1 //
2 // ========================================================================
3 // Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
4 // ------------------------------------------------------------------------
5 // All rights reserved. This program and the accompanying materials
6 // are made available under the terms of the Eclipse Public License v1.0
7 // and Apache License v2.0 which accompanies this distribution.
8 //
9 // The Eclipse Public License is available at
10 // http://www.eclipse.org/legal/epl-v10.html
11 //
12 // The Apache License v2.0 is available at
13 // http://www.opensource.org/licenses/apache2.0.php
14 //
15 // You may elect to redistribute this code under either of these licenses.
16 // ========================================================================
17 //
18
19 package org.eclipse.jetty.http2.generator;
20
21 import java.nio.ByteBuffer;
22
23 import org.eclipse.jetty.http2.frames.Frame;
24 import org.eclipse.jetty.http2.frames.FrameType;
25 import org.eclipse.jetty.io.ByteBufferPool;
26
27 public abstract class FrameGenerator
28 {
29 private final HeaderGenerator headerGenerator;
30
31 protected FrameGenerator(HeaderGenerator headerGenerator)
32 {
33 this.headerGenerator = headerGenerator;
34 }
35
36 public abstract void generate(ByteBufferPool.Lease lease, Frame frame);
37
38 protected ByteBuffer generateHeader(ByteBufferPool.Lease lease, FrameType frameType, int length, int flags, int streamId)
39 {
40 return headerGenerator.generate(lease, frameType, Frame.HEADER_LENGTH + length, length, flags, streamId);
41 }
42
43 public int getMaxFrameSize()
44 {
45 return headerGenerator.getMaxFrameSize();
46 }
47 }