| // |
| // ======================================================================== |
| // 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.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 |
| } |
| } |