FrameGenerator.java

//
//  ========================================================================
//  Copyright (c) 1995-2017 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.http2.generator;

import java.nio.ByteBuffer;

import org.eclipse.jetty.http2.frames.Frame;
import org.eclipse.jetty.http2.frames.FrameType;
import org.eclipse.jetty.io.ByteBufferPool;

public abstract class FrameGenerator
{
    private final HeaderGenerator headerGenerator;

    protected FrameGenerator(HeaderGenerator headerGenerator)
    {
        this.headerGenerator = headerGenerator;
    }

    public abstract int generate(ByteBufferPool.Lease lease, Frame frame);

    protected ByteBuffer generateHeader(ByteBufferPool.Lease lease, FrameType frameType, int length, int flags, int streamId)
    {
        return headerGenerator.generate(lease, frameType, Frame.HEADER_LENGTH + length, length, flags, streamId);
    }

    public int getMaxFrameSize()
    {
        return headerGenerator.getMaxFrameSize();
    }
}