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//
// ========================================================================
// 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.spdy.parser;
import java.nio.ByteBuffer;
public class UnknownControlFrameBodyParser extends ControlFrameBodyParser
{
private final ControlFrameParser controlFrameParser;
private State state = State.BODY;
private int remaining;
public UnknownControlFrameBodyParser(ControlFrameParser controlFrameParser)
{
this.controlFrameParser = controlFrameParser;
}
@Override
public boolean parse(ByteBuffer buffer)
{
switch (state)
{
case BODY:
{
remaining = controlFrameParser.getLength();
state = State.CONSUME;
// Fall down
}
case CONSUME:
{
int consume = Math.min(remaining, buffer.remaining());
buffer.position(buffer.position() + consume);
remaining -= consume;
if (remaining > 0)
return false;
reset();
return true;
}
default:
{
throw new IllegalStateException();
}
}
}
private void reset()
{
state = State.BODY;
remaining = 0;
}
private enum State
{
BODY, CONSUME
}
}
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