Java tutorial
/* * Copyright 2013-2019 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.data.web.config; import java.util.List; import org.springframework.beans.factory.ObjectFactory; 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.web.HateoasPageableHandlerMethodArgumentResolver; import org.springframework.data.web.HateoasSortHandlerMethodArgumentResolver; import org.springframework.data.web.PagedResourcesAssembler; import org.springframework.data.web.PagedResourcesAssemblerArgumentResolver; import org.springframework.web.method.support.HandlerMethodArgumentResolver; /** * JavaConfig class to register {@link PagedResourcesAssembler} and {@link PagedResourcesAssemblerArgumentResolver}. * * @since 1.6 * @author Oliver Gierke * @author Nick Williams * @author Ben Hale * @author Vedran Pavic */ @Configuration public class HateoasAwareSpringDataWebConfiguration extends SpringDataWebConfiguration { /** * @param context must not be {@literal null}. * @param conversionService must not be {@literal null}. */ public HateoasAwareSpringDataWebConfiguration(ApplicationContext context, @Qualifier("mvcConversionService") ObjectFactory<ConversionService> conversionService) { super(context, conversionService); } /* * (non-Javadoc) * @see org.springframework.data.web.config.SpringDataWebConfiguration#pageableResolver() */ @Bean @Override public HateoasPageableHandlerMethodArgumentResolver pageableResolver() { HateoasPageableHandlerMethodArgumentResolver pageableResolver = new HateoasPageableHandlerMethodArgumentResolver( sortResolver()); customizePageableResolver(pageableResolver); return pageableResolver; } /* * (non-Javadoc) * @see org.springframework.data.web.config.SpringDataWebConfiguration#sortResolver() */ @Bean @Override public HateoasSortHandlerMethodArgumentResolver sortResolver() { HateoasSortHandlerMethodArgumentResolver sortResolver = new HateoasSortHandlerMethodArgumentResolver(); customizeSortResolver(sortResolver); return sortResolver; } @Bean public PagedResourcesAssembler<?> pagedResourcesAssembler() { return new PagedResourcesAssembler<>(pageableResolver(), null); } @Bean public PagedResourcesAssemblerArgumentResolver pagedResourcesAssemblerArgumentResolver() { return new PagedResourcesAssemblerArgumentResolver(pageableResolver(), null); } /* * (non-Javadoc) * @see org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport#addArgumentResolvers(java.util.List) */ @Override public void addArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers) { super.addArgumentResolvers(argumentResolvers); argumentResolvers.add(pagedResourcesAssemblerArgumentResolver()); } }