com.cloudant.http.internal.ok.OkHttpClientHttpUrlConnectionFactory.java Source code

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Here is the source code for com.cloudant.http.internal.ok.OkHttpClientHttpUrlConnectionFactory.java

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/*
 * Copyright (c) 2015 IBM Corp. 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
 *
 * 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 com.cloudant.http.internal.ok;

import com.cloudant.http.internal.DefaultHttpUrlConnectionFactory;
import com.squareup.okhttp.ConnectionSpec;
import com.squareup.okhttp.OkHttpClient;
import com.squareup.okhttp.OkUrlFactory;

import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Arrays;
import java.util.logging.Logger;

/**
 * Provides HttpUrlConnections by using an OkHttpClient.
 */
public class OkHttpClientHttpUrlConnectionFactory extends DefaultHttpUrlConnectionFactory {

    private static final Logger logger = Logger.getLogger(OkHttpClientHttpUrlConnectionFactory.class.getName());

    private final OkHttpClient client;
    private final OkUrlFactory factory;

    private final static boolean okUsable;

    static {
        Class<?> okFactoryClass;
        try {
            okFactoryClass = Class.forName("com.squareup.okhttp.OkUrlFactory");
        } catch (Throwable t) {
            okFactoryClass = null;
        }
        okUsable = (okFactoryClass != null);
    }

    public static boolean isOkUsable() {
        return okUsable;
    }

    public OkHttpClientHttpUrlConnectionFactory() {
        client = new OkHttpClient();
        client.setConnectionSpecs(Arrays.asList(new ConnectionSpec[] { ConnectionSpec.CLEARTEXT, // for http
                new ConnectionSpec.Builder(ConnectionSpec.MODERN_TLS).allEnabledTlsVersions()
                        .allEnabledCipherSuites().build() // for https
        }));
        factory = new OkUrlFactory(client);
    }

    @Override
    public HttpURLConnection openConnection(URL url) throws IOException {
        return factory.open(url);
    }

    @Override
    public void setProxy(URL proxyUrl) {
        super.setProxy(proxyUrl);
        client.setProxy(proxy);
        logger.config(String.format("Configured HTTP proxy url %s", proxyUrl));
    }

    public OkHttpClient getOkHttpClient() {
        return client;
    }

}