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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2021-2023 Nordix Foundation
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.cps.ncmp.api.impl.config;
import java.util.Arrays;
import lombok.AccessLevel;
import lombok.Getter;
import lombok.RequiredArgsConstructor;
import org.apache.hc.client5.http.config.ConnectionConfig;
import org.apache.hc.client5.http.impl.classic.CloseableHttpClient;
import org.apache.hc.client5.http.impl.classic.HttpClients;
import org.apache.hc.client5.http.impl.io.PoolingHttpClientConnectionManager;
import org.apache.hc.client5.http.impl.io.PoolingHttpClientConnectionManagerBuilder;
import org.apache.hc.core5.util.TimeValue;
import org.apache.hc.core5.util.Timeout;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.beans.factory.config.ConfigurableBeanFactory;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.boot.web.client.RestTemplateBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Scope;
import org.springframework.http.MediaType;
import org.springframework.http.client.ClientHttpRequestFactory;
import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.stereotype.Component;
import org.springframework.web.client.RestTemplate;
@Configuration
@EnableConfigurationProperties(HttpClientConfiguration.class)
@RequiredArgsConstructor(access = AccessLevel.PROTECTED)
public class NcmpConfiguration {
@Getter
@Component
public static class DmiProperties {
@Value("${ncmp.dmi.auth.username}")
private String authUsername;
@Value("${ncmp.dmi.auth.password}")
private String authPassword;
@Value("${ncmp.dmi.api.base-path}")
private String dmiBasePath;
@Value("${ncmp.dmi.auth.enabled}")
private boolean dmiBasicAuthEnabled;
}
/**
* Rest template bean.
*
* @param restTemplateBuilder the rest template builder
* @param httpClientConfiguration the http client configuration
* @return rest template instance
*/
@Bean
@Scope(ConfigurableBeanFactory.SCOPE_SINGLETON)
public static RestTemplate restTemplate(final RestTemplateBuilder restTemplateBuilder,
final HttpClientConfiguration httpClientConfiguration) {
final ConnectionConfig connectionConfig = ConnectionConfig.copy(ConnectionConfig.DEFAULT)
.setConnectTimeout(Timeout.of(httpClientConfiguration.getConnectionTimeoutInSeconds()))
.build();
final PoolingHttpClientConnectionManager connectionManager = PoolingHttpClientConnectionManagerBuilder.create()
.setDefaultConnectionConfig(connectionConfig)
.setMaxConnTotal(httpClientConfiguration.getMaximumConnectionsTotal())
.setMaxConnPerRoute(httpClientConfiguration.getMaximumConnectionsPerRoute())
.build();
final CloseableHttpClient httpClient = HttpClients.custom()
.setConnectionManager(connectionManager)
.evictExpiredConnections()
.evictIdleConnections(
TimeValue.of(httpClientConfiguration.getIdleConnectionEvictionThresholdInSeconds()))
.build();
final ClientHttpRequestFactory requestFactory = new HttpComponentsClientHttpRequestFactory(httpClient);
final RestTemplate restTemplate = restTemplateBuilder
.requestFactory(() -> requestFactory)
.setConnectTimeout(httpClientConfiguration.getConnectionTimeoutInSeconds())
.build();
setRestTemplateMessageConverters(restTemplate);
return restTemplate;
}
private static void setRestTemplateMessageConverters(final RestTemplate restTemplate) {
final MappingJackson2HttpMessageConverter mappingJackson2HttpMessageConverter =
new MappingJackson2HttpMessageConverter();
mappingJackson2HttpMessageConverter.setSupportedMediaTypes(
Arrays.asList(MediaType.APPLICATION_JSON, MediaType.TEXT_PLAIN));
restTemplate.getMessageConverters().add(mappingJackson2HttpMessageConverter);
}
}
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