io.reactivex.netty.protocol.http.client.HttpClientBuilder Maven / Gradle / Ivy

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rx-netty developed by Netflix
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/*
 * Copyright 2014 Netflix, Inc.
 *
 * 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 io.reactivex.netty.protocol.http.client;

import io.netty.bootstrap.Bootstrap;
import io.reactivex.netty.channel.ObservableConnection;
import io.reactivex.netty.client.AbstractClientBuilder;
import io.reactivex.netty.client.ClientChannelFactory;
import io.reactivex.netty.client.ClientChannelFactoryImpl;
import io.reactivex.netty.client.ClientConnectionFactory;
import io.reactivex.netty.client.ClientMetricsEvent;
import io.reactivex.netty.client.ConnectionPoolBuilder;
import io.reactivex.netty.client.UnpooledClientConnectionFactory;
import io.reactivex.netty.metrics.MetricEventsListener;
import io.reactivex.netty.metrics.MetricEventsListenerFactory;
import io.reactivex.netty.pipeline.PipelineConfigurators;

/**
 * @param  The type of the content of request.
 * @param  The type of the content of response.
 *
 * @author Nitesh Kant
 */
public class HttpClientBuilder
        extends AbstractClientBuilder, HttpClientResponse, HttpClientBuilder, HttpClient> {


    public HttpClientBuilder(String host, int port) {
        this(host, port, new Bootstrap());
    }

    public HttpClientBuilder(String host, int port, Bootstrap bootstrap) {
        this(bootstrap, host, port,
             new UnpooledClientConnectionFactory, HttpClientRequest>(),
             new ClientChannelFactoryImpl, HttpClientRequest>(bootstrap));
    }

    public HttpClientBuilder(Bootstrap bootstrap, String host, int port,
                             ClientConnectionFactory, HttpClientRequest,
                                     ? extends ObservableConnection, HttpClientRequest>> connectionFactory,
                             ClientChannelFactory, HttpClientRequest> factory) {
        super(bootstrap, host, port, connectionFactory, factory);
        clientConfig = HttpClient.HttpClientConfig.Builder.newDefaultConfig();
        pipelineConfigurator(PipelineConfigurators.httpClientConfigurator());
    }

    public HttpClientBuilder(Bootstrap bootstrap, String host, int port,
                             ConnectionPoolBuilder, HttpClientRequest> poolBuilder) {
        super(bootstrap, host, port, poolBuilder);
        clientConfig = HttpClient.HttpClientConfig.Builder.newDefaultConfig();
        pipelineConfigurator(PipelineConfigurators.httpClientConfigurator());
    }

    @Override
    protected HttpClient createClient() {
        if (null == poolBuilder) {
            return new HttpClientImpl(getOrCreateName(), serverInfo, bootstrap, pipelineConfigurator,
                                            clientConfig, channelFactory, connectionFactory, eventsSubject);
        }
        return new HttpClientImpl(getOrCreateName(), serverInfo, bootstrap, pipelineConfigurator, clientConfig,
                                        poolBuilder, eventsSubject);
    }

    @Override
    protected String generatedNamePrefix() {
        return "HttpClient-";
    }

    @Override
    protected MetricEventsListener>
    newMetricsListener(MetricEventsListenerFactory factory, HttpClient client) {
        return factory.forHttpClient(client);
    }
}