org.springframework.hateoas.config.RestTemplateHateoasConfiguration Maven / Gradle / Ivy
/*
* Copyright 2019-2022 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
*
* https://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.hateoas.config;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.ObjectFactory;
import org.springframework.beans.factory.config.BeanPostProcessor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Lazy;
import org.springframework.lang.NonNull;
import org.springframework.web.client.RestTemplate;
/**
* Spring MVC HATEOAS Configuration
*
* @author Greg Turnquist
* @author Oliver Drotbohm
*/
@Configuration(proxyBeanMethods = false)
class RestTemplateHateoasConfiguration {
@Bean
static HypermediaRestTemplateBeanPostProcessor hypermediaRestTemplateBeanPostProcessor(
ObjectFactory configurer) {
return new HypermediaRestTemplateBeanPostProcessor(configurer);
}
@Bean
@Lazy
HypermediaRestTemplateConfigurer hypermediaRestTemplateConfigurer(WebConverters converters) {
return new HypermediaRestTemplateConfigurer(converters);
}
/**
* {@link BeanPostProcessor} to register hypermedia support with {@link RestTemplate} instances found in the
* application context.
*
* @author Oliver Gierke
* @author Greg Turnquist
*/
static class HypermediaRestTemplateBeanPostProcessor implements BeanPostProcessor {
private final ObjectFactory configurer;
public HypermediaRestTemplateBeanPostProcessor(ObjectFactory configurer) {
this.configurer = configurer;
}
/*
* (non-Javadoc)
* @see org.springframework.beans.factory.config.BeanPostProcessor#postProcessBeforeInitialization(java.lang.Object, java.lang.String)
*/
@NonNull
@Override
public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
return !RestTemplate.class.isInstance(bean) //
? bean
: this.configurer.getObject().registerHypermediaTypes((RestTemplate) bean);
}
}
}