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//========================================================================
//Copyright 2011-2012 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.spdy.generator;
import java.nio.ByteBuffer;
import org.eclipse.jetty.spdy.ByteBufferPool;
import org.eclipse.jetty.spdy.frames.ControlFrame;
public abstract class ControlFrameGenerator
{
private final ByteBufferPool bufferPool;
protected ControlFrameGenerator(ByteBufferPool bufferPool)
{
this.bufferPool = bufferPool;
}
protected ByteBufferPool getByteBufferPool()
{
return bufferPool;
}
public abstract ByteBuffer generate(ControlFrame frame);
protected void generateControlFrameHeader(ControlFrame frame, int frameLength, ByteBuffer buffer)
{
buffer.putShort((short)(0x8000 + frame.getVersion()));
buffer.putShort(frame.getType().getCode());
int flagsAndLength = frame.getFlags();
flagsAndLength <<= 24;
flagsAndLength += frameLength;
buffer.putInt(flagsAndLength);
}
}
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