/*
* Copyright 2012-2014 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;
import java.util.Collections;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.StringHttpMessageConverter;
import org.springframework.http.converter.json.GsonHttpMessageConverter;
import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.http.converter.xml.MappingJackson2XmlHttpMessageConverter;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.dataformat.xml.XmlMapper;
import com.google.gson.Gson;
/**
* {@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
*/
@Configuration
@ConditionalOnClass(HttpMessageConverter.class)
public class HttpMessageConvertersAutoConfiguration {
@Autowired(required = false)
private final List<HttpMessageConverter<?>> converters = Collections.emptyList();
@Bean
@ConditionalOnMissingBean
public HttpMessageConverters messageConverters() {
return new HttpMessageConverters(this.converters);
}
@Configuration
@ConditionalOnClass(ObjectMapper.class)
@ConditionalOnBean(ObjectMapper.class)
@EnableConfigurationProperties(HttpMapperProperties.class)
protected static class MappingJackson2HttpMessageConverterConfiguration {
@Autowired
private HttpMapperProperties properties = new HttpMapperProperties();
@Bean
@ConditionalOnMissingBean
public MappingJackson2HttpMessageConverter mappingJackson2HttpMessageConverter(
ObjectMapper objectMapper) {
MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
converter.setObjectMapper(objectMapper);
converter.setPrettyPrint(this.properties.isJsonPrettyPrint());
return converter;
}
}
@Configuration
@ConditionalOnClass(XmlMapper.class)
@ConditionalOnBean(Jackson2ObjectMapperBuilder.class)
@EnableConfigurationProperties(HttpMapperProperties.class)
protected static class XmlMappers {
@Autowired
private HttpMapperProperties properties = new HttpMapperProperties();
@Bean
@ConditionalOnMissingBean
public MappingJackson2XmlHttpMessageConverter mappingJackson2XmlHttpMessageConverter(
Jackson2ObjectMapperBuilder builder) {
MappingJackson2XmlHttpMessageConverter converter = new MappingJackson2XmlHttpMessageConverter();
converter.setObjectMapper(builder.createXmlMapper(true).build());
converter.setPrettyPrint(this.properties.isJsonPrettyPrint());
return converter;
}
}
@Configuration
@ConditionalOnClass(Gson.class)
@ConditionalOnBean(Gson.class)
protected static class GsonHttpMessageConverterConfiguration {
@Bean
@ConditionalOnMissingBean
public GsonHttpMessageConverter gsonHttpMessageConverter(Gson gson) {
GsonHttpMessageConverter converter = new GsonHttpMessageConverter();
converter.setGson(gson);
return converter;
}
}
@Configuration
@ConditionalOnClass(StringHttpMessageConverter.class)
@EnableConfigurationProperties(HttpEncodingProperties.class)
protected static class StringHttpMessageConverterConfiguration {
@Autowired
private HttpEncodingProperties encodingProperties;
@Bean
@ConditionalOnMissingBean
public StringHttpMessageConverter stringHttpMessageConverter() {
return new StringHttpMessageConverter(this.encodingProperties.getCharset());
}
}
}