public synchronized boolean enqueue(ByteBuffer byteBuffer) {
if (byteBuffer.remaining() == 0) {
return false;
}
if (queue.size() > 0) {
ByteBuffer tail = queue.getLast();
if (tail.hasRemaining()) {
topUpBuffer(tail, byteBuffer);
}
}
while (byteBuffer.hasRemaining()) {
ByteBuffer newBuf = bufferFactory.newBuffer();
topUpBuffer(newBuf, byteBuffer);
queue.addLast(newBuf);
}
facade.modifyInterestOps(SelectionKey.OP_WRITE, 0);
return true;
}
public synchronized int drainTo(ByteChannel channel) throws IOException {
int bytesWritten = 0;
while (true) {
if (active == null) {
if (queue.size() == 0) break;
active = queue.removeFirst();
active.flip();
}
int rc = channel.write(active);
bytesWritten += rc;
if (!active.hasRemaining()) {
bufferFactory.returnBuffer(active);
active = null;
}
if (rc == 0) break;
}
return bytesWritten;
}