Java Utililty Methods ByteBuffer Get

List of utility methods to do ByteBuffer Get

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Description

The list of methods to do ByteBuffer Get are organized into topic(s).

Method

intgetMediumInt(ByteBuffer buffer)
get Medium Int 
return (buffer.get() & 0xFF) << 16 | (buffer.get() & 0xFF) << 8 | buffer.get() & 0xFF;
intgetModularShort(ByteBuffer bb)
Read a int value (the size of a modular short) from a ByteBuffer 
Vector shorts = new Vector();
bb.order(ByteOrder.BIG_ENDIAN);
short shortt = bb.getShort();
int size = 0;
while ((shortt & 0x80) > 0) {
    shorts.add(new Short(shortt));
    shortt = bb.getShort();
shorts.add(new Short(shortt));
for (int i = 0; i < shorts.size(); i++) {
    shortt = ((Short) shorts.get(i)).shortValue();
    shorts.set(i, new Integer(((shortt & 0xff00) >> 8) | ((shortt & 0xff) << 8)));
int slen = shorts.size();
if (slen == 1) {
    size = (((Integer) shorts.get(0)).intValue()) & 0x7fff;
} else if (slen == 2) {
    int tmp = ((Integer) shorts.get(0)).intValue();
    shorts.set(0, shorts.get(1));
    shorts.set(1, new Integer(tmp));
    size = (((((Integer) shorts.get(0)).intValue()) & 0x7fff) << 15)
            | (((((Integer) shorts.get(1)).intValue()) & 0x7fff));
} else {
    System.out.println("Unexpected array length: " + slen);
return size;
String[]getMultiString(ByteBuffer bb, boolean wideChar)
get Multi String 
ArrayList strs = new ArrayList();
StringBuilder sb = new StringBuilder();
while (bb.hasRemaining()) {
    char c = wideChar ? bb.getChar() : (char) bb.get();
    if (c == 0) {
        if (sb.length() == 0) {
            break;
        } else {
...
intgetNaluStartLength(ByteBuffer buffer)
get Nalu Start Length 
if (buffer.remaining() <= 4) {
    return 0;
if (buffer.get() != 0x00) {
    return 0;
byte ch = buffer.get();
if (ch == 0x01) {
...
intgetNextTagNum(ByteBuffer message)
Gets the next tag. 
StringBuilder builder = new StringBuilder(10);
int b;
message.mark();
while (message.hasRemaining()) {
    if ((b = message.get()) == ((int) '=')) {
        break;
    } else {
        builder.append((char) b);
...
StringgetNTString(ByteBuffer buffer)
Parses next null-terminated string. 
StringBuilder result = new StringBuilder();
while (buffer.remaining() > 0) {
    char c = (char) buffer.get();
    if (c == '\0')
        break;
    result.append(c);
return result.toString();
...
byte[]getNullTerminatedByte(ByteBuffer buffer)
get Null Terminated Byte 
int pos = buffer.position();
byte[] array = buffer.array();
int endPos = array.length - 1;
for (int i = pos; i < array.length; i++) {
    if (NULL_TERMINATED_STRING_DELIMITER == array[i]) {
        endPos = i;
        break;
byte[] vBuf = new byte[endPos - pos];
buffer.get(vBuf);
buffer.position(buffer.position() + 1);
return vBuf;
intgetNumeric(java.nio.ByteBuffer buffer, int len)
get Numeric 
String s = "";
if (null != buffer && buffer.remaining() >= len) {
    byte[] dest = new byte[len];
    buffer.get(dest, 0, len);
    s = new String(dest);
return Integer.parseInt(s);
ObjectgetObject(ByteBuffer buffer)
Reads a Object (Serializable) from a ByteBuffer. 
int length = buffer.getInt();
byte[] bytes = new byte[length];
for (int i = 0; i < length; i++) {
    bytes[i] = buffer.get();
ByteArrayInputStream bis = new ByteArrayInputStream(bytes);
Object o = null;
try (ObjectInputStream oin = new ObjectInputStream(bis)) {
...
ObjectgetObject(ByteBuffer byteBuffer)
get Object 
boolean nonNull = byteBuffer.get() == TRUE;
if (nonNull) {
    byte[] array = getByteArray(byteBuffer);
    ByteArrayInputStream bais = new ByteArrayInputStream(array);
    ObjectInputStream stream = new ObjectInputStream(bais);
    return stream.readObject();
return null;
...