001/*
002 * Copyright 2002-2016 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 *      https://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.web.servlet.config.annotation;
018
019import java.util.List;
020
021import org.springframework.format.FormatterRegistry;
022import org.springframework.http.converter.HttpMessageConverter;
023import org.springframework.validation.MessageCodesResolver;
024import org.springframework.validation.Validator;
025import org.springframework.web.method.support.HandlerMethodArgumentResolver;
026import org.springframework.web.method.support.HandlerMethodReturnValueHandler;
027import org.springframework.web.servlet.HandlerExceptionResolver;
028
029/**
030 * An implementation of {@link WebMvcConfigurer} with empty methods allowing
031 * subclasses to override only the methods they're interested in.
032 *
033 * @author Rossen Stoyanchev
034 * @since 3.1
035 */
036public abstract class WebMvcConfigurerAdapter implements WebMvcConfigurer {
037
038        /**
039         * {@inheritDoc}
040         * <p>This implementation is empty.
041         */
042        @Override
043        public void configurePathMatch(PathMatchConfigurer configurer) {
044        }
045
046        /**
047         * {@inheritDoc}
048         * <p>This implementation is empty.
049         */
050        @Override
051        public void configureContentNegotiation(ContentNegotiationConfigurer configurer) {
052        }
053
054        /**
055         * {@inheritDoc}
056         * <p>This implementation is empty.
057         */
058        @Override
059        public void configureAsyncSupport(AsyncSupportConfigurer configurer) {
060        }
061
062        /**
063         * {@inheritDoc}
064         * <p>This implementation is empty.
065         */
066        @Override
067        public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
068        }
069
070        /**
071         * {@inheritDoc}
072         * <p>This implementation is empty.
073         */
074        @Override
075        public void addFormatters(FormatterRegistry registry) {
076        }
077
078        /**
079         * {@inheritDoc}
080         * <p>This implementation is empty.
081         */
082        @Override
083        public void addInterceptors(InterceptorRegistry registry) {
084        }
085
086        /**
087         * {@inheritDoc}
088         * <p>This implementation is empty.
089         */
090        @Override
091        public void addResourceHandlers(ResourceHandlerRegistry registry) {
092        }
093
094        /**
095         * {@inheritDoc}
096         * <p>This implementation is empty.
097         */
098        @Override
099        public void addCorsMappings(CorsRegistry registry) {
100        }
101
102        /**
103         * {@inheritDoc}
104         * <p>This implementation is empty.
105         */
106        @Override
107        public void addViewControllers(ViewControllerRegistry registry) {
108        }
109
110        /**
111         * {@inheritDoc}
112         * <p>This implementation is empty.
113         */
114        @Override
115        public void configureViewResolvers(ViewResolverRegistry registry) {
116        }
117
118        /**
119         * {@inheritDoc}
120         * <p>This implementation is empty.
121         */
122        @Override
123        public void addArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers) {
124        }
125
126        /**
127         * {@inheritDoc}
128         * <p>This implementation is empty.
129         */
130        @Override
131        public void addReturnValueHandlers(List<HandlerMethodReturnValueHandler> returnValueHandlers) {
132        }
133
134        /**
135         * {@inheritDoc}
136         * <p>This implementation is empty.
137         */
138        @Override
139        public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
140        }
141
142        /**
143         * {@inheritDoc}
144         * <p>This implementation is empty.
145         */
146        @Override
147        public void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
148        }
149
150        /**
151         * {@inheritDoc}
152         * <p>This implementation is empty.
153         */
154        @Override
155        public void configureHandlerExceptionResolvers(List<HandlerExceptionResolver> exceptionResolvers) {
156        }
157
158        /**
159         * {@inheritDoc}
160         * <p>This implementation is empty.
161         */
162        @Override
163        public void extendHandlerExceptionResolvers(List<HandlerExceptionResolver> exceptionResolvers) {
164        }
165
166        /**
167         * {@inheritDoc}
168         * <p>This implementation returns {@code null}.
169         */
170        @Override
171        public Validator getValidator() {
172                return null;
173        }
174
175        /**
176         * {@inheritDoc}
177         * <p>This implementation returns {@code null}.
178         */
179        @Override
180        public MessageCodesResolver getMessageCodesResolver() {
181                return null;
182        }
183
184}