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The AWS SDK for Java Mobile - Core module holds the classes that is used by the individual service clients to interact with Amazon Web Services. Users need to depend on aws-java-sdk artifact for accessing individual client classes.

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/*
 * Copyright 2011-2018 Amazon.com, 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.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file 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 com.amazonaws.http;

import com.amazonaws.ClientConfiguration;

import org.apache.http.conn.params.ConnManagerParams;
import org.apache.http.conn.params.ConnPerRouteBean;
import org.apache.http.conn.scheme.PlainSocketFactory;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;
import org.apache.http.params.HttpParams;

/**
 * Responsible for creating and configuring instances of Apache HttpClient 4.0's
 * Connection Manager.
 */
class ConnectionManagerFactory {

    private static final int DEFAULT_HTTP_PORT = 80;
    private static final int DEFAULT_HTTPS_PORT = 443;

    public static ThreadSafeClientConnManager createThreadSafeClientConnManager(
            ClientConfiguration config, HttpParams httpClientParams) {
        ConnManagerParams.setMaxConnectionsPerRoute(httpClientParams,
                new ConnPerRouteBean(config.getMaxConnections()));
        ConnManagerParams.setMaxTotalConnections(httpClientParams, config.getMaxConnections());

        SSLSocketFactory sslSocketFactory = SSLSocketFactory.getSocketFactory();
        sslSocketFactory.setHostnameVerifier(SSLSocketFactory.STRICT_HOSTNAME_VERIFIER);

        SchemeRegistry registry = new SchemeRegistry();
        registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), DEFAULT_HTTP_PORT));
        registry.register(new Scheme("https", sslSocketFactory, DEFAULT_HTTPS_PORT));

        ThreadSafeClientConnManager connectionManager = new ThreadSafeClientConnManager(
                httpClientParams, registry);
        if (config.useReaper()) {
            IdleConnectionReaper.registerConnectionManager(connectionManager);
        }
        return connectionManager;
    }
}