001/*
002 * Copyright 2012-2018 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.boot.autoconfigure.hateoas;
018
019import com.fasterxml.jackson.databind.ObjectMapper;
020
021import org.springframework.boot.autoconfigure.AutoConfigureAfter;
022import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
023import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
024import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
025import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
026import org.springframework.boot.autoconfigure.data.rest.RepositoryRestMvcAutoConfiguration;
027import org.springframework.boot.autoconfigure.http.HttpMessageConvertersAutoConfiguration;
028import org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration;
029import org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration;
030import org.springframework.boot.context.properties.EnableConfigurationProperties;
031import org.springframework.context.annotation.Configuration;
032import org.springframework.context.annotation.Import;
033import org.springframework.hateoas.EntityLinks;
034import org.springframework.hateoas.LinkDiscoverers;
035import org.springframework.hateoas.Resource;
036import org.springframework.hateoas.config.EnableEntityLinks;
037import org.springframework.hateoas.config.EnableHypermediaSupport;
038import org.springframework.hateoas.config.EnableHypermediaSupport.HypermediaType;
039import org.springframework.plugin.core.Plugin;
040import org.springframework.web.bind.annotation.RequestMapping;
041
042/**
043 * {@link EnableAutoConfiguration Auto-configuration} for Spring HATEOAS's
044 * {@link EnableHypermediaSupport}.
045 *
046 * @author Roy Clarkson
047 * @author Oliver Gierke
048 * @author Andy Wilkinson
049 * @since 1.1.0
050 */
051@Configuration
052@ConditionalOnClass({ Resource.class, RequestMapping.class, Plugin.class })
053@ConditionalOnWebApplication
054@AutoConfigureAfter({ WebMvcAutoConfiguration.class, JacksonAutoConfiguration.class,
055                HttpMessageConvertersAutoConfiguration.class,
056                RepositoryRestMvcAutoConfiguration.class })
057@EnableConfigurationProperties(HateoasProperties.class)
058@Import(HypermediaHttpMessageConverterConfiguration.class)
059public class HypermediaAutoConfiguration {
060
061        @Configuration
062        @ConditionalOnMissingBean(LinkDiscoverers.class)
063        @ConditionalOnClass(ObjectMapper.class)
064        @EnableHypermediaSupport(type = HypermediaType.HAL)
065        protected static class HypermediaConfiguration {
066
067        }
068
069        @Configuration
070        @ConditionalOnMissingBean(EntityLinks.class)
071        @EnableEntityLinks
072        protected static class EntityLinksConfiguration {
073
074        }
075
076}