gistfile1.java

                    if (byteToRead > 0) {
                        int minBytes = Math.min(8192, byteToRead);
                        byte[] bytes = new byte[minBytes];
                        int leftBytes = minBytes < 8192 ? 0 : byteToRead - 8192;
                        int read = 0;
                        while (leftBytes > -1) {

                            read = stream.read(bytes);
                            if (read == -1) {
                                break;
                            }

                            future.touch();
                            asyncHandler.onBodyPartReceived(new ResponseBodyPart(uri, bytes, JDKAsyncHttpProvider.this));

                            if (leftBytes > 8192) {
                                leftBytes -= read;
                                bytes = new byte[minBytes];
                            } else if (leftBytes <= 8192 && leftBytes > 0) {
                                bytes = new byte[leftBytes];
                                leftBytes = 0;
                            } else {
                                leftBytes = -1;
                            }
                            System.out.println("===> " + leftBytes);
                        }
                    }