org.springframework.boot.autoconfigure.elasticsearch.jest.JestAutoConfiguration.java Source code

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Here is the source code for org.springframework.boot.autoconfigure.elasticsearch.jest.JestAutoConfiguration.java

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/*
 * Copyright 2012-2016 the original author or authors.
 *
 * 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 org.springframework.boot.autoconfigure.elasticsearch.jest;

import java.util.List;

import com.google.gson.Gson;
import io.searchbox.client.JestClient;
import io.searchbox.client.JestClientFactory;
import io.searchbox.client.config.HttpClientConfig;
import org.apache.http.HttpHost;

import org.springframework.beans.factory.ObjectProvider;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.gson.GsonAutoConfiguration;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;

/**
 * {@link EnableAutoConfiguration Auto-Configuration} for Jest.
 *
 * @author Stephane Nicoll
 * @since 1.4.0
 */
@Configuration
@ConditionalOnClass(JestClient.class)
@EnableConfigurationProperties(JestProperties.class)
@AutoConfigureAfter(GsonAutoConfiguration.class)
public class JestAutoConfiguration {

    private final JestProperties properties;

    private final ObjectProvider<Gson> gsonProvider;

    private final List<HttpClientConfigBuilderCustomizer> builderCustomizers;

    public JestAutoConfiguration(JestProperties properties, ObjectProvider<Gson> gson,
            ObjectProvider<List<HttpClientConfigBuilderCustomizer>> builderCustomizers) {
        this.properties = properties;
        this.gsonProvider = gson;
        this.builderCustomizers = builderCustomizers.getIfAvailable();
    }

    @Bean(destroyMethod = "shutdownClient")
    @ConditionalOnMissingBean
    public JestClient jestClient() {
        JestClientFactory factory = new JestClientFactory();
        factory.setHttpClientConfig(createHttpClientConfig());
        return factory.getObject();
    }

    protected HttpClientConfig createHttpClientConfig() {
        HttpClientConfig.Builder builder = new HttpClientConfig.Builder(this.properties.getUris());
        if (StringUtils.hasText(this.properties.getUsername())) {
            builder.defaultCredentials(this.properties.getUsername(), this.properties.getPassword());
        }
        String proxyHost = this.properties.getProxy().getHost();
        if (StringUtils.hasText(proxyHost)) {
            Integer proxyPort = this.properties.getProxy().getPort();
            Assert.notNull(proxyPort, "Proxy port must not be null");
            builder.proxy(new HttpHost(proxyHost, proxyPort));
        }
        Gson gson = this.gsonProvider.getIfUnique();
        if (gson != null) {
            builder.gson(gson);
        }
        builder.multiThreaded(this.properties.isMultiThreaded());
        builder.connTimeout(this.properties.getConnectionTimeout()).readTimeout(this.properties.getReadTimeout());
        customize(builder);
        return builder.build();
    }

    private void customize(HttpClientConfig.Builder builder) {
        if (this.builderCustomizers != null) {
            for (HttpClientConfigBuilderCustomizer customizer : this.builderCustomizers) {
                customizer.customize(builder);
            }
        }
    }

}