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InsertCountIncrementInstruction.java
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InsertCountIncrementInstruction.java
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//
// ========================================================================
// Copyright (c) 1995-2022 Mort Bay Consulting Pty Ltd and others.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
// which is available at https://www.apache.org/licenses/LICENSE-2.0.
//
// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
// ========================================================================
//
package org.eclipse.jetty.http3.qpack.internal.instruction;
import java.nio.ByteBuffer;
import org.eclipse.jetty.http3.qpack.Instruction;
import org.eclipse.jetty.http3.qpack.internal.util.NBitIntegerEncoder;
import org.eclipse.jetty.io.ByteBufferPool;
import org.eclipse.jetty.util.BufferUtil;
public class InsertCountIncrementInstruction implements Instruction
{
private final int _increment;
public InsertCountIncrementInstruction(int increment)
{
_increment = increment;
}
public int getIncrement()
{
return _increment;
}
@Override
public void encode(ByteBufferPool.Lease lease)
{
int size = NBitIntegerEncoder.octectsNeeded(6, _increment) + 1;
ByteBuffer buffer = lease.acquire(size, false);
buffer.put((byte)0x00);
NBitIntegerEncoder.encode(buffer, 6, _increment);
BufferUtil.flipToFlush(buffer, 0);
lease.append(buffer, true);
}
@Override
public String toString()
{
return String.format("%s@%x", getClass().getSimpleName(), hashCode());
}
}