spring DispatcherServletRegistrationBean 源码
springboot DispatcherServletRegistrationBean 代码
文件路径：/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/servlet/DispatcherServletRegistrationBean.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 java.util.Collection;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.util.Assert;
import org.springframework.web.servlet.DispatcherServlet;
/**
* {@link ServletRegistrationBean} for the auto-configured {@link DispatcherServlet}. Both
* registers the servlet and exposes {@link DispatcherServletPath} information.
*
* @author Phillip Webb
* @since 2.0.4
*/
public class DispatcherServletRegistrationBean extends ServletRegistrationBean<DispatcherServlet>
implements DispatcherServletPath {
private final String path;
/**
* Create a new {@link DispatcherServletRegistrationBean} instance for the given
* servlet and path.
* @param servlet the dispatcher servlet
* @param path the dispatcher servlet path
*/
public DispatcherServletRegistrationBean(DispatcherServlet servlet, String path) {
super(servlet);
Assert.notNull(path, "Path must not be null");
this.path = path;
super.addUrlMappings(getServletUrlMapping());
}
@Override
public String getPath() {
return this.path;
}
@Override
public void setUrlMappings(Collection<String> urlMappings) {
throw new UnsupportedOperationException("URL Mapping cannot be changed on a DispatcherServlet registration");
}
@Override
public void addUrlMappings(String... urlMappings) {
throw new UnsupportedOperationException("URL Mapping cannot be changed on a DispatcherServlet registration");
}
}
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- 本文标签： Java Spring Spring Boot
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