protected short[] readFlags(IDataInput input) {
boolean hasNextFlag = true;
short[] flagsArray = new short[2];
int i = 0;
while (hasNextFlag) {
short flags = (short) input.readUnsignedByte();
log.debug("Unsigned byte: {}", flags);
if (i == flagsArray.length) {
short[] tempArray = new short[i * 2];
System.arraycopy(flagsArray, 0, tempArray, 0, flagsArray.length);
flagsArray = tempArray;
}
flagsArray[i] = flags;
if ((flags & 0x80) != 0) {
hasNextFlag = true;
} else {
hasNextFlag = false;
}
++i;
}
log.debug("Flag count: {}", flagsArray.length);
return flagsArray;
}
@SuppressWarnings("rawtypes")
public void readExternal(IDataInput input) {
log.debug("AbstractMessage - Read external");
short[] flagsArray = readFlags(input);
for (int i = 0; i < flagsArray.length; ++i) {
short flags = flagsArray[i];
short reservedPosition = 0;
if (i == 0) {
if ((flags & 0x1) != 0) {
Object obj = input.readObject();
log.debug("Body object: {} name: {}", obj, obj.getClass().getName());
body = obj;
}
if ((flags & 0x2) != 0) {
Object obj = input.readObject();
log.debug("Client id object: {} name: {}", obj, obj.getClass().getName());
clientId = ((String) obj);
}
if ((flags & 0x4) != 0) {
Object obj = input.readObject();
log.debug("Destination object: {} name: {}", obj, obj.getClass().getName());
destination = ((String) obj);
}
if ((flags & 0x8) != 0) {
Object obj = input.readObject();
log.debug("Headers object: {} name: {}", obj, obj.getClass().getName());
headers = ((ObjectMap) obj);
}
if ((flags & 0x10) != 0) {
Object obj = input.readUTF();
log.debug("Message id object: {} name: {}", obj, obj.getClass().getName());
messageId = ((String) obj);
}
if ((flags & 0x20) != 0) {
Object obj = input.readObject();
log.debug("Timestamp object: {} name: {}", obj, obj.getClass().getName());
timestamp = ((Number) obj).longValue();
}
if ((flags & 0x40) != 0) {
Object obj = input.readObject();
log.debug("TTL object: {} name: {}", obj, obj.getClass().getName());
timeToLive = ((Number) obj).longValue();
}
reservedPosition = 7;
} else if (i == 1) {
if ((flags & 0x1) != 0) {
Object obj = input.readObject();
log.debug("Client id (bytes) object: {} name: {}", obj, obj.getClass().getName());
if (obj instanceof ByteArray) {
ByteArray ba = (ByteArray) obj;
clientIdBytes = new byte[ba.length()];
ba.readBytes(clientIdBytes);
clientId = RandomGUID.fromByteArray(clientIdBytes);
}
}
if ((flags & 0x2) != 0) {
Object obj = input.readObject();
log.debug("Message id (bytes) object: {} name: {}", obj, obj.getClass().getName());
if (obj instanceof ByteArray) {
ByteArray ba = (ByteArray) obj;
messageIdBytes = new byte[ba.length()];
ba.readBytes(messageIdBytes);
messageId = RandomGUID.fromByteArray(messageIdBytes);
}
}
reservedPosition = 2;
}
if (flags >> reservedPosition == 0) {
continue;
}
for (short j = reservedPosition; j < 6; j = (short) (j + 1)) {
if ((flags >> j & 0x1) == 0) {
continue;
}
input.readObject();
}
}
}