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//
// ========================================================================
// 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]));
}
}
}
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