public byte readData(java.io.InputStream in) {
return (byte) in.read();
}

public void getGroupRoles(APDU apdu) {
// read apdu to byteArray
byte[] byteArray = apdu.getBuffer();

// check if groupRoles are null
if(groupRoles == null) {
// prepare apdu buffer for this disappointing response
byteArray[0] = (byte)0;
byteArray[1] = (byte)0;
apdu.setOutgoingAndSend((short)0, (short)2); // send 2 bytes
return;
}
// read APDU bytes into a buffer to construct a groupRole object
/*
* assume that the methods called here are correctly
* defined in the same class
*/
AID specifiedGroup = readAIDobject(apdu, byteArray);
short groupIndex = getGroupIndex(specifiedGroup);
if(groupIndex < 0) { // groupIndex can be ERROR-coded
// prepare apdu buffer for this disappointing response
buffer[0] = (byte) groupIndex >> 8;
buffer[1] = (byte) (groupIndex & 0xFF);
apdu.setOutgoingAndSend((short)0, (short)2); // send 2 bytes
return;
}
// get group roles for the specified group
// transform group roles into a byte array
// calculate the length of the roles byte array
short len = apdu.setOutgoing();
len = groupRoles[groupIndex].getBytes(byteArray, 0);
apdu.setOutgoingLength( (short)len );
// send response
apdu.sendBytes ( (short)0 , (short)len );
}

private byte firstByte(byte[][] b) {
return b[0][0];
}

private void checkPIN(APDU apdu) {
byte[] byteArray = apdu.getBuffer();
byte readCount = (byte) apdu.setIncomingAndReceive();
if (!ownerPin.check(byteArray, ISO7816.OFFSET_CDATA, readCount)) {
ISOException.throwIt(0x6300);
}
}

private boolean isMember(String person) {
// assume members is a String
return (members.indexOf(person) != -1);
}

public void getVirtualScore(APDU apdu) {
// read apdu to byteArray
byte[] byteArray = apdu.getBuffer();
buffer[0] = (byte) virtualScore >> 8;
buffer[1] = (byte) (virtualScore & 0xFF);
apdu.setOutgoingAndSend((short)0, (short)2); // send 2 bytes
}

private MyApplet(Object[] o) {}