Java Utililty Methods ByteBuffer to Byte Array

List of utility methods to do ByteBuffer to Byte Array

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Description

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

Method

byte[]asByteArray(ByteBuffer buf)
Gets the content of the ByteBuffer as a byte[] without mutating the buffer (so thread safe) and minimizing GC (i.e. 
byte[] result;
if (buf.hasArray() && buf.arrayOffset() == 0 && buf.capacity() == buf.remaining()) {
    result = buf.array();
} else {
    result = new byte[buf.remaining()];
    if (buf.hasArray()) {
        System.arraycopy(buf.array(), buf.arrayOffset() + buf.position(), result, 0, result.length);
    } else {
...
byte[]asByteArray(ByteBuffer buf)
as Byte Array 
byte[] bytes = new byte[buf.remaining()];
buf.get(bytes);
return bytes;
byte[]byteBufferToByteArray(ByteBuffer buf)
byte Buffer To Byte Array 
ByteBuffer str = buf.duplicate();
str.rewind();
byte[] dst = new byte[str.limit()];
str.get(dst);
return dst;
byte[]ByteBufferToByteArray(ByteBuffer byteBuffer)
ByteBuffer to byte[] 
byteBuffer.rewind();
byte[] bytes = new byte[byteBuffer.remaining()];
byteBuffer.get(bytes);
byteBuffer.rewind();
return bytes;
byte[]byteBufferToByteArray(ByteBuffer byteBuffer)
byte Buffer To Byte Array 
if (wrapsFullArray(byteBuffer)) {
    return byteBuffer.array();
byte[] target = new byte[byteBuffer.remaining()];
byteBufferToByteArray(byteBuffer, target, 0);
return target;
ArrayListbyteBufferToByteArray(List byteBufferList)
byte Buffer To Byte Array 
List<byte[]> result = new ArrayList<byte[]>();
for (ByteBuffer buf : byteBufferList) {
    result.add(buf.array());
return (ArrayList<byte[]>) result;
byte[]byteBufferToBytes(ByteBuffer buffer)
byte Buffer To Bytes 
final byte[] array = buffer.array();
final int arrayOffset = buffer.arrayOffset();
return Arrays.copyOfRange(array, arrayOffset + buffer.position(), arrayOffset + buffer.limit());
byte[]bytes(ByteBuffer bb)
bytes 
byte[] b = new byte[bb.remaining()];
bb.duplicate().get(b);
return b;
byte[]bytes(ByteBuffer buf)
bytes 
byte[] d = new byte[buf.limit()];
buf.get(d);
return d;
byte[]convertToBytes(@Nonnull ByteBuffer buffer)
convert To Bytes 
final byte[] array = buffer.array();
final int arrayOffset = buffer.arrayOffset();
return Arrays.copyOfRange(array, arrayOffset, arrayOffset + buffer.position());