| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.mina.http2.impl; |
| |
| import java.nio.ByteBuffer; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| |
| import org.apache.mina.http2.api.Http2Setting; |
| import org.apache.mina.http2.api.Http2SettingsFrame.Http2SettingsFrameBuilder; |
| import org.apache.mina.http2.impl.Http2FrameHeadePartialDecoder.Http2FrameHeader; |
| |
| /** |
| * |
| * @author <a href="http://mina.apache.org">Apache MINA Project</a> |
| */ |
| public class Http2SettingsFrameDecoder extends Http2FrameDecoder { |
| |
| private int remaining; |
| |
| private LongPartialDecoder decoder = new LongPartialDecoder(6); |
| |
| private Http2SettingsFrameBuilder builder = new Http2SettingsFrameBuilder(); |
| |
| private Collection<Http2Setting> settings = new ArrayList<Http2Setting>(); |
| |
| public Http2SettingsFrameDecoder(Http2FrameHeader header) { |
| super(header); |
| remaining = header.getLength() / 6; |
| initBuilder(builder); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.apache.mina.http2.api.PartialDecoder#consume(java.nio.ByteBuffer) |
| */ |
| @Override |
| public boolean consume(ByteBuffer buffer) { |
| while ((getValue() == null) && buffer.remaining() > 0) { |
| if (decoder.consume(buffer)) { |
| remaining--; |
| Http2Setting setting = new Http2Setting(); |
| setting.setID((int) ((decoder.getValue() & 0x00FFFF00000000L) >> 32)); |
| setting.setValue((decoder.getValue() & 0x00FFFFFFFFL)); |
| settings.add(setting); |
| decoder.reset(); |
| if (remaining == 0) { |
| builder.settings(settings); |
| setValue(builder.build()); |
| } |
| } |
| } |
| return getValue() != null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.apache.mina.http2.api.PartialDecoder#reset() |
| */ |
| @Override |
| public void reset() { |
| } |
| |
| } |