/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2014 Red Hat, Inc., and individual contributors
 * as indicated by the @author tags.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package io.undertow.protocols.http2;

import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.List;

Author:Stuart Douglas
/** * @author Stuart Douglas */
class Http2SettingsParser extends Http2PushBackParser { private int count = 0; private final List<Http2Setting> settings = new ArrayList<>(); Http2SettingsParser(int frameLength) { super(frameLength); } @Override protected void handleData(ByteBuffer resource, Http2FrameHeaderParser parser) { while (count < parser.length) { if (resource.remaining() < 6) { return; } int id = (resource.get() & 0xFF) << 8; id += (resource.get() & 0xFF); long value = (resource.get() & 0xFFL) << 24; value += (resource.get() & 0xFFL) << 16; value += (resource.get() & 0xFFL) << 8; value += (resource.get() & 0xFFL); settings.add(new Http2Setting(id, value)); count += 6; } } public List<Http2Setting> getSettings() { return settings; } }