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/*
 * ====================================================================
 * 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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * .
 *
 */
package org.apache.hc.client5.http.impl.async;

import java.io.Closeable;
import java.util.List;
import java.util.concurrent.ThreadFactory;

import org.apache.hc.client5.http.HttpRoute;
import org.apache.hc.client5.http.async.AsyncExecRuntime;
import org.apache.hc.client5.http.auth.AuthSchemeFactory;
import org.apache.hc.client5.http.auth.CredentialsProvider;
import org.apache.hc.client5.http.config.RequestConfig;
import org.apache.hc.client5.http.config.TlsConfig;
import org.apache.hc.client5.http.cookie.CookieSpecFactory;
import org.apache.hc.client5.http.cookie.CookieStore;
import org.apache.hc.client5.http.nio.AsyncClientConnectionManager;
import org.apache.hc.client5.http.protocol.HttpClientContext;
import org.apache.hc.client5.http.routing.HttpRoutePlanner;
import org.apache.hc.core5.annotation.Contract;
import org.apache.hc.core5.annotation.Internal;
import org.apache.hc.core5.annotation.ThreadingBehavior;
import org.apache.hc.core5.http.HttpException;
import org.apache.hc.core5.http.HttpHost;
import org.apache.hc.core5.http.config.Lookup;
import org.apache.hc.core5.http.nio.AsyncPushConsumer;
import org.apache.hc.core5.http.nio.HandlerFactory;
import org.apache.hc.core5.reactor.DefaultConnectingIOReactor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Internal implementation of {@link CloseableHttpAsyncClient} that can negotiate
 * the most optimal HTTP protocol version during during the {@code TLS} handshake
 * with {@code ALPN} extension if supported by the Java runtime.
 * 
 * Concurrent message exchanges executed by this client will get assigned to
 * separate connections leased from the connection pool.
 * 
 *
 * @since 5.0
 */
@Contract(threading = ThreadingBehavior.SAFE_CONDITIONAL)
@Internal
public final class InternalHttpAsyncClient extends InternalAbstractHttpAsyncClient {

    private static final Logger LOG = LoggerFactory.getLogger(InternalHttpAsyncClient.class);
    private final AsyncClientConnectionManager manager;
    private final HttpRoutePlanner routePlanner;
    private final TlsConfig tlsConfig;

    InternalHttpAsyncClient(
            final DefaultConnectingIOReactor ioReactor,
            final AsyncExecChainElement execChain,
            final AsyncPushConsumerRegistry pushConsumerRegistry,
            final ThreadFactory threadFactory,
            final AsyncClientConnectionManager manager,
            final HttpRoutePlanner routePlanner,
            final TlsConfig tlsConfig,
            final Lookup cookieSpecRegistry,
            final Lookup authSchemeRegistry,
            final CookieStore cookieStore,
            final CredentialsProvider credentialsProvider,
            final RequestConfig defaultConfig,
            final List closeables) {
        super(ioReactor, pushConsumerRegistry, threadFactory, execChain,
                cookieSpecRegistry, authSchemeRegistry, cookieStore, credentialsProvider, defaultConfig, closeables);
        this.manager = manager;
        this.routePlanner = routePlanner;
        this.tlsConfig = tlsConfig;
    }

    @Override
    AsyncExecRuntime createAsyncExecRuntime(final HandlerFactory pushHandlerFactory) {
        return new InternalHttpAsyncExecRuntime(LOG, manager, getConnectionInitiator(), pushHandlerFactory, tlsConfig);
    }

    @Override
    HttpRoute determineRoute(final HttpHost httpHost, final HttpClientContext clientContext) throws HttpException {
        return routePlanner.determineRoute(httpHost, clientContext);
    }

}