[ 成为架构师系列 ] 5. Spring Bean 的生命周期 (the standard bean lifecycle)
[ 成为架构师系列 ] 5. Spring Bean 的生命周期 (the standard bean lifecycle)
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发布于 2019-12-03 17:29:45
发布于 2019-12-03 17:29:45
[ 成为架构师系列 ] 5. Spring Bean 的生命周期
AbstractXmlApplicationContext
/*
* Copyright 2002-2017 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.context.support;
import java.io.IOException;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.beans.factory.xml.ResourceEntityResolver;
import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
import org.springframework.context.ApplicationContext;
import org.springframework.core.io.Resource;
import org.springframework.lang.Nullable;
/**
* Convenient base class for {@link org.springframework.context.ApplicationContext}
* implementations, drawing configuration from XML documents containing bean definitions
* understood by an {@link org.springframework.beans.factory.xml.XmlBeanDefinitionReader}.
*
* <p>Subclasses just have to implement the {@link #getConfigResources} and/or
* the {@link #getConfigLocations} method. Furthermore, they might override
* the {@link #getResourceByPath} hook to interpret relative paths in an
* environment-specific fashion, and/or {@link #getResourcePatternResolver}
* for extended pattern resolution.
*
* @author Rod Johnson
* @author Juergen Hoeller
* @see #getConfigResources
* @see #getConfigLocations
* @see org.springframework.beans.factory.xml.XmlBeanDefinitionReader
*/
public abstract class AbstractXmlApplicationContext extends AbstractRefreshableConfigApplicationContext {
private boolean validating = true;
/**
* Create a new AbstractXmlApplicationContext with no parent.
*/
public AbstractXmlApplicationContext() {
}
/**
* Create a new AbstractXmlApplicationContext with the given parent context.
* @param parent the parent context
*/
public AbstractXmlApplicationContext(@Nullable ApplicationContext parent) {
super(parent);
}
/**
* Set whether to use XML validation. Default is {@code true}.
*/
public void setValidating(boolean validating) {
this.validating = validating;
}
/**
* Loads the bean definitions via an XmlBeanDefinitionReader.
* @see org.springframework.beans.factory.xml.XmlBeanDefinitionReader
* @see #initBeanDefinitionReader
* @see #loadBeanDefinitions
*/
@Override
protected void loadBeanDefinitions(DefaultListableBeanFactory beanFactory) throws BeansException, IOException {
// Create a new XmlBeanDefinitionReader for the given BeanFactory.
XmlBeanDefinitionReader beanDefinitionReader = new XmlBeanDefinitionReader(beanFactory);
// Configure the bean definition reader with this context's
// resource loading environment.
beanDefinitionReader.setEnvironment(this.getEnvironment());
beanDefinitionReader.setResourceLoader(this);
beanDefinitionReader.setEntityResolver(new ResourceEntityResolver(this));
// Allow a subclass to provide custom initialization of the reader,
// then proceed with actually loading the bean definitions.
initBeanDefinitionReader(beanDefinitionReader);
loadBeanDefinitions(beanDefinitionReader);
}
/**
* Initialize the bean definition reader used for loading the bean
* definitions of this context. Default implementation is empty.
* <p>Can be overridden in subclasses, e.g. for turning off XML validation
* or using a different XmlBeanDefinitionParser implementation.
* @param reader the bean definition reader used by this context
* @see org.springframework.beans.factory.xml.XmlBeanDefinitionReader#setDocumentReaderClass
*/
protected void initBeanDefinitionReader(XmlBeanDefinitionReader reader) {
reader.setValidating(this.validating);
}
/**
* Load the bean definitions with the given XmlBeanDefinitionReader.
* <p>The lifecycle of the bean factory is handled by the {@link #refreshBeanFactory}
* method; hence this method is just supposed to load and/or register bean definitions.
* @param reader the XmlBeanDefinitionReader to use
* @throws BeansException in case of bean registration errors
* @throws IOException if the required XML document isn't found
* @see #refreshBeanFactory
* @see #getConfigLocations
* @see #getResources
* @see #getResourcePatternResolver
*/
protected void loadBeanDefinitions(XmlBeanDefinitionReader reader) throws BeansException, IOException {
Resource[] configResources = getConfigResources();
if (configResources != null) {
reader.loadBeanDefinitions(configResources);
}
String[] configLocations = getConfigLocations();
if (configLocations != null) {
reader.loadBeanDefinitions(configLocations);
}
}
/**
* Return an array of Resource objects, referring to the XML bean definition
* files that this context should be built with.
* <p>The default implementation returns {@code null}. Subclasses can override
* this to provide pre-built Resource objects rather than location Strings.
* @return an array of Resource objects, or {@code null} if none
* @see #getConfigLocations()
*/
@Nullable
protected Resource[] getConfigResources() {
return null;
}
}
IDEA 自动生成类图 UML:
Alt + Shift + Command + U
Bean factory implementations should support the standard bean lifecycle interfaces as far as possible. The full set of initialization methods and their standard order is:
示例代码
private static void withSpringApplicationContext() {
ApplicationContext applicationContext = new ClassPathXmlApplicationContext("beans.xml");
HelloService helloService = (HelloService) applicationContext.getBean("helloService");
System.out.println(applicationContext);
System.out.println(helloService);
String s1 = helloService.service1("Jack");
String s2 = helloService.service2("Jobs");
System.out.println(s1);
System.out.println(s2);
}其中, HelloServiceImpl 代码如下:
package com.light.sword.service;
import com.alibaba.fastjson.JSON;
import com.light.sword.dao.HelloDao;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.*;
import org.springframework.context.*;
import org.springframework.core.env.Environment;
import org.springframework.core.io.ResourceLoader;
import org.springframework.core.io.support.ResourcePatternResolver;
import org.springframework.core.io.support.ResourcePatternUtils;
import org.springframework.util.StringValueResolver;
/**
* @author: Jack
* 2019-11-25 23:09
*/
public class HelloServiceImpl implements HelloService,
BeanNameAware,
BeanClassLoaderAware,
BeanFactoryAware,
EnvironmentAware,
EmbeddedValueResolverAware,
ResourceLoaderAware,
ApplicationEventPublisherAware,
MessageSourceAware,
ApplicationContextAware {
// 依赖注入的思想,就是把这句代码放到容器中单独管理,而不是写死在代码里.
// private HelloDao helloDao = new HelloDaoImpl();
private HelloDao helloDao;
public HelloDao getHelloDao() {
return helloDao;
}
public void setHelloDao(HelloDao helloDao) {
this.helloDao = helloDao;
}
@Override
public String service1(String name) {
return helloDao.say(name);
}
@Override
public String service2(String name) {
return helloDao.say("$" + name);
}
/**
* Callback that supplies the bean {@link ClassLoader class loader} to
* a bean instance.
* <p>Invoked <i>after</i> the population of normal bean properties but
* <i>before</i> an initialization callback such as
* {@link InitializingBean InitializingBean's}
* {@link InitializingBean#afterPropertiesSet()}
* method or a custom init-method.
*
* @param classLoader the owning class loader
*/
@Override
public void setBeanClassLoader(ClassLoader classLoader) {
print("setBeanClassLoader");
printlnJson(classLoader);
}
/**
* Callback that supplies the owning factory to a bean instance.
* <p>Invoked after the population of normal bean properties
* but before an initialization callback such as
* {@link InitializingBean#afterPropertiesSet()} or a custom init-method.
*
* @param beanFactory owning BeanFactory (never {@code null}).
* The bean can immediately call methods on the factory.
* @throws BeansException in case of initialization errors
* @see BeanInitializationException
*/
@Override
public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
print("setBeanFactory:");
printlnJson(beanFactory);
}
/**
* Set the name of the bean in the bean factory that created this bean.
* <p>Invoked after population of normal bean properties but before an
* init callback such as {@link InitializingBean#afterPropertiesSet()}
* or a custom init-method.
*
* @param name the name of the bean in the factory.
* Note that this name is the actual bean name used in the factory, which may
* differ from the originally specified name: in particular for inner bean
* names, the actual bean name might have been made unique through appending
* "#..." suffixes. Use the {@link BeanFactoryUtils#originalBeanName(String)}
* method to extract the original bean name (without suffix), if desired.
*/
@Override
public void setBeanName(String name) {
print("setBeanName:");
printlnJson(name);
}
/**
* Set the ApplicationContext that this object runs in.
* Normally this call will be used to initialize the object.
* <p>Invoked after population of normal bean properties but before an init callback such
* as {@link InitializingBean#afterPropertiesSet()}
* or a custom init-method. Invoked after {@link ResourceLoaderAware#setResourceLoader},
* {@link ApplicationEventPublisherAware#setApplicationEventPublisher} and
* {@link MessageSourceAware}, if applicable.
*
* @param applicationContext the ApplicationContext object to be used by this object
* @throws ApplicationContextException in case of context initialization errors
* @throws BeansException if thrown by application context methods
* @see BeanInitializationException
*/
@Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
print("setApplicationContext:");
printlnJson(applicationContext);
}
/**
* Set the ApplicationEventPublisher that this object runs in.
* <p>Invoked after population of normal bean properties but before an init
* callback like InitializingBean's afterPropertiesSet or a custom init-method.
* Invoked before ApplicationContextAware's setApplicationContext.
*
* @param applicationEventPublisher event publisher to be used by this object
*/
@Override
public void setApplicationEventPublisher(ApplicationEventPublisher applicationEventPublisher) {
print("setApplicationEventPublisher:");
printlnJson(applicationEventPublisher);
}
/**
* Set the StringValueResolver to use for resolving embedded definition values.
*
* @param resolver
*/
@Override
public void setEmbeddedValueResolver(StringValueResolver resolver) {
print("setEmbeddedValueResolver:");
printlnJson(resolver);
}
/**
* Set the {@code Environment} that this component runs in.
*
* @param environment
*/
@Override
public void setEnvironment(Environment environment) {
print("setEnvironment:");
printlnJson(environment);
}
/**
* Set the MessageSource that this object runs in.
* <p>Invoked after population of normal bean properties but before an init
* callback like InitializingBean's afterPropertiesSet or a custom init-method.
* Invoked before ApplicationContextAware's setApplicationContext.
*
* @param messageSource message source to be used by this object
*/
@Override
public void setMessageSource(MessageSource messageSource) {
print("setMessageSource:");
printlnJson(messageSource);
}
/**
* Set the ResourceLoader that this object runs in.
* <p>This might be a ResourcePatternResolver, which can be checked
* through {@code instanceof ResourcePatternResolver}. See also the
* {@code ResourcePatternUtils.getResourcePatternResolver} method.
* <p>Invoked after population of normal bean properties but before an init callback
* like InitializingBean's {@code afterPropertiesSet} or a custom init-method.
* Invoked before ApplicationContextAware's {@code setApplicationContext}.
*
* @param resourceLoader the ResourceLoader object to be used by this object
* @see ResourcePatternResolver
* @see ResourcePatternUtils#getResourcePatternResolver
*/
@Override
public void setResourceLoader(ResourceLoader resourceLoader) {
print("setResourceLoader:");
printlnJson(resourceLoader);
}
void print(Object obj) {
System.out.print(obj);
}
void printlnJson(Object obj) {
System.out.println(JSON.toJSONString(obj));
}
}运行日志:
setBeanName:"helloService"
setBeanClassLoader{"uRLs":["file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/charsets.jar","file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/deploy.jar","file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext/cldrdata.jar","file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext/dnsns.jar","file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext/jfxrt.jar","file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext/localedata.jar","file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext/nashorn.jar","file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext/sunec.jar","file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext/sunjce_provider.jar","file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext/sunpkcs11.jar","file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext/zipfs.jar","file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/javaws.jar","file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/jce.jar","file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/jfr.jar","file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/jfxswt.jar","file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/jsse.jar","file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/management-agent.jar","file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/plugin.jar","file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/resources.jar","file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/rt.jar","file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/lib/ant-javafx.jar","file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/lib/dt.jar","file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/lib/javafx-mx.jar","file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/lib/jconsole.jar","file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/lib/packager.jar","file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/lib/sa-jdi.jar","file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/lib/tools.jar","file:/Users/jack/architect/springdemo/target/classes/","file:/Users/jack/.m2/repository/org/springframework/spring-core/5.2.1.RELEASE/spring-core-5.2.1.RELEASE.jar","file:/Users/jack/.m2/repository/org/springframework/spring-jcl/5.2.1.RELEASE/spring-jcl-5.2.1.RELEASE.jar","file:/Users/jack/.m2/repository/org/springframework/spring-beans/5.2.1.RELEASE/spring-beans-5.2.1.RELEASE.jar","file:/Users/jack/.m2/repository/org/springframework/spring-context/5.2.1.RELEASE/spring-context-5.2.1.RELEASE.jar","file:/Users/jack/.m2/repository/org/springframework/spring-aop/5.2.1.RELEASE/spring-aop-5.2.1.RELEASE.jar","file:/Users/jack/.m2/repository/org/springframework/spring-expression/5.2.1.RELEASE/spring-expression-5.2.1.RELEASE.jar","file:/Users/jack/.m2/repository/com/alibaba/fastjson/1.2.60/fastjson-1.2.60.jar","file:/Applications/IntelliJ%20IDEA.app/Contents/lib/idea_rt.jar"]}
setBeanFactory:{"accessControlContext":{},"allowBeanDefinitionOverriding":true,"allowEagerClassLoading":true,"autowireCandidateResolver":{},"beanDefinitionCount":2,"beanDefinitionNames":["helloDao","helloService"],"beanExpressionResolver":{},"beanNamesIterator":["helloDao","helloService","environment","systemProperties","systemEnvironment","messageSource","applicationEventMulticaster"],"beanPostProcessorCount":3,"beanPostProcessors":[{},{},{}],"cacheBeanMetadata":true,"configurationFrozen":true,"customEditors":{},"propertyEditorRegistrars":[{}],"registeredScopeNames":[],"serializationId":"org.springframework.context.support.ClassPathXmlApplicationContext@2e0fa5d3","singletonCount":7,"singletonMutex":{"systemEnvironment":{"IRBRC":"/Users/jack/.rvm/rubies/ruby-2.3.0/.irbrc","PATH":"...,"propertyNames":["IRBRC","PATH","SDKMAN_VERSION","GREP_OPTIONS","GRAILS_HOME","ANDROID_HOME","rvm_loaded_flag","JAVA9_HOME","MAVEN_HOME","JAVA_MAIN_CLASS_24435","SDKMAN_DIR","LOGNAME","rvm_version","PWD","SPRINGBOOT_HOME","Python","rvm_user_install_flag","SHELL","SPRING_BOOT_HOME","MY_RUBY_HOME","GEM_HOME","VERSIONER_PYTHON_PREFER_32_BIT","TMPDIR","rvm_path","XPC_FLAGS","RUBY_VERSION","_system_name","__CF_USER_TEXT_ENCODING","Apple_PubSub_Socket_Render","LC_CTYPE","SDKMAN_CURRENT_API","_system_arch","rvm_bin_path","GRAPHIZ_HOME","KOTLIN_HOME","JAVA_HOME","TERM","rvm_prefix","GRADLE_HOME","ANT_HOME","GROOVY_HOME","VERSIONER_PYTHON_VERSION","XPC_SERVICE_NAME","NODE_PATH","SCALA_HOME","SDKMAN_CANDIDATES_DIR","SDKMAN_LEGACY_API","RUBY_HOME","LSCOLORS","_system_type","_system_version","SDKMAN_PLATFORM","CLICOLOR","USER","CLASSPATH","rvm_stored_umask","SSH_AUTH_SOCK","GEM_PATH","HOME"],"source":{"$ref":"$.autowireCapableBeanFactory.singletonMutex.systemEnvironment"}}],"systemEnvironment":{"$ref":"$.autowireCapableBeanFactory.singletonMutex.systemEnvironment"},"systemProperties":{"$ref":"$.autowireCapableBeanFactory.singletonMutex.environment.null.source"}},"systemProperties":{"$ref":"$.autowireCapableBeanFactory.singletonMutex.environment.null.source"},"helloDao":{},"messageSource":{}},"singletonNames":["environment","systemProperties","systemEnvironment","messageSource","applicationEventMulticaster","helloDao","helloService"],"typeConverter":{}},"beanDefinitionCount":2,"beanDefinitionNames":["helloDao","helloService"],"beanFactory":{"$ref":"$.autowireCapableBeanFactory"},"beanFactoryPostProcessors":[],"displayName":"org.springframework.context.support.ClassPathXmlApplicationContext@2e0fa5d3","environment":{"$ref":"$.autowireCapableBeanFactory.singletonMutex.environment"},"id":"org.springframework.context.support.ClassPathXmlApplicationContext@2e0fa5d3","protocolResolvers":[],"running":false,"startupDate":1574817896085}
/*
* 提示：该行代码过长，系统自动注释不进行高亮。一键复制会移除系统注释
* 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*/
/*
* 提示：该行代码过长，系统自动注释不进行高亮。一键复制会移除系统注释
* 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*/
setApplicationContext:{"active":true,"applicationListeners":[],"applicationName":"","autowireCapableBeanFactory":{"accessControlContext":{},"allowBeanDefinitionOverriding":true,"allowEagerClassLoading":true,"autowireCandidateResolver":{},"beanDefinitionCount":2,"beanDefinitionNames":["helloDao","helloService"],"beanExpressionResolver":{},"beanNamesIterator":["helloDao","helloService","environment","systemProperties","systemEnvironment","messageSource","applicationEventMulticaster"],"beanPostProcessorCount":3,"beanPostProcessors":[{},{},{}],"cacheBeanMetadata":true,"configurationFrozen":true,"customEditors":{},"propertyEditorRegistrars":[{}],"registeredScopeNames":[],"serializationId":"org.springframework.context.support.ClassPathXmlApplicationContext@2e0fa5d3","singletonCount":7,"singletonMutex":{"systemEnvironment":{"IRBRC":"/Users/jack/.rvm/rubies/ruby-2.3.0/.irbrc","PATH":"...,"HOME":"/Users/jack"},"applicationEventMulticaster":{},"environment":{"activeProfiles":[],"conversionService":{},"defaultProfiles":["default"],"propertySources":[{"name":"systemProperties","propertyNames":["java.runtime.name","sun.boot.library.path","java.vm.version","gopherProxySet","java.vm.vendor","java.vendor.url","path.separator","java.vm.name","file.encoding.pkg","user.country","sun.java.launcher","sun.os.patch.level","java.vm.specification.name","user.dir","java.runtime.version","java.awt.graphicsenv","java.endorsed.dirs","os.arch","java.io.tmpdir","line.separator","java.vm.specification.vendor","os.name","sun.jnu.encoding","java.library.path","java.specification.name","java.class.version","sun.management.compiler","os.version","user.home","user.timezone","java.awt.printerjob","file.encoding",...Corporation","file.separator":"/","java.vendor.url.bug":"http://bugreport.sun.com/bugreport/","sun.io.unicode.encoding":"UnicodeBig","sun.cpu.endian":"little","sun.cpu.isalist":""}},{"name":"systemEnvironment","propertyNames":["IRBRC","PATH","SDKMAN_VERSION","GREP_OPTIONS","GRAILS_HOME","ANDROID_HOME","rvm_loaded_flag","JAVA9_HOME","MAVEN_HOME","JAVA_MAIN_CLASS_24435","SDKMAN_DIR","LOGNAME","rvm_version","PWD","SPRINGBOOT_HOME","Python","rvm_user_install_flag","SHELL","SPRING_BOOT_HOME","MY_RUBY_HOME","GEM_HOME","VERSIONER_PYTHON_PREFER_32_BIT","TMPDIR","rvm_path","XPC_FLAGS","RUBY_VERSION","_system_name","__CF_USER_TEXT_ENCODING","Apple_PubSub_Socket_Render","LC_CTYPE","SDKMAN_CURRENT_API","_system_arch","rvm_bin_path","GRAPHIZ_HOME","KOTLIN_HOME","JAVA_HOME","TERM","rvm_prefix","GRADLE_HOME","ANT_HOME","GROOVY_HOME","VERSIONER_PYTHON_VERSION","XPC_SERVICE_NAME","NODE_PATH","SCALA_HOME","SDKMAN_CANDIDATES_DIR","SDKMAN_LEGACY_API","RUBY_HOME","LSCOLORS","_system_type","_system_version","SDKMAN_PLATFORM","CLICOLOR","USER","CLASSPATH","rvm_stored_umask","SSH_AUTH_SOCK","GEM_PATH","HOME"],"source":{"$ref":"$.autowireCapableBeanFactory.singletonMutex.systemEnvironment"}}],"systemEnvironment":{"$ref":"$.autowireCapableBeanFactory.singletonMutex.systemEnvironment"},"systemProperties":{"$ref":"$.autowireCapableBeanFactory.singletonMutex.environment.null.source"}},"systemProperties":{"$ref":"$.autowireCapableBeanFactory.singletonMutex.environment.null.source"},"helloDao":{},"messageSource":{}},"singletonNames":["environment","systemProperties","systemEnvironment","messageSource","applicationEventMulticaster","helloDao","helloService"],"typeConverter":{}},"beanDefinitionCount":2,"beanDefinitionNames":["helloDao","helloService"],"beanFactory":{"$ref":"$.autowireCapableBeanFactory"},"beanFactoryPostProcessors":[],"displayName":"org.springframework.context.support.ClassPathXmlApplicationContext@2e0fa5d3","environment":{"$ref":"$.autowireCapableBeanFactory.singletonMutex.environment"},"id":"org.springframework.context.support.ClassPathXmlApplicationContext@2e0fa5d3","protocolResolvers":[],"running":false,"startupDate":1574817896085}
org.springframework.context.support.ClassPathXmlApplicationContext@2e0fa5d3, started on Wed Nov 27 09:24:56 CST 2019
com.light.sword.service.HelloServiceImpl@38364841
Hello,Jack, now is:Wed Nov 27 09:24:56 CST 2019
Hello,$Jobs, now is:Wed Nov 27 09:24:56 CST 2019从上面日志中各个对象的数据结构,我们可以看到关于 Spring 框架的所有秘密:
setBeanName
/**
* Set the name of the bean in the bean factory that created this bean.
* <p>Invoked after population of normal bean properties but before an
* init callback such as {@link InitializingBean#afterPropertiesSet()}
* or a custom init-method.
*
* @param name the name of the bean in the factory.
* Note that this name is the actual bean name used in the factory, which may
* differ from the originally specified name: in particular for inner bean
* names, the actual bean name might have been made unique through appending
* "#..." suffixes. Use the {@link BeanFactoryUtils#originalBeanName(String)}
* method to extract the original bean name (without suffix), if desired.
*/
@Override
public void setBeanName(String name) {
print("setBeanName:");
printlnJson(name);
}setBeanClassLoader
/**
* Callback that supplies the bean {@link ClassLoader class loader} to
* a bean instance.
* <p>Invoked <i>after</i> the population of normal bean properties but
* <i>before</i> an initialization callback such as
* {@link InitializingBean InitializingBean's}
* {@link InitializingBean#afterPropertiesSet()}
* method or a custom init-method.
*
* @param classLoader the owning class loader
*/
@Override
public void setBeanClassLoader(ClassLoader classLoader) {
print("setBeanClassLoader:");
printlnJson(classLoader);
}{
"uRLs":[
"file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/charsets.jar",
"file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/deploy.jar",
"file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext/cldrdata.jar",
"file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext/dnsns.jar",
"file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext/jfxrt.jar",
"file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext/localedata.jar",
"file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext/nashorn.jar",
"file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext/sunec.jar",
"file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext/sunjce_provider.jar",
"file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext/sunpkcs11.jar",
"file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext/zipfs.jar",
"file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/javaws.jar",
"file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/jce.jar",
"file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/jfr.jar",
"file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/jfxswt.jar",
"file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/jsse.jar",
"file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/management-agent.jar",
"file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/plugin.jar",
"file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/resources.jar",
"file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/rt.jar",
"file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/lib/ant-javafx.jar",
"file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/lib/dt.jar",
"file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/lib/javafx-mx.jar",
"file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/lib/jconsole.jar",
"file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/lib/packager.jar",
"file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/lib/sa-jdi.jar",
"file:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/lib/tools.jar",
"file:/Users/jack/architect/springdemo/target/classes/",
"file:/Users/jack/.m2/repository/org/springframework/spring-core/5.2.1.RELEASE/spring-core-5.2.1.RELEASE.jar",
"file:/Users/jack/.m2/repository/org/springframework/spring-jcl/5.2.1.RELEASE/spring-jcl-5.2.1.RELEASE.jar",
"file:/Users/jack/.m2/repository/org/springframework/spring-beans/5.2.1.RELEASE/spring-beans-5.2.1.RELEASE.jar",
"file:/Users/jack/.m2/repository/org/springframework/spring-context/5.2.1.RELEASE/spring-context-5.2.1.RELEASE.jar",
"file:/Users/jack/.m2/repository/org/springframework/spring-aop/5.2.1.RELEASE/spring-aop-5.2.1.RELEASE.jar",
"file:/Users/jack/.m2/repository/org/springframework/spring-expression/5.2.1.RELEASE/spring-expression-5.2.1.RELEASE.jar",
"file:/Users/jack/.m2/repository/com/alibaba/fastjson/1.2.60/fastjson-1.2.60.jar",
"file:/Applications/IntelliJ%20IDEA.app/Contents/lib/idea_rt.jar"
]
}setBeanFactory
/**
* Callback that supplies the owning factory to a bean instance.
* <p>Invoked after the population of normal bean properties
* but before an initialization callback such as
* {@link InitializingBean#afterPropertiesSet()} or a custom init-method.
*
* @param beanFactory owning BeanFactory (never {@code null}).
* The bean can immediately call methods on the factory.
* @throws BeansException in case of initialization errors
* @see BeanInitializationException
*/
@Override
public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
print("setBeanFactory:");
printlnJson(beanFactory);
}{
"accessControlContext":{
},
"allowBeanDefinitionOverriding":true,
"allowEagerClassLoading":true,
"autowireCandidateResolver":{
},
"beanDefinitionCount":2,
"beanDefinitionNames":[
"helloDao",
"helloService"
],
"beanExpressionResolver":{
},
"beanNamesIterator":[
"helloDao",
"helloService",
"environment",
"systemProperties",
"systemEnvironment",
"messageSource",
"applicationEventMulticaster"
],
"beanPostProcessorCount":3,
"beanPostProcessors":[
{
},
{
},
{
}
],
"cacheBeanMetadata":true,
"configurationFrozen":true,
"customEditors":{
},
"propertyEditorRegistrars":[
{
}
],
"registeredScopeNames":[
],
"serializationId":"org.springframework.context.support.ClassPathXmlApplicationContext@2e0fa5d3",
"singletonCount":7,
"singletonMutex":{
"systemEnvironment":{
"IRBRC":"/Users/jack/.rvm/rubies/ruby-2.3.0/.irbrc",
"PATH":"/opt/local/bin:/opt/local/sbin:/Library/Frameworks/Python.framework/Versions/3.6/bin:/Users/jack/.cargo/bin:/Library/Frameworks/Python.framework/Versions/3.6/bin:/Users/jack/.yarn/bin:/Users/jack/.config/yarn/global/node_modules/.bin:/Users/jack/.rvm/gems/ruby-2.3.0/bin:/Users/jack/.rvm/gems/ruby-2.3.0@global/bin:/Users/jack/.rvm/rubies/ruby-2.3.0/bin:/Users/jack/.sdkman/candidates/springboot/current/bin:/Users/jack/.sdkman/candidates/groovy/current/bin:.:.:/Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/bin:/usr/bin:/usr/sbin:/bin:/sbin:/usr/X11R6/bin:/usr/X11/bin:/usr/local/bin:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/bin:/Library/Java/JavaVirtualMachines/jdk-9.jdk/Contents/Home/bin:/Users/jack/soft/apache-maven-3.3.9/bin:/Users/jack/soft/scala-2.12.2/bin:/bin:/Users/jack/soft/gradle-4.10.2/bin:/Users/jack/Library/Android/sdk/bin:/Users/jack/Library/Android/sdk/tools:/Users/jack/Library/Android/sdk/platform-tools:/Users/jack/study/clojure/:/Users/jack/.rvm/rubies/ruby-2.3.0/bin:/Users/jack/soft/mytools:/Users/jack/.rvm/bin:/Users/jack/Downloads/phantomjs-2.1.1-macosx/bin:/Users/jack/soft/mongodb-osx-x86_64-3.4.2/bin:/Users/jack/soft/spring-1.5.2.RELEASE/bin:/Users/jack/soft/grails-3.2.8/bin:/Library/Frameworks/Python.framework/Versions/3.6/bin:/Users/jack/soft/kotlinc/bin:/Users/jack/soft/apache-ant-1.10.5/bin:/Users/jack/soft/spring-2.0.0.BUILD-SNAPSHOT/bin:/Users/jack/soft/apache-ant-1.10.5/bin:/Users/jack/soft:/usr/local/Cellar/graphviz/2.42.2/bin:/Users/jack/.nowa-gui/installation/node_modules/.bin:/Applications/NowaGUI.app/Contents/Resources/app/nodes:/Applications/NowaGUI.app/Contents/Resources/app/node_modules/.bin",
"SDKMAN_VERSION":"5.5.9+231",
"GREP_OPTIONS":"--color=auto",
"GRAILS_HOME":"/Users/jack/soft/grails-3.2.8",
"ANDROID_HOME":"/Users/jack/Library/Android/sdk",
"rvm_loaded_flag":"1",
"JAVA9_HOME":"/Library/Java/JavaVirtualMachines/jdk-9.jdk/Contents/Home",
"MAVEN_HOME":"/Users/jack/soft/apache-maven-3.3.9",
"JAVA_MAIN_CLASS_24435":"com.light.sword.App",
"SDKMAN_DIR":"/Users/jack/.sdkman",
"LOGNAME":"jack",
"rvm_version":"1.27.0 (latest)",
"PWD":"/Users/jack/architect/springdemo",
"SPRINGBOOT_HOME":"/Users/jack/.sdkman/candidates/springboot/current",
"Python":"/Library/Frameworks/Python.framework/Versions/3.6",
"rvm_user_install_flag":"1",
"SHELL":"/bin/bash",
"SPRING_BOOT_HOME":"/Users/jack/soft/spring-2.0.0.BUILD-SNAPSHOT",
"MY_RUBY_HOME":"/Users/jack/.rvm/rubies/ruby-2.3.0",
"GEM_HOME":"/Users/jack/.rvm/gems/ruby-2.3.0",
"VERSIONER_PYTHON_PREFER_32_BIT":"no",
"TMPDIR":"/var/folders/q5/kvt7_nsd6ngdw5qry4d99xv00000gn/T/",
"rvm_path":"/Users/jack/.rvm",
"XPC_FLAGS":"0x0",
"RUBY_VERSION":"ruby-2.3.0",
"_system_name":"OSX",
"__CF_USER_TEXT_ENCODING":"0x1F5:0x19:0x34",
"Apple_PubSub_Socket_Render":"/private/tmp/com.apple.launchd.HGU9K7UaLt/Render",
"LC_CTYPE":"zh_CN.UTF-8",
"SDKMAN_CURRENT_API":"[https://api.sdkman.io/2](https://api.sdkman.io/2)",
"_system_arch":"x86_64",
"rvm_bin_path":"/Users/jack/.rvm/bin",
"GRAPHIZ_HOME":"/usr/local/Cellar/graphviz/2.42.2",
"KOTLIN_HOME":"/Users/jack/soft/kotlinc",
"JAVA_HOME":"/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home",
"TERM":"xterm-color",
"rvm_prefix":"/Users/jack",
"GRADLE_HOME":"/Users/jack/soft/gradle-4.10.2",
"ANT_HOME":"/Users/jack/soft/apache-ant-1.10.5",
"GROOVY_HOME":"/Users/jack/.sdkman/candidates/groovy/current",
"VERSIONER_PYTHON_VERSION":"2.7",
"XPC_SERVICE_NAME":"0",
"NODE_PATH":"/usr/local/lib/node_modules",
"SCALA_HOME":"/Users/jack/soft/scala-2.12.2",
"SDKMAN_CANDIDATES_DIR":"/Users/jack/.sdkman/candidates",
"SDKMAN_LEGACY_API":"[https://api.sdkman.io/1](https://api.sdkman.io/1)",
"RUBY_HOME":"/Users/jack/.rvm/rubies/ruby-2.3.0",
"LSCOLORS":"GxFxCxDxBxegedabagaced",
"_system_type":"Darwin",
"_system_version":"10.14",
"SDKMAN_PLATFORM":"Darwin",
"CLICOLOR":"0",
"USER":"jack",
"CLASSPATH":".:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/lib/tools.jar",
"rvm_stored_umask":"0022",
"SSH_AUTH_SOCK":"/private/tmp/com.apple.launchd.sYjE96iqUz/Listeners",
"GEM_PATH":"/Users/jack/.rvm/gems/ruby-2.3.0:/Users/jack/.rvm/gems/ruby-2.3.0@global",
"HOME":"/Users/jack"
},
"applicationEventMulticaster":{
},
"environment":{
"activeProfiles":[
],
"conversionService":{
},
"defaultProfiles":[
"default"
],
"propertySources":[
{
"name":"systemProperties",
"propertyNames":[
"java.runtime.name",
"sun.boot.library.path",
"java.vm.version",
"gopherProxySet",
"java.vm.vendor",
"java.vendor.url",
"path.separator",
"java.vm.name",
"file.encoding.pkg",
"user.country",
"sun.java.launcher",
"sun.os.patch.level",
"java.vm.specification.name",
"user.dir",
"java.runtime.version",
"java.awt.graphicsenv",
"java.endorsed.dirs",
"os.arch",
"java.io.tmpdir",
"line.separator",
"java.vm.specification.vendor",
"os.name",
"sun.jnu.encoding",
"java.library.path",
"java.specification.name",
"java.class.version",
"sun.management.compiler",
"os.version",
"user.home",
"user.timezone",
"java.awt.printerjob",
"file.encoding",
"java.specification.version",
"java.class.path",
"user.name",
"java.vm.specification.version",
"sun.java.command",
"java.home",
"sun.arch.data.model",
"user.language",
"java.specification.vendor",
"awt.toolkit",
"java.vm.info",
"java.version",
"java.ext.dirs",
"sun.boot.class.path",
"java.vendor",
"file.separator",
"java.vendor.url.bug",
"sun.io.unicode.encoding",
"sun.cpu.endian",
"sun.cpu.isalist"
],
"source":{
"java.runtime.name":"Java(TM) SE Runtime Environment",
"sun.boot.library.path":"/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib",
"java.vm.version":"25.40-b25",
"gopherProxySet":"false",
"java.vm.vendor":"Oracle Corporation",
"java.vendor.url":"[http://java.oracle.com/](http://java.oracle.com/)",
"path.separator":":",
"java.vm.name":"Java HotSpot(TM) 64-Bit Server VM",
"file.encoding.pkg":"sun.io",
"user.country":"CN",
"sun.java.launcher":"SUN_STANDARD",
"sun.os.patch.level":"unknown",
"java.vm.specification.name":"Java Virtual Machine Specification",
"user.dir":"/Users/jack/architect/springdemo",
"java.runtime.version":"1.8.0_40-b27",
"java.awt.graphicsenv":"sun.awt.CGraphicsEnvironment",
"java.endorsed.dirs":"/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/endorsed",
"os.arch":"x86_64",
"java.io.tmpdir":"/var/folders/q5/kvt7_nsd6ngdw5qry4d99xv00000gn/T/",
"line.separator":" ",
"java.vm.specification.vendor":"Oracle Corporation",
"os.name":"Mac OS X",
"sun.jnu.encoding":"UTF-8",
"java.library.path":"/Users/jack/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.",
"java.specification.name":"Java Platform API Specification",
"java.class.version":"52.0",
"sun.management.compiler":"HotSpot 64-Bit Tiered Compilers",
"os.version":"10.14.5",
"user.home":"/Users/jack",
"user.timezone":"Asia/Shanghai",
"java.awt.printerjob":"sun.lwawt.macosx.CPrinterJob",
"file.encoding":"UTF-8",
"java.specification.version":"1.8",
"java.class.path":"/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/lib/ant-javafx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/lib/javafx-mx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/lib/packager.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/lib/tools.jar:/Users/jack/architect/springdemo/target/classes:/Users/jack/.m2/repository/org/springframework/spring-core/5.2.1.RELEASE/spring-core-5.2.1.RELEASE.jar:/Users/jack/.m2/repository/org/springframework/spring-jcl/5.2.1.RELEASE/spring-jcl-5.2.1.RELEASE.jar:/Users/jack/.m2/repository/org/springframework/spring-beans/5.2.1.RELEASE/spring-beans-5.2.1.RELEASE.jar:/Users/jack/.m2/repository/org/springframework/spring-context/5.2.1.RELEASE/spring-context-5.2.1.RELEASE.jar:/Users/jack/.m2/repository/org/springframework/spring-aop/5.2.1.RELEASE/spring-aop-5.2.1.RELEASE.jar:/Users/jack/.m2/repository/org/springframework/spring-expression/5.2.1.RELEASE/spring-expression-5.2.1.RELEASE.jar:/Users/jack/.m2/repository/com/alibaba/fastjson/1.2.60/fastjson-1.2.60.jar:/Applications/IntelliJ IDEA.app/Contents/lib/idea_rt.jar",
"user.name":"jack",
"java.vm.specification.version":"1.8",
"sun.java.command":"com.light.sword.App",
"java.home":"/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre",
"sun.arch.data.model":"64",
"user.language":"zh",
"java.specification.vendor":"Oracle Corporation",
"awt.toolkit":"sun.lwawt.macosx.LWCToolkit",
"java.vm.info":"mixed mode",
"java.version":"1.8.0_40",
"java.ext.dirs":"/Users/jack/Library/Java/Extensions:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/ext:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java",
"sun.boot.class.path":"/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/sunrsasign.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_40/Contents/Home/jre/classes",
"java.vendor":"Oracle Corporation",
"file.separator":"/",
"java.vendor.url.bug":"[http://bugreport.sun.com/bugreport/](http://bugreport.sun.com/bugreport/)",
"sun.io.unicode.encoding":"UnicodeBig",
"sun.cpu.endian":"little",
"sun.cpu.isalist":""
}
},
{
"name":"systemEnvironment",
"propertyNames":[
"IRBRC",
"PATH",
"SDKMAN_VERSION",
"GREP_OPTIONS",
"GRAILS_HOME",
"ANDROID_HOME",
"rvm_loaded_flag",
"JAVA9_HOME",
"MAVEN_HOME",
"JAVA_MAIN_CLASS_24435",
"SDKMAN_DIR",
"LOGNAME",
"rvm_version",
"PWD",
"SPRINGBOOT_HOME",
"Python",
"rvm_user_install_flag",
"SHELL",
"SPRING_BOOT_HOME",
"MY_RUBY_HOME",
"GEM_HOME",
"VERSIONER_PYTHON_PREFER_32_BIT",
"TMPDIR",
"rvm_path",
"XPC_FLAGS",
"RUBY_VERSION",
"_system_name",
"__CF_USER_TEXT_ENCODING",
"Apple_PubSub_Socket_Render",
"LC_CTYPE",
"SDKMAN_CURRENT_API",
"_system_arch",
"rvm_bin_path",
"GRAPHIZ_HOME",
"KOTLIN_HOME",
"JAVA_HOME",
"TERM",
"rvm_prefix",
"GRADLE_HOME",
"ANT_HOME",
"GROOVY_HOME",
"VERSIONER_PYTHON_VERSION",
"XPC_SERVICE_NAME",
"NODE_PATH",
"SCALA_HOME",
"SDKMAN_CANDIDATES_DIR",
"SDKMAN_LEGACY_API",
"RUBY_HOME",
"LSCOLORS",
"_system_type",
"_system_version",
"SDKMAN_PLATFORM",
"CLICOLOR",
"USER",
"CLASSPATH",
"rvm_stored_umask",
"SSH_AUTH_SOCK",
"GEM_PATH",
"HOME"
],
"source":{
"$ref":"$.singletonMutex.systemEnvironment"
}
}
],
"systemEnvironment":{
"$ref":"$.singletonMutex.systemEnvironment"
},
"systemProperties":{
"$ref":"$.singletonMutex.environment.null.source"
}
},
"systemProperties":{
"$ref":"$.singletonMutex.environment.null.source"
},
"helloDao":{
},
"messageSource":{
}
},
"singletonNames":[
"environment",
"systemProperties",
"systemEnvironment",
"messageSource",
"applicationEventMulticaster",
"helloDao",
"helloService"
],
"typeConverter":{
}
}另外注意
DefaultListableBeanFactory cannot be cast to org.springframework.context.support.ClassPathXmlApplicationContext
public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
print("setBeanFactory:");
printlnJson(beanFactory);
String[] beanDefinitionNames = ((DefaultListableBeanFactory) beanFactory).getBeanDefinitionNames();
// DefaultListableBeanFactory cannot be cast to org.springframework.context.support.ClassPathXmlApplicationContext
// String[] beanDefinitionNames2 = ((ClassPathXmlApplicationContext) beanFactory).getBeanDefinitionNames();
printlnJson(beanDefinitionNames);
}本文参与 腾讯云自媒体分享计划，分享自作者个人站点/博客。
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