private UnexpandableByteBuffer allocate0( int capacity, boolean direct )
{
ExpiringStack[] bufferStacks = direct ? directBufferStacks : heapBufferStacks;
int idx = getBufferStackIndex( bufferStacks, capacity );
ExpiringStack stack = bufferStacks[idx];
UnexpandableByteBuffer buf;
synchronized( stack )
{
buf = ( UnexpandableByteBuffer ) stack.pop();
}
if( buf == null )
{
java.nio.ByteBuffer nioBuf =