public static void decodePayload(byte[] data, DecodePayloadCallback callback) {
ByteBuffer bufferTail = ByteBuffer.wrap(data);
List<Object> buffers = new ArrayList<Object>();
while (bufferTail.capacity() > 0) {
StringBuilder strLen = new StringBuilder();
boolean isString = (bufferTail.get(0) & 0xFF) == 0;
boolean numberTooLong = false;
for (int i = 1; ; i++) {
int b = bufferTail.get(i) & 0xFF;
if (b == 255) break;
// supports only integer
if (strLen.length() > MAX_INT_CHAR_LENGTH) {
numberTooLong = true;
break;
}
strLen.append(b);
}
if (numberTooLong) {
@SuppressWarnings("unchecked")
DecodePayloadCallback<String> tempCallback = callback;
tempCallback.call(err, 0, 1);
return;
}
bufferTail.position(strLen.length() + 1);
bufferTail = bufferTail.slice();
int msgLength = Integer.parseInt(strLen.toString());
bufferTail.position(1);
bufferTail.limit(msgLength + 1);
byte[] msg = new byte[bufferTail.remaining()];
bufferTail.get(msg);
if (isString) {
buffers.add(byteArrayToString(msg));
} else {
buffers.add(msg);
}
bufferTail.clear();
bufferTail.position(msgLength + 1);
bufferTail = bufferTail.slice();
}
int total = buffers.size();
for (int i = 0; i < total; i++) {
Object buffer = buffers.get(i);
if (buffer instanceof String) {
@SuppressWarnings("unchecked")
DecodePayloadCallback<String> tempCallback = callback;
tempCallback.call(decodePacket((String) buffer, true), i, total);
} else if (buffer instanceof byte[]) {
@SuppressWarnings("unchecked")
DecodePayloadCallback<byte[]> tempCallback = callback;
tempCallback.call(decodePacket((byte[]) buffer), i, total);
}
}
}
public static void decodePayload(String data, DecodePayloadCallback<String> callback) {
if (data == null || data.length() == 0) {
callback.call(err, 0, 1);
return;
}
StringBuilder length = new StringBuilder();
for (int i = 0, l = data.length(); i < l; i++) {
char chr = data.charAt(i);
if (':' != chr) {
length.append(chr);
} else {
int n;
try {
n = Integer.parseInt(length.toString());
} catch (NumberFormatException e) {
callback.call(err, 0, 1);
return;
}
String msg;
try {
msg = data.substring(i + 1, i + 1 + n);
} catch (IndexOutOfBoundsException e) {
callback.call(err, 0, 1);
return;
}
if (msg.length() != 0) {
Packet<String> packet = decodePacket(msg, true);
if (err.type.equals(packet.type) && err.data.equals(packet.data)) {
callback.call(err, 0, 1);
return;
}
boolean ret = callback.call(packet, i + n, l);
if (!ret) return;
}
i += n;
length = new StringBuilder();
}
}
if (length.length() > 0) {
callback.call(err, 0, 1);
}
}
