/*
* Copyright 2013-2017 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.data.web.config;
import java.util.List;
import java.util.Optional;
import org.springframework.beans.factory.ObjectFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.convert.ConversionService;
import org.springframework.data.geo.format.DistanceFormatter;
import org.springframework.data.geo.format.PointFormatter;
import org.springframework.data.repository.support.DomainClassConverter;
import org.springframework.data.web.PageableHandlerMethodArgumentResolver;
import org.springframework.data.web.ProjectingJackson2HttpMessageConverter;
import org.springframework.data.web.ProxyingHandlerMethodArgumentResolver;
import org.springframework.data.web.SortHandlerMethodArgumentResolver;
import org.springframework.data.web.XmlBeamHttpMessageConverter;
import org.springframework.format.FormatterRegistry;
import org.springframework.format.support.FormattingConversionService;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.util.Assert;
import org.springframework.util.ClassUtils;
import org.springframework.web.method.support.HandlerMethodArgumentResolver;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import com.fasterxml.jackson.databind.ObjectMapper;
/**
* Configuration class to register {@link PageableHandlerMethodArgumentResolver},
* {@link SortHandlerMethodArgumentResolver} and {@link DomainClassConverter}.
*
* @since 1.6
* @author Oliver Gierke
* @author Vedran Pavic
* @author Jens Schauder
*/
@Configuration
public class SpringDataWebConfiguration implements WebMvcConfigurer {
private final ApplicationContext context;
private final ObjectFactory<ConversionService> conversionService;
private @Autowired Optional<PageableHandlerMethodArgumentResolverCustomizer> pageableResolverCustomizer;
private @Autowired Optional<SortHandlerMethodArgumentResolverCustomizer> sortResolverCustomizer;
public SpringDataWebConfiguration(ApplicationContext context,
@Qualifier("mvcConversionService") ObjectFactory<ConversionService> conversionService) {
Assert.notNull(context, "ApplicationContext must not be null!");
Assert.notNull(conversionService, "ConversionService must not be null!");
this.context = context;
this.conversionService = conversionService;
}
/*
* (non-Javadoc)
* @see org.springframework.data.web.config.SpringDataWebConfiguration#pageableResolver()
*/
@Bean
public PageableHandlerMethodArgumentResolver pageableResolver() {
PageableHandlerMethodArgumentResolver pageableResolver = //
new PageableHandlerMethodArgumentResolver(sortResolver());
customizePageableResolver(pageableResolver);
return pageableResolver;
}
/*
* (non-Javadoc)
* @see org.springframework.data.web.config.SpringDataWebConfiguration#sortResolver()
*/
@Bean
public SortHandlerMethodArgumentResolver sortResolver() {
SortHandlerMethodArgumentResolver sortResolver = new SortHandlerMethodArgumentResolver();
customizeSortResolver(sortResolver);
return sortResolver;
}
/*
* (non-Javadoc)
* @see org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter#addFormatters(org.springframework.format.FormatterRegistry)
*/
@Override
public void addFormatters(FormatterRegistry registry) {
registry.addFormatter(DistanceFormatter.INSTANCE);
registry.addFormatter(PointFormatter.INSTANCE);
if (!(registry instanceof FormattingConversionService)) {
return;
}
FormattingConversionService conversionService = (FormattingConversionService) registry;
DomainClassConverter<FormattingConversionService> converter = new DomainClassConverter<>(conversionService);
converter.setApplicationContext(context);
}
/*
* (non-Javadoc)
* @see org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter#addArgumentResolvers(java.util.List)
*/
@Override
public void addArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers) {
argumentResolvers.add(sortResolver());
argumentResolvers.add(pageableResolver());
ProxyingHandlerMethodArgumentResolver resolver = new ProxyingHandlerMethodArgumentResolver(
conversionService.getObject());
resolver.setBeanFactory(context);
resolver.setBeanClassLoader(context.getClassLoader());
argumentResolvers.add(resolver);
}
/*
* (non-Javadoc)
* @see org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter#extendMessageConverters(java.util.List)
*/
@Override
public void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
if (ClassUtils.isPresent("com.jayway.jsonpath.DocumentContext", context.getClassLoader())
&& ClassUtils.isPresent("com.fasterxml.jackson.databind.ObjectMapper", context.getClassLoader())) {
ProjectingJackson2HttpMessageConverter converter = new ProjectingJackson2HttpMessageConverter(new ObjectMapper());
converter.setBeanClassLoader(context.getClassLoader());
converter.setBeanFactory(context);
converters.add(0, converter);
}
if (ClassUtils.isPresent("org.xmlbeam.XBProjector", context.getClassLoader())) {
converters.add(0, new XmlBeamHttpMessageConverter());
}
}
protected void customizePageableResolver(PageableHandlerMethodArgumentResolver pageableResolver) {
pageableResolverCustomizer.ifPresent(c -> c.customize(pageableResolver));
}
protected void customizeSortResolver(SortHandlerMethodArgumentResolver sortResolver) {
sortResolverCustomizer.ifPresent(c -> c.customize(sortResolver));
}
}