spring DefaultRestartInitializer 源码
springboot DefaultRestartInitializer 代码
文件路径：/spring-boot-project/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/restart/DefaultRestartInitializer.java
/*
* Copyright 2012-2020 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.devtools.restart;
import java.net.URL;
import org.springframework.boot.devtools.system.DevToolsEnablementDeducer;
/**
* Default {@link RestartInitializer} that only enable initial restart when running a
* standard "main" method. Skips initialization when running "fat" jars (included
* exploded) or when running from a test.
*
* @author Phillip Webb
* @author Andy Wilkinson
* @since 1.3.0
*/
public class DefaultRestartInitializer implements RestartInitializer {
@Override
public URL[] getInitialUrls(Thread thread) {
if (!isMain(thread)) {
return null;
}
if (!DevToolsEnablementDeducer.shouldEnable(thread)) {
return null;
}
return getUrls(thread);
}
/**
* Returns if the thread is for a main invocation. By default {@link #isMain(Thread)
* checks the name of the thread} and {@link #isDevelopmentClassLoader(ClassLoader)
* the context classloader}.
* @param thread the thread to check
* @return {@code true} if the thread is a main invocation
* @see #isMainThread
* @see #isDevelopmentClassLoader(ClassLoader)
*/
protected boolean isMain(Thread thread) {
return isMainThread(thread) && isDevelopmentClassLoader(thread.getContextClassLoader());
}
/**
* Returns whether the given {@code thread} is considered to be the main thread.
* @param thread the thread to check
* @return {@code true} if it's the main thread, otherwise {@code false}
* @since 2.4.0
*/
protected boolean isMainThread(Thread thread) {
return thread.getName().equals("main");
}
/**
* Returns whether the given {@code classLoader} is one that is typically used during
* development.
* @param classLoader the ClassLoader to check
* @return {@code true} if it's a ClassLoader typically used during development,
* otherwise {@code false}
* @since 2.4.0
*/
protected boolean isDevelopmentClassLoader(ClassLoader classLoader) {
return classLoader.getClass().getName().contains("AppClassLoader");
}
/**
* Return the URLs that should be used with initialization.
* @param thread the source thread
* @return the URLs
*/
protected URL[] getUrls(Thread thread) {
return ChangeableUrls.fromClassLoader(thread.getContextClassLoader()).toArray();
}
}
相关信息
相关文章
spring ClassLoaderFilesResourcePatternResolver 源码
spring ConditionalOnInitializedRestarter 源码
spring OnInitializedRestarterCondition 源码
0
赞
- 所属分类： 后端技术
- 本文标签： Java Spring Spring Boot
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
7、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦