| // |
| // ======================================================================== |
| // 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.spdy.generator; |
| |
| import java.nio.ByteBuffer; |
| |
| import org.eclipse.jetty.io.ByteBufferPool; |
| import org.eclipse.jetty.spdy.frames.ControlFrame; |
| |
| public abstract class ControlFrameGenerator |
| { |
| private final ByteBufferPool bufferPool; |
| |
| protected ControlFrameGenerator(ByteBufferPool bufferPool) |
| { |
| this.bufferPool = bufferPool; |
| } |
| |
| protected ByteBufferPool getByteBufferPool() |
| { |
| return bufferPool; |
| } |
| |
| public abstract ByteBuffer generate(ControlFrame frame); |
| |
| protected void generateControlFrameHeader(ControlFrame frame, int frameLength, ByteBuffer buffer) |
| { |
| buffer.putShort((short)(0x8000 + frame.getVersion())); |
| buffer.putShort(frame.getType().getCode()); |
| int flagsAndLength = frame.getFlags(); |
| flagsAndLength <<= 24; |
| flagsAndLength += frameLength; |
| buffer.putInt(flagsAndLength); |
| } |
| } |