BufferUtil.clearToFill(buf);
buf.put(new byte[]
{ (byte)0x89, 0x05, 0x48, 0x65, 0x6c, 0x6c, 0x6f });
BufferUtil.flipToFlush(buf,0);
WebSocketPolicy policy = new WebSocketPolicy(WebSocketBehavior.CLIENT);
Parser parser = new UnitParser(policy);
IncomingFramesCapture capture = new IncomingFramesCapture();
parser.setIncomingFramesHandler(capture);
parser.parse(buf);