001/*
002 * Copyright 2012-2018 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.boot.autoconfigure.elasticsearch.jest;
018
019import java.time.Duration;
020
021import com.google.gson.Gson;
022import io.searchbox.client.JestClient;
023import io.searchbox.client.JestClientFactory;
024import io.searchbox.client.config.HttpClientConfig;
025import org.apache.http.HttpHost;
026
027import org.springframework.beans.factory.ObjectProvider;
028import org.springframework.boot.autoconfigure.AutoConfigureAfter;
029import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
030import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
031import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
032import org.springframework.boot.autoconfigure.elasticsearch.jest.JestProperties.Proxy;
033import org.springframework.boot.autoconfigure.gson.GsonAutoConfiguration;
034import org.springframework.boot.context.properties.EnableConfigurationProperties;
035import org.springframework.boot.context.properties.PropertyMapper;
036import org.springframework.context.annotation.Bean;
037import org.springframework.context.annotation.Configuration;
038import org.springframework.util.Assert;
039
040/**
041 * {@link EnableAutoConfiguration Auto-configuration} for Jest.
042 *
043 * @author Stephane Nicoll
044 * @since 1.4.0
045 */
046@Configuration
047@ConditionalOnClass(JestClient.class)
048@EnableConfigurationProperties(JestProperties.class)
049@AutoConfigureAfter(GsonAutoConfiguration.class)
050public class JestAutoConfiguration {
051
052        private final JestProperties properties;
053
054        private final ObjectProvider<Gson> gsonProvider;
055
056        private final ObjectProvider<HttpClientConfigBuilderCustomizer> builderCustomizers;
057
058        public JestAutoConfiguration(JestProperties properties, ObjectProvider<Gson> gson,
059                        ObjectProvider<HttpClientConfigBuilderCustomizer> builderCustomizers) {
060                this.properties = properties;
061                this.gsonProvider = gson;
062                this.builderCustomizers = builderCustomizers;
063        }
064
065        @Bean(destroyMethod = "shutdownClient")
066        @ConditionalOnMissingBean
067        public JestClient jestClient() {
068                JestClientFactory factory = new JestClientFactory();
069                factory.setHttpClientConfig(createHttpClientConfig());
070                return factory.getObject();
071        }
072
073        protected HttpClientConfig createHttpClientConfig() {
074                HttpClientConfig.Builder builder = new HttpClientConfig.Builder(
075                                this.properties.getUris());
076                PropertyMapper map = PropertyMapper.get();
077                map.from(this.properties::getUsername).whenHasText().to((username) -> builder
078                                .defaultCredentials(username, this.properties.getPassword()));
079                Proxy proxy = this.properties.getProxy();
080                map.from(proxy::getHost).whenHasText().to((host) -> {
081                        Assert.notNull(proxy.getPort(), "Proxy port must not be null");
082                        builder.proxy(new HttpHost(host, proxy.getPort()));
083                });
084                map.from(this.gsonProvider::getIfUnique).whenNonNull().to(builder::gson);
085                map.from(this.properties::isMultiThreaded).to(builder::multiThreaded);
086                map.from(this.properties::getConnectionTimeout).whenNonNull()
087                                .asInt(Duration::toMillis).to(builder::connTimeout);
088                map.from(this.properties::getReadTimeout).whenNonNull().asInt(Duration::toMillis)
089                                .to(builder::readTimeout);
090                customize(builder);
091                return builder.build();
092        }
093
094        private void customize(HttpClientConfig.Builder builder) {
095                this.builderCustomizers.orderedStream()
096                                .forEach((customizer) -> customizer.customize(builder));
097        }
098
099}