spring WebMvcRegistrations 源码
springboot WebMvcRegistrations 代码
文件路径：/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/servlet/WebMvcRegistrations.java
/*
* Copyright 2012-2019 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.boot.autoconfigure.web.servlet;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
import org.springframework.web.servlet.mvc.method.annotation.ExceptionHandlerExceptionResolver;
import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter;
import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping;
/**
* Interface to register key components of the {@link WebMvcConfigurationSupport} in place
* of the default ones provided by Spring MVC.
* <p>
* All custom instances are later processed by Boot and Spring MVC configurations. A
* single instance of this component should be registered, otherwise making it impossible
* to choose from redundant MVC components.
*
* @author Brian Clozel
* @since 2.0.0
* @see org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration.EnableWebMvcConfiguration
*/
public interface WebMvcRegistrations {
/**
* Return the custom {@link RequestMappingHandlerMapping} that should be used and
* processed by the MVC configuration.
* @return the custom {@link RequestMappingHandlerMapping} instance
*/
default RequestMappingHandlerMapping getRequestMappingHandlerMapping() {
return null;
}
/**
* Return the custom {@link RequestMappingHandlerAdapter} that should be used and
* processed by the MVC configuration.
* @return the custom {@link RequestMappingHandlerAdapter} instance
*/
default RequestMappingHandlerAdapter getRequestMappingHandlerAdapter() {
return null;
}
/**
* Return the custom {@link ExceptionHandlerExceptionResolver} that should be used and
* processed by the MVC configuration.
* @return the custom {@link ExceptionHandlerExceptionResolver} instance
*/
default ExceptionHandlerExceptionResolver getExceptionHandlerExceptionResolver() {
return null;
}
}
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- 本文标签： Java Spring Spring Boot
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