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HTTP functionality for the Reactor Netty library

There is a newer version: 1.2.1

/*
 * Copyright (c) 2018-2023 VMware, Inc. or its affiliates, All Rights Reserved.
 *
 * 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
 *
 *   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 reactor.netty.http.server;

import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelPromise;
import io.netty.handler.codec.DecoderException;
import io.netty.handler.codec.compression.CompressionOptions;
import io.netty.handler.codec.http.DefaultHttpContent;
import io.netty.handler.codec.http.DefaultHttpRequest;
import io.netty.handler.codec.http.FullHttpRequest;
import io.netty.handler.codec.http.HttpContentCompressor;
import io.netty.handler.codec.http.HttpRequest;
import io.netty.util.ReferenceCountUtil;

import java.util.ArrayList;
import java.util.List;

/**
 * {@link HttpContentCompressor} to enable on-demand compression.
 *
 * @author Stephane Maldini
 */
final class SimpleCompressionHandler extends HttpContentCompressor {

	SimpleCompressionHandler() {
		super((CompressionOptions[]) null);
	}

	@Override
	public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise)
			throws Exception {

		if (msg instanceof ByteBuf) {
			super.write(ctx, new DefaultHttpContent((ByteBuf) msg), promise);
		}
		else {
			super.write(ctx, msg, promise);
		}
	}

	void decode(ChannelHandlerContext ctx, HttpRequest msg) {
		List