LastInboundHandler.java — netty Source File

Source Code

/*
 * Copyright 2016 The Netty Project
 *
 * The Netty Project 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:
 *
 *   https://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.netty.handler.codec.http2;

import io.netty.channel.Channel;
import io.netty.channel.ChannelDuplexHandler;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.embedded.EmbeddedChannel;
import io.netty.util.ReferenceCountUtil;
import io.netty.util.internal.PlatformDependent;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.locks.LockSupport;

import static io.netty.util.internal.ObjectUtil.checkNotNull;
import static java.util.concurrent.TimeUnit.MILLISECONDS;

/**
 * Channel handler that allows to easily access inbound messages.
 */
public class LastInboundHandler extends ChannelDuplexHandler {
    private final List<Object> queue = new ArrayList<Object>();
    private final Consumer<ChannelHandlerContext> channelReadCompleteConsumer;
    private Throwable lastException;
    private ChannelHandlerContext ctx;
    private boolean channelActive;
    private String writabilityStates = "";

    // TODO(scott): use JDK 8's Consumer
    public interface Consumer<T> {
        void accept(T obj);
    }

    private static final Consumer<Object> NOOP_CONSUMER = new Consumer<Object>() {
        @Override
        public void accept(Object obj) {
        }
    };

    @SuppressWarnings("unchecked")
    public static <T> Consumer<T> noopConsumer() {
        return (Consumer<T>) NOOP_CONSUMER;
    }

    public LastInboundHandler() {
// ... (163 more lines)