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HttpMessageConvertersAutoConfiguration.java
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HttpMessageConvertersAutoConfiguration.java
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/*
* Copyright 2012-2024 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
*
* 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.boot.autoconfigure.http;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.boot.autoconfigure.AutoConfiguration;
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.condition.ConditionalOnWebApplication;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication.Type;
import org.springframework.boot.autoconfigure.condition.NoneNestedConditions;
import org.springframework.boot.autoconfigure.gson.GsonAutoConfiguration;
import org.springframework.boot.autoconfigure.http.HttpMessageConvertersAutoConfiguration.HttpMessageConvertersAutoConfigurationRuntimeHints;
import org.springframework.boot.autoconfigure.http.HttpMessageConvertersAutoConfiguration.NotReactiveWebApplicationCondition;
import org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration;
import org.springframework.boot.autoconfigure.jsonb.JsonbAutoConfiguration;
import org.springframework.boot.context.properties.bind.BindableRuntimeHintsRegistrar;
import org.springframework.boot.context.properties.bind.Binder;
import org.springframework.boot.web.servlet.server.Encoding;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Conditional;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.context.annotation.ImportRuntimeHints;
import org.springframework.core.env.Environment;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.StringHttpMessageConverter;
/**
* {@link EnableAutoConfiguration Auto-configuration} for {@link HttpMessageConverter}s.
*
* @author Dave Syer
* @author Christian Dupuis
* @author Piotr Maj
* @author Oliver Gierke
* @author David Liu
* @author Andy Wilkinson
* @author Sebastien Deleuze
* @author Stephane Nicoll
* @author Eddú Meléndez
* @since 2.0.0
*/
@AutoConfiguration(
after = { GsonAutoConfiguration.class, JacksonAutoConfiguration.class, JsonbAutoConfiguration.class })
@ConditionalOnClass(HttpMessageConverter.class)
@Conditional(NotReactiveWebApplicationCondition.class)
@Import({ JacksonHttpMessageConvertersConfiguration.class, GsonHttpMessageConvertersConfiguration.class,
JsonbHttpMessageConvertersConfiguration.class })
@ImportRuntimeHints(HttpMessageConvertersAutoConfigurationRuntimeHints.class)
public class HttpMessageConvertersAutoConfiguration {
static final String PREFERRED_MAPPER_PROPERTY = "spring.mvc.converters.preferred-json-mapper";
@Bean
@ConditionalOnMissingBean
public HttpMessageConverters messageConverters(ObjectProvider<HttpMessageConverter<?>> converters) {
return new HttpMessageConverters(converters.orderedStream().toList());
}
@Configuration(proxyBeanMethods = false)
@ConditionalOnClass(StringHttpMessageConverter.class)
protected static class StringHttpMessageConverterConfiguration {
@Bean
@ConditionalOnMissingBean
public StringHttpMessageConverter stringHttpMessageConverter(Environment environment) {
Encoding encoding = Binder.get(environment).bindOrCreate("server.servlet.encoding", Encoding.class);
StringHttpMessageConverter converter = new StringHttpMessageConverter(encoding.getCharset());
converter.setWriteAcceptCharset(false);
return converter;
}
}
static class NotReactiveWebApplicationCondition extends NoneNestedConditions {
NotReactiveWebApplicationCondition() {
super(ConfigurationPhase.PARSE_CONFIGURATION);
}
@ConditionalOnWebApplication(type = Type.REACTIVE)
private static final class ReactiveWebApplication {
}
}
static class HttpMessageConvertersAutoConfigurationRuntimeHints extends BindableRuntimeHintsRegistrar {
HttpMessageConvertersAutoConfigurationRuntimeHints() {
super(Encoding.class);
}
}
}