spring WebServerApplicationContext 源码
springboot WebServerApplicationContext 代码
文件路径：/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/context/WebServerApplicationContext.java
/*
* Copyright 2012-2022 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.web.context;
import org.springframework.boot.web.server.WebServer;
import org.springframework.context.ApplicationContext;
import org.springframework.util.ObjectUtils;
/**
* Interface to be implemented by {@link ApplicationContext application contexts} that
* create and manage the lifecycle of an embedded {@link WebServer}.
*
* @author Phillip Webb
* @since 2.0.0
*/
public interface WebServerApplicationContext extends ApplicationContext {
/**
* Returns the {@link WebServer} that was created by the context or {@code null} if
* the server has not yet been created.
* @return the web server
*/
WebServer getWebServer();
/**
* Returns the namespace of the web server application context or {@code null} if no
* namespace has been set. Used for disambiguation when multiple web servers are
* running in the same application (for example a management context running on a
* different port).
* @return the server namespace
*/
String getServerNamespace();
/**
* Returns {@code true} if the specified context is a
* {@link WebServerApplicationContext} with a matching server namespace.
* @param context the context to check
* @param serverNamespace the server namespace to match against
* @return {@code true} if the server namespace of the context matches
* @since 2.1.8
*/
static boolean hasServerNamespace(ApplicationContext context, String serverNamespace) {
return (context instanceof WebServerApplicationContext webServerApplicationContext)
&& ObjectUtils.nullSafeEquals(webServerApplicationContext.getServerNamespace(), serverNamespace);
}
/**
* Returns the server namespace if the specified context is a
* {@link WebServerApplicationContext}.
* @param context the context
* @return the server namespace or {@code null} if the context is not a
* {@link WebServerApplicationContext}
* @since 2.6.0
*/
static String getServerNamespace(ApplicationContext context) {
return (context instanceof WebServerApplicationContext configurableContext)
? configurableContext.getServerNamespace() : null;
}
}
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