org.springframework.boot.autoconfigure.web.client.RestTemplateAutoConfiguration Maven / Gradle / Ivy
/*
* Copyright 2012-2017 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.web.client;
import java.util.ArrayList;
import java.util.List;
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.http.HttpMessageConverters;
import org.springframework.boot.autoconfigure.http.HttpMessageConvertersAutoConfiguration;
import org.springframework.boot.web.client.RestTemplateBuilder;
import org.springframework.boot.web.client.RestTemplateCustomizer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.annotation.AnnotationAwareOrderComparator;
import org.springframework.util.CollectionUtils;
import org.springframework.web.client.RestTemplate;
/**
* {@link EnableAutoConfiguration Auto-configuration} for {@link RestTemplate}.
*
* @author Stephane Nicoll
* @author Phillip Webb
* @since 1.4.0
*/
@Configuration
@AutoConfigureAfter(HttpMessageConvertersAutoConfiguration.class)
@ConditionalOnClass(RestTemplate.class)
public class RestTemplateAutoConfiguration {
private final ObjectProvider messageConverters;
private final ObjectProvider> restTemplateCustomizers;
public RestTemplateAutoConfiguration(
ObjectProvider messageConverters,
ObjectProvider> restTemplateCustomizers) {
this.messageConverters = messageConverters;
this.restTemplateCustomizers = restTemplateCustomizers;
}
@Bean
@ConditionalOnMissingBean
public RestTemplateBuilder restTemplateBuilder() {
RestTemplateBuilder builder = new RestTemplateBuilder();
HttpMessageConverters converters = this.messageConverters.getIfUnique();
if (converters != null) {
builder = builder.messageConverters(converters.getConverters());
}
List customizers = this.restTemplateCustomizers
.getIfAvailable();
if (!CollectionUtils.isEmpty(customizers)) {
customizers = new ArrayList<>(customizers);
AnnotationAwareOrderComparator.sort(customizers);
builder = builder.customizers(customizers);
}
return builder;
}
}