| // |
| // ======================================================================== |
| // Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd. |
| // ------------------------------------------------------------------------ |
| // All rights reserved. This program and the accompanying materials |
| // are made available under the terms of the Eclipse Public License v1.0 |
| // and Apache License v2.0 which accompanies this distribution. |
| // |
| // The Eclipse Public License is available at |
| // http://www.eclipse.org/legal/epl-v10.html |
| // |
| // The Apache License v2.0 is available at |
| // http://www.opensource.org/licenses/apache2.0.php |
| // |
| // You may elect to redistribute this code under either of these licenses. |
| // ======================================================================== |
| // |
| |
| package org.eclipse.jetty.websocket.common.util; |
| |
| import java.nio.ByteBuffer; |
| |
| public class MaskedByteBuffer |
| { |
| private static byte[] mask = new byte[] |
| { 0x00, (byte)0xF0, 0x0F, (byte)0xFF }; |
| |
| public static void putMask(ByteBuffer buffer) |
| { |
| buffer.put(mask,0,mask.length); |
| } |
| |
| public static void putPayload(ByteBuffer buffer, byte[] payload) |
| { |
| int len = payload.length; |
| for (int i = 0; i < len; i++) |
| { |
| buffer.put((byte)(payload[i] ^ mask[i % 4])); |
| } |
| } |
| |
| public static void putPayload(ByteBuffer buffer, ByteBuffer payload) |
| { |
| int len = payload.remaining(); |
| for (int i = 0; i < len; i++) |
| { |
| buffer.put((byte)(payload.get() ^ mask[i % 4])); |
| } |
| } |
| } |