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Ameba Utilities

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/*
 * Copyright 2005-2024 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.ameba.http;

import org.ameba.annotation.ExcludeFromScan;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.context.annotation.Bean;
import org.springframework.web.client.RestTemplate;

import java.util.List;

/**
 * A LoadBalancedRestTemplateConfiguration instantiates a load balanced {@link RestTemplate} when Spring Cloud is on the classpath and
 * registers a bean with name {@literal aLoadBalanced}.
 *
 * @author Heiko Scherrer
 */
@ExcludeFromScan
@ConditionalOnClass(LoadBalanced.class)
@AutoConfiguration
public class LoadBalancedRestTemplateConfiguration {

    @ConditionalOnMissingBean(name = "aLoadBalanced")
    @LoadBalanced
    @Bean(name = "aLoadBalanced")
    public RestTemplate aLoadBalanced(List baseInterceptors) {
        var restTemplate = new RestTemplate();
        restTemplate.getInterceptors().addAll(baseInterceptors);
        return restTemplate;
    }
}