modules/rest/src/main/java/org/apache/ignite/rest/netty/RestApiInitializer.java

/*
 * 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.ignite.rest.netty;

import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.socket.SocketChannel;
import io.netty.handler.codec.http.HttpObjectAggregator;
import io.netty.handler.codec.http.HttpServerCodec;
import io.netty.handler.codec.http.HttpServerExpectContinueHandler;
import org.apache.ignite.rest.routes.Router;

/**
 * Initializes channel with needed handlers for HTTP processing.
 */
public class RestApiInitializer extends ChannelInitializer<SocketChannel> {
    /** Router. */
    private final Router router;

    /**
     * Creates a new instance of initializer.
     *
     * @param router Router.
     */
    public RestApiInitializer(Router router) {
        this.router = router;
    }

    /** {@inheritDoc} */
    @Override public void initChannel(SocketChannel ch) {
        ChannelPipeline p = ch.pipeline();
        p.addLast(new HttpServerCodec());
        p.addLast(new HttpServerExpectContinueHandler());
        p.addLast(new HttpObjectAggregator(Integer.MAX_VALUE));
        p.addLast(new RestApiHandler(router));
    }
}