Java tutorial
/* * Copyright 2015-2019 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.rest.webmvc.config; import java.util.List; import org.springframework.core.convert.support.ConfigurableConversionService; import org.springframework.data.rest.core.config.RepositoryRestConfiguration; import org.springframework.data.rest.core.event.ValidatingRepositoryEventListener; import org.springframework.http.converter.HttpMessageConverter; import org.springframework.util.Assert; import org.springframework.web.servlet.mvc.method.annotation.ExceptionHandlerExceptionResolver; import com.fasterxml.jackson.databind.ObjectMapper; /** * Delegating implementation of {@link RepositoryRestConfigurer} that will forward all calls to configuration methods to * all registered {@link RepositoryRestConfigurer}. * * @author Oliver Gierke * @soundtrack Florian Reichelt & Max Ender - Abschlusskonzert (https://www.youtube.com/watch?v=5WP0P-ndinY) */ class RepositoryRestConfigurerDelegate implements RepositoryRestConfigurer { private final Iterable<RepositoryRestConfigurer> delegates; /** * Creates a new {@link RepositoryRestConfigurerDelegate} for the given {@link RepositoryRestConfigurer}s. * * @param delegates must not be {@literal null}. */ public RepositoryRestConfigurerDelegate(Iterable<RepositoryRestConfigurer> delegates) { Assert.notNull(delegates, "RepositoryRestConfigurers must not be null!"); this.delegates = delegates; } /* * (non-Javadoc) * @see org.springframework.data.rest.webmvc.config.RepositoryRestConfigurer#configureRepositoryRestConfiguration(org.springframework.data.rest.core.config.RepositoryRestConfiguration) */ @Override public void configureRepositoryRestConfiguration(RepositoryRestConfiguration config) { for (RepositoryRestConfigurer configurer : delegates) { configurer.configureRepositoryRestConfiguration(config); } } /* * (non-Javadoc) * @see org.springframework.data.rest.webmvc.config.RepositoryRestConfigurer#configureConversionService(org.springframework.core.convert.support.ConfigurableConversionService) */ @Override public void configureConversionService(ConfigurableConversionService conversionService) { for (RepositoryRestConfigurer configurer : delegates) { configurer.configureConversionService(conversionService); } } /* * (non-Javadoc) * @see org.springframework.data.rest.webmvc.config.RepositoryRestConfigurer#configureExceptionHandlerExceptionResolver(org.springframework.web.servlet.mvc.method.annotation.ExceptionHandlerExceptionResolver) */ @Override public void configureExceptionHandlerExceptionResolver(ExceptionHandlerExceptionResolver exceptionResolver) { for (RepositoryRestConfigurer configurer : delegates) { configurer.configureExceptionHandlerExceptionResolver(exceptionResolver); } } /* * (non-Javadoc) * @see org.springframework.data.rest.webmvc.config.RepositoryRestConfigurer#configureHttpMessageConverters(java.util.List) */ @Override public void configureHttpMessageConverters(List<HttpMessageConverter<?>> messageConverters) { for (RepositoryRestConfigurer configurer : delegates) { configurer.configureHttpMessageConverters(messageConverters); } } /* * (non-Javadoc) * @see org.springframework.data.rest.webmvc.config.RepositoryRestConfigurer#configureJacksonObjectMapper(com.fasterxml.jackson.databind.ObjectMapper) */ @Override public void configureJacksonObjectMapper(ObjectMapper objectMapper) { for (RepositoryRestConfigurer configurer : delegates) { configurer.configureJacksonObjectMapper(objectMapper); } } /* * (non-Javadoc) * @see org.springframework.data.rest.webmvc.config.RepositoryRestConfigurer#configureValidatingRepositoryEventListener(org.springframework.data.rest.core.event.ValidatingRepositoryEventListener) */ @Override public void configureValidatingRepositoryEventListener(ValidatingRepositoryEventListener validatingListener) { for (RepositoryRestConfigurer configurer : delegates) { configurer.configureValidatingRepositoryEventListener(validatingListener); } } }