = { 0, 0, 0, 0, 0, 0, 0, 0, }; public PMm(byte[] bytes) { super((bytes == null || bytes.length < 8) ? PMm.EMPTY : bytes); } public final String getIcCode() { return Util.toHexString(data, 0, 2); } public final String getMaximumResponseTime() { return Util.toHexString(data, 2, 6); } } public final static class SystemCode extends FeliCa { public static final byte[] EMPTY = { 0, 0, }; public SystemCode(byte[] sc) { super((sc == null || sc.length < 2) ? SystemCode.EMPTY : sc); } public int toInt() { return toInt(data); } public static int toInt(byte[] data) { return 0x0000FFFF & ((data[0] << 8) | (0x000000FF & data[1])); } } public final static class ServiceCode extends FeliCa { public static final byte[] EMPTY = { 0, 0, }; public static final int T_UNKNOWN = 0; public static final int T_RANDOM = 1; public static final int T_CYCLIC = 2; public static final int T_PURSE = 3; public ServiceCode(byte[] sc) { super((sc == null || sc.length < 2) ? ServiceCode.EMPTY : sc); } public ServiceCode(int code) { this(new byte[] { (byte) (code & 0xFF), (byte) (code >> 8) }); } public boolean isEncrypt() { return (data[0] & 0x1) == 0; } public boolean isWritable() { final int f = data[0] & 0x3F; return (f & 0x2) == 0 || f == 0x13 || f == 0x12; } public int getAccessAttr() { return data[0] & 0x3F; } public int getDataType() { final int f = data[0] & 0x3F; if ((f & 0x10) == 0) return T_PURSE; return ((f & 0x04) == 0) ? T_RANDOM : T_CYCLIC; } } public final static class Block extends FeliCa { public Block() { data = new byte[16]; } public Block(byte[] bytes) { super((bytes == null || bytes.length < 16) ? new byte[16] : bytes); } } public final static class BlockListElement extends FeliCa { private static final byte LENGTH_2_BYTE = (byte) 0x80; private static final byte LENGTH_3_BYTE = (byte) 0x00; // private static final byte ACCESSMODE_DECREMENT = (byte) 0x00; // private static final byte ACCESSMODE_CACHEBACK = (byte) 0x01; private final byte lengthAndaccessMode; private final byte serviceCodeListOrder; public BlockListElement(byte mode, byte order, byte... blockNumber) { if (blockNumber.length > 1) { lengthAndaccessMode = (byte) (mode | LENGTH_2_BYTE & 0xFF); } else { lengthAndaccessMode = (byte) (mode | LENGTH_3_BYTE & 0xFF); } serviceCodeListOrder = (byte) (order & 0x0F); data = (blockNumber == null) ? FeliCa.EMPTY : blockNumber; } @Override public byte[] getBytes() { if ((this.lengthAndaccessMode & LENGTH_2_BYTE) == 1) { ByteBuffer buff = ByteBuffer.allocate(2); buff.put( (byte) ((this.lengthAndaccessMode | this.serviceCodeListOrder) & 0xFF)) .put(data[0]); return buff.array(); } else { ByteBuffer buff = ByteBuffer.allocate(3); buff.put( (byte) ((this.lengthAndaccessMode | this.serviceCodeListOrder) & 0xFF)) .put(data[1]).put(data[0]); return buff.array(); } } } public final static class MemoryConfigurationBlock extends FeliCa { public MemoryConfigurationBlock(byte[] bytes) { super((bytes == null || bytes.length < 4) ? new byte[4] : bytes); } public boolean isNdefSupport() { return (data == null) ? false : (data[3] & (byte) 0xff) == 1; } public void setNdefSupport(boolean ndefSupport) { data[3] = (byte) (ndefSupport ? 1 : 0); } public boolean isWritable(int... addrs) { if (data == null) return false; boolean result = true; for (int a : addrs) { byte b = (byte) ((a & 0xff) + 1); if (a < 8) { result &= (data[0] & b) == b; continue; } else if (a < 16) { result &= (data[1] & b) == b; continue; } else result &= (data[2] & b) == b; } return result; } } public final static class Service extends FeliCa { private final ServiceCode[] serviceCodes; private final BlockListElement[] blockListElements; public Service(ServiceCode[] codes, BlockListElement... blocks) { serviceCodes = (codes == null) ? new ServiceCode[0] : codes; blockListElements = (blocks == null) ? new BlockListElement[0] : blocks; } @Override public byte[] getBytes() { int length = 0; for (ServiceCode s : this.serviceCodes) { length += s.getBytes().length; } for (BlockListElement b : blockListElements) { length += b.getBytes().length; } ByteBuffer buff = ByteBuffer.allocate(length); for (ServiceCode s : this.serviceCodes) { buff.put(s.getBytes()); } for (BlockListElement b : blockListElements) { buff.put(b.getBytes()); } return buff.array(); } @Override public String toString() { StringBuilder sb = new StringBuilder(); for (ServiceCode s : serviceCodes) { sb.append(s.toString()); } for (BlockListElement b : blockListElements) { sb.append(b.toString()); } return sb.toString(); } } public final static class Command extends FeliCa { private final int length; private final byte code; private final IDm idm; public Command(final byte[] bytes) { this(bytes[0], Arrays.copyOfRange(bytes, 1, bytes.length)); } public Command(byte code, final byte... bytes) { this.code = code; if (bytes.length >= 8) { idm = new IDm(Arrays.copyOfRange(bytes, 0, 8)); data = Arrays.copyOfRange(bytes, 8, bytes.length); } else { idm = null; data = bytes; } length = bytes.length + 2; } public Command(byte code, IDm idm, final byte... bytes) { this.code = code; this.idm = idm; this.data = bytes; this.length = idm.getBytes().length + data.length + 2; } public Command(byte code, byte[] idm, final byte... bytes) { this.code = code; this.idm = new IDm(idm); this.data = bytes; this.length = idm.length + data.le