/*
* 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
*/
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;
}
}