protected float parseBalance(Iso7816.Response data) {
float ret = 0f;
if (data.isOkey() && data.size() >= 4) {
int n = Util.toInt(data.getBytes(), 0, 4);
if (n > 1000000 || n < -1000000) n -= 0x80000000;
ret = n / 100.0f;
}
return ret;
}
protected ArrayList<byte[]> readLog24(Iso7816.StdTag tag, int sfi) throws IOException {
final ArrayList<byte[]> ret = new ArrayList<byte[]>(MAX_LOG);
final Iso7816.Response rsp = tag.readRecord(sfi);
if (rsp.isOkey()) {
addLog24(rsp, ret);
} else {
for (int i = 1; i <= MAX_LOG; ++i) {
if (!addLog24(tag.readRecord(sfi, i), ret)) break;
}
}
return ret;
}
protected boolean addLog24(final Iso7816.Response r, ArrayList<byte[]> l) {
if (!r.isOkey()) return false;
final byte[] raw = r.getBytes();
final int N = raw.length - 23;
if (N < 0) return false;
for (int s = 0, e = 0; s <= N; s = e) {
l.add(Arrays.copyOfRange(raw, s, (e = s + 23)));
}
return true;
}
protected void parseInfo21(Application app, Iso7816.Response data, int dec, boolean bigEndian) {
if (!data.isOkey() || data.size() < 30) {
return;
}
final byte[] d = data.getBytes();
if (dec < 1 || dec > 10) {
app.setProperty(SPEC.PROP.SERIAL, Util.toHexString(d, 10, 10));
} else {
final int sn = bigEndian ? Util.toIntR(d, 19, dec) : Util.toInt(d, 20 - dec, dec);
app.setProperty(SPEC.PROP.SERIAL, String.format("%d", 0xFFFFFFFFL & sn));
}
if (d[9] != 0) app.setProperty(SPEC.PROP.VERSION, String.valueOf(d[9]));
app.setProperty(
SPEC.PROP.DATE,
String.format(
"%02X%02X.%02X.%02X - %02X%02X.%02X.%02X",
d[20], d[21], d[22], d[23], d[24], d[25], d[26], d[27]));
}