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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.io.ByteBufferPool;
import org.eclipse.jetty.spdy.frames.ControlFrame;
import org.eclipse.jetty.spdy.frames.WindowUpdateFrame;
import org.eclipse.jetty.util.BufferUtil;
public class WindowUpdateGenerator extends ControlFrameGenerator
{
public WindowUpdateGenerator(ByteBufferPool bufferPool)
{
super(bufferPool);
}
@Override
public ByteBuffer generate(ControlFrame frame)
{
WindowUpdateFrame windowUpdate = (WindowUpdateFrame)frame;
int frameBodyLength = 8;
int totalLength = ControlFrame.HEADER_LENGTH + frameBodyLength;
ByteBuffer buffer = getByteBufferPool().acquire(totalLength, true);
BufferUtil.clearToFill(buffer);
generateControlFrameHeader(windowUpdate, frameBodyLength, buffer);
buffer.putInt(windowUpdate.getStreamId() & 0x7F_FF_FF_FF);
buffer.putInt(windowUpdate.getWindowDelta() & 0x7F_FF_FF_FF);
buffer.flip();
return buffer;
}
}
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