org.eclipse.jetty.websocket.FixedMaskGen Maven / Gradle / Ivy
//
// ========================================================================
// Copyright (c) 1995-2014 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;
public class FixedMaskGen implements MaskGen
{
private final byte[] _mask;
public FixedMaskGen()
{
this(new byte[]{(byte)0xff,(byte)0xff,(byte)0xff,(byte)0xff});
}
public FixedMaskGen(byte[] mask)
{
_mask=new byte[4];
// Copy to avoid that external code keeps a reference
// to the array parameter to modify masking on-the-fly
System.arraycopy(mask, 0, _mask, 0, 4);
}
public void genMask(byte[] mask)
{
System.arraycopy(_mask, 0, mask, 0, 4);
}
}