Java Utililty Methods ByteBuffer Put

List of utility methods to do ByteBuffer Put

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Description

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

Method

intputVInt(ByteBuffer b, int i)
put V Int 
int j = 0;
while ((i & ~0x7F) != 0) {
    b.put((byte) ((i & 0x7f) | 0x80));
    i >>>= 7;
    j++;
b.put((byte) i);
return ++j;
...
voidputWhatFits(ByteBuffer dest, ByteBuffer src)
Puts as much of src as will fit in dest. 
final int toPut = Math.min(dest.remaining(), src.remaining());
if (toPut == src.remaining()) {
    dest.put(src);
} else {
    if (toPut != 0) {
        final ByteBuffer slice = src.slice();
        slice.limit(toPut);
        src.position(src.position() + toPut);
...
voidputWithChecksum(ByteBuffer buffer, int value, Adler32 checksum)
put With Checksum 
buffer.putInt(value);
checksum.update(value);
voidread(InputStream is, ByteBuffer buf, int bytes)
read 
while (bytes > 0 & buf.hasRemaining()) {
    int n = is.read(buf.array(), buf.position(), bytes);
    if (n < 0)
        throw new EOFException();
    buf.position(buf.position() + n);
    bytes -= n;
ByteBufferreadAsByteBuffer(final InputStream source)
Reads everything from the input stream using NIO and returns a byte buffer. 
try (final ReadableByteChannel bc = Channels.newChannel(source)) {
    ByteBuffer bb = ByteBuffer.allocate(READ_BLOCK);
    while (bc.read(bb) != -1) { 
        bb = resizeBuffer(bb); 
    bb.flip();
    return bb;
intreadBER32(ByteBuffer input)
read BER 
int size = 0;
for (int i = 0; i < 4; i++) {
    byte b = input.get();
    size = (size << 7) | (b & 0x7f);
    if (((b & 0xff) >> 7) == 0)
        break;
return size;
...
ByteBufferreadByteBuffer(DataInputStream is)
read Byte Buffer 
int len = is.readInt();
if (len == -1) {
    return null;
byte[] arr = new byte[len];
for (int k = 0; k < len; k++) {
    arr[k] = is.readByte();
return ByteBuffer.wrap(arr);
ListreadByteBufferList(DataInputStream is)
read Byte Buffer List 
int size = is.readInt();
if (size == -1) {
    return null;
List<ByteBuffer> ret = new ArrayList<ByteBuffer>(size);
for (int k = 0; k < size; k++) {
    ret.add(readByteBuffer(is));
return ret;
voidreadBytes(InputStream is, ByteBuffer buffer)
Reads as many bytes from the input stream into the given ByteBuffer, starting at current buffer position and ending at the current buffer's limit. 
byte[] buf = new byte[8192];
while (buffer.remaining() > 0) {
    int len = Math.min(buf.length, buffer.remaining());
    int n = is.read(buf, 0, len);
    if (n < 0) {
        break;
    buffer.put(buf, 0, n);
...
StringreadByteVector8(ByteBuffer input)
read Byte Vector 
int length = getInt8(input);
byte[] data = new byte[length];
input.get(data);
return new String(data, StandardCharsets.US_ASCII);